Audio · Audio
MP3 Converter
Convert supported audio files to MP3 in your browser with FFmpeg.
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290 tools found
Audio · Audio
Audio Converter
Convert supported audio files between MP3, WAV, OGG, and M4A.
Use toolAudio · Audio
Audio Compressor
Reduce audio file size by re-encoding to MP3 at a lower bitrate.
Use toolAudio · Audio
Audio Trimmer
Trim a selected section from supported audio files using FFmpeg in the browser.
Use toolAudio · Audio
Audio Speed Changer
Speed up or slow down audio between 0.5x and 2x.
Use toolAudio · Audio
Audio Volume Changer
Adjust audio volume percentage using FFmpeg in the browser.
Use toolAudio · Audio
Reverse Audio
Reverse supported audio files locally in your browser.
Use toolAudio · Audio
Stereo to Mono
Convert supported stereo audio files to mono.
Use toolAudio · Calculator
Audio File Size Calculator
Estimate audio file size from duration and bitrate.
Use toolAudio · Calculator
Audio Bitrate Calculator
Estimate bitrate from file size and duration, or file size from bitrate.
Use toolAudio · Calculator
Audio Duration Calculator
Estimate audio duration from file size and bitrate.
Use toolAudio · Calculator
WAV File Size Calculator
Estimate uncompressed PCM WAV size from sample rate, bit depth, channels, and duration.
Use toolAudio · Calculator
BPM Calculator
Calculate tempo from a number of beats over time.
Use toolAudio · Calculator
Tap BPM
Tap a button or keyboard key to estimate tempo from recent taps.
Use toolAudio · Calculator
BPM to Milliseconds
Convert BPM to milliseconds or milliseconds back to BPM for music timing.
Use toolAudio · Calculator
Delay Time Calculator
Calculate musical delay times from BPM.
Use toolAudio · Calculator
Beats to Time Calculator
Convert bars and beats into seconds at a chosen BPM.
Use toolAudio · Calculator
Reverb Pre-Delay Calculator
Find tempo-related pre-delay reference values.
Use toolAudio · Calculator
Note Frequency Calculator
Calculate a musical note frequency using equal temperament.
Use toolAudio · Calculator
Frequency to Note
Find the nearest musical note for a frequency in Hz.
Use toolAudio · Calculator
MIDI Note to Frequency
Convert MIDI note numbers into note names and frequencies.
Use toolAudio · Calculator
Music Interval Calculator
Find the interval and semitone distance between two notes.
Use toolAudio · Calculator
Music Transposition Calculator
Calculate the semitone difference between two keys.
Use toolAudio · Calculator
Capo Calculator
Find capo positions and chord shapes for a desired sounding key.
Use toolAudio · Audio
Metronome
Run a simple browser metronome with BPM, tap tempo, and accent options.
Use toolGIF · GIF
GIF Compressor
Reduce GIF size by lowering width and frame rate with FFmpeg.
Use toolGIF · GIF
GIF Resizer
Resize animated GIF width while preserving aspect ratio.
Use toolGIF · GIF
Images to GIF
Create an animated GIF from image frames in your browser.
Use toolGIF · GIF
GIF Frame Extractor
Extract PNG frames from an animated GIF.
Use toolGIF · GIF
GIF Frame Editor
Arrange image frames, remove frames, and export an animated GIF.
Use toolGIF · GIF
GIF Speed Changer
Speed up or slow down an animated GIF with FFmpeg.
Use toolGIF · GIF
Reverse GIF
Reverse animated GIF playback order in your browser.
Use toolGIF · Calculator
GIF File Size Calculator
Estimate GIF size from dimensions, frames, colors, and compression assumptions.
Use toolGIF · Calculator
GIF Frame Rate Calculator
Convert GIF frame count and duration into FPS and frame delay.
Use toolGIF · Calculator
GIF Duration Calculator
Calculate animation duration from GIF frames and frame delay.
Use toolGIF · Calculator
GIF Loop Duration Calculator
Estimate total playback time across repeated GIF loops.
Use toolGIF · Calculator
GIF Resize Calculator
Calculate proportional resized GIF dimensions and scale percentage.
Use toolGIF · Calculator
GIF Frame Count Calculator
Calculate how many frames a GIF needs from duration and FPS.
Use toolGIF · Calculator
GIF Speed Calculator
Estimate new GIF duration after a speed change.
Use toolGIF · Calculator
GIF Sprite Sheet Calculator
Plan sprite sheet dimensions from frame size, frame count, and columns.
Use toolPDF · PDF
PDF Merge
Combine multiple PDF files into one ordered document in your browser.
Use toolPDF · PDF
PDF Split
Extract selected PDF pages or create multiple split PDFs from page ranges.
Use toolPDF · PDF
Images to PDF
Turn JPG, PNG, WebP, GIF, or BMP images into a single PDF.
Use toolPDF · PDF
PDF to Images
Render PDF pages to PNG or JPG images and download them as a ZIP.
Use toolPDF · PDF
PDF Page Counter
Count pages and basic file details for a PDF without uploading it.
Use toolPDF · PDF
PDF Metadata Viewer
Inspect standard PDF metadata such as title, author, creator, producer, and dates.
Use toolPDF · PDF
PDF Page Size Checker
Check PDF page dimensions, orientation, and common paper size matches.
Use toolPDF · PDF
Remove PDF Metadata
Create a PDF copy with common document metadata fields cleared.
Use toolPDF · PDF
PDF Password Safety Checker
Check whether a PDF appears to use password protection or encryption markers.
Use toolPDF · PDF
Rotate PDF Pages
Rotate all PDF pages or selected page ranges by 90, 180, or 270 degrees.
Use toolConstruction & DIY · Calculator
Square Footage Calculator
Calculate square feet and square meters from length and width.
Use toolConstruction & DIY · Calculator
Room Area Calculator
Calculate room floor area and perimeter for flooring, trim, and paint planning.
Use toolConstruction & DIY · Calculator
Wall Area Calculator
Estimate gross and net wall area after optional door and window openings.
Use toolConstruction & DIY · Calculator
Ceiling Area Calculator
Calculate ceiling area from room length and width.
Use toolConstruction & DIY · Calculator
Tile Calculator
Estimate tile count from project area, tile dimensions, waste, and optional box size.
Use toolConstruction & DIY · Calculator
Flooring Calculator
Estimate flooring area, waste allowance, and optional packs needed.
Use toolConstruction & DIY · Calculator
Wallpaper Calculator
Estimate wallpaper rolls from wall area, roll dimensions, and waste.
Use toolConstruction & DIY · Calculator
Drywall Calculator
Estimate drywall sheet count from area, sheet size, and waste.
Use toolConstruction & DIY · Calculator
Concrete Calculator
Calculate concrete volume in cubic meters, cubic feet, and cubic yards.
Use toolConstruction & DIY · Calculator
Concrete Slab Calculator
Estimate concrete volume for slab projects from length, width, and thickness.
Use toolConstruction & DIY · Calculator
Cubic Yard Calculator
Convert length, width, and depth into cubic yards, cubic feet, and cubic meters.
Use toolConstruction & DIY · Calculator
Brick Calculator
Estimate brick quantity from wall area, brick size, mortar joint, and waste.
Use toolConstruction & DIY · Calculator
Paver Calculator
Estimate paver quantity from project area, paver dimensions, waste, and optional pack size.
Use toolConstruction & DIY · Calculator
Gravel Calculator
Estimate gravel volume from length, width, and depth.
Use toolConstruction & DIY · Calculator
Mulch Calculator
Estimate mulch volume and optional bag count from bed dimensions and depth.
Use toolConstruction & DIY · Calculator
Soil Calculator
Estimate soil volume for garden beds, raised beds, and topsoil projects.
Use toolConstruction & DIY · Calculator
Raised Bed Soil Calculator
Estimate soil volume for one or more raised garden beds with optional bag count.
Use toolConstruction & DIY · Calculator
Soil Mix Calculator
Calculate component volumes from a target soil volume and percentage mix.
Use toolConstruction & DIY · Calculator
Sod Calculator
Estimate sod rolls, slabs, or units from lawn area, unit coverage, and waste.
Use toolConstruction & DIY · Calculator
Gravel Driveway Calculator
Estimate gravel driveway volume and approximate weight from length, width, depth, and density.
Use toolConstruction & DIY · Calculator
Paver Sand Calculator
Estimate bedding sand volume and optional bag count for paver projects.
Use toolConstruction & DIY · Calculator
Fence Calculator
Estimate fence sections, panels, and posts from total length and spacing.
Use toolConstruction & DIY · Calculator
Decking Calculator
Estimate deck boards from deck dimensions, board width, board length, gap, and waste.
Use toolConstruction & DIY · Calculator
Deck Cost Calculator
Estimate deck material, waste, labor, fixed costs, and total project cost.
Use toolConstruction & DIY · Calculator
Deck Board Calculator
Estimate deck board rows, board count, linear feet, and waste-adjusted quantity.
Use toolConstruction & DIY · Calculator
Deck Joist Calculator
Estimate deck joist count and total joist length from deck dimensions and spacing.
Use toolConstruction & DIY · Calculator
Deck Railing Calculator
Estimate railing sections, posts, and net railing length from spacing and openings.
Use toolConstruction & DIY · Calculator
Roofing Calculator
Estimate roof area, pitch-adjusted area, waste, and roofing squares.
Use toolConstruction & DIY · Calculator
Roof Area Calculator
Estimate simple roof surface area from footprint dimensions, roof pitch, sections, and waste.
Use toolConstruction & DIY · Calculator
Roof Shingle Calculator
Estimate shingle bundles and roofing squares from roof area, bundle coverage, and waste.
Use toolConstruction & DIY · Calculator
Roof Waste Calculator
Add an editable roof waste percentage to a measured roof area.
Use toolConstruction & DIY · Calculator
Roof Pitch Calculator
Calculate roof pitch ratio, degrees, and percentage slope from rise and run.
Use toolConstruction & DIY · Calculator
Stair Calculator
Estimate riser count, actual riser height, tread count, and approximate run.
Use toolConstruction & DIY · Calculator
Board Feet Calculator
Calculate board feet from lumber thickness, width, length, and quantity.
Use toolConstruction & DIY · Calculator
Stud Calculator
Estimate wall stud count from wall length, stud spacing, and extra studs.
Use toolConstruction & DIY · Calculator
Metal Stud Wall Calculator
Estimate metal stud count, vertical stud length, and top/bottom track length.
Use toolConstruction & DIY · Calculator
Baseboard Calculator
Estimate linear trim length from perimeter, door openings, and waste.
Use toolConstruction & DIY · Calculator
Material Waste Calculator
Add an editable waste percentage to area, length, volume, or count quantities.
Use toolConstruction & DIY · Calculator
Material Cost Calculator
Estimate material cost from quantity, price per unit, waste, and optional tax.
Use toolConstruction & DIY · Calculator
Concrete Bag Calculator
Estimate concrete bag count from target volume, bag yield, and waste.
Use toolConstruction & DIY · Calculator
Concrete Footing Calculator
Estimate concrete volume for simple rectangular or round footings.
Use toolConstruction & DIY · Calculator
Post Hole Concrete Calculator
Estimate concrete volume for fence, deck, or sign post holes.
Use toolConstruction & DIY · Calculator
Insulation Calculator
Estimate insulation packs from area, product coverage, and waste.
Use toolConstruction & DIY · Calculator
Material + Labor Cost Calculator
Estimate project cost from material quantity, unit cost, labor hours, hourly rate, waste, overhead, and tax.
Use toolMath · Calculator
Fraction Calculator
Add, subtract, multiply, and divide fractions with simplified results.
Use toolMath · Calculator
Fraction Simplifier
Reduce a fraction to lowest terms and see the GCD used.
Use toolMath · Calculator
Decimal to Fraction
Convert a decimal value into a simplified fraction.
Use toolMath · Calculator
Fraction to Decimal
Convert a fraction to a decimal and percentage.
Use toolMath · Calculator
Mixed Number Calculator
Convert mixed numbers to improper fractions and back.
Use toolMath · Calculator
Ratio Calculator
Simplify ratios and find equivalent ratio values.
Use toolMath · Calculator
Proportion Calculator
Solve a missing value in a / b = c / x.
Use toolMath · Calculator
Average Calculator
Calculate the mean, count, and sum from a list of numbers.
Use toolMath · Calculator
Weighted Average Calculator
Calculate a weighted mean from value and weight rows.
Use toolMath · Calculator
Percentage Difference Calculator
Calculate percentage difference between two values.
Use toolMath · Calculator
GCD Calculator
Find the greatest common divisor of two or more integers.
Use toolMath · Calculator
LCM Calculator
Find the least common multiple of two or more integers.
Use toolMath · Calculator
Prime Number Checker
Check whether an integer is prime and see a factor if it is not.
Use toolMath · Calculator
Prime Factorization Calculator
Break an integer into prime factors.
Use toolMath · Calculator
Factorial Calculator
Calculate n! exactly for browser-safe non-negative integers.
Use toolMath · Calculator
Modulo Calculator
Calculate quotient and remainder from division.
Use toolMath · Calculator
Exponent Calculator
Calculate powers with positive, zero, or negative exponents.
Use toolMath · Calculator
Square Root Calculator
Calculate the square root of a non-negative number.
Use toolMath · Calculator
Scientific Notation Converter
Convert between standard decimal form and scientific notation.
Use toolMath · Calculator
Rounding Calculator
Round numbers by decimal places or significant figures.
Use toolMath · Calculator
Linear Equation Solver
Solve ax + b = c for x.
Use toolMath · Calculator
Quadratic Formula Calculator
Calculate discriminant, roots, and vertex basics for ax² + bx + c = 0.
Use toolMath · Calculator
Slope Calculator
Calculate slope from two points.
Use toolMath · Calculator
Midpoint Calculator
Find the midpoint between two coordinate points.
Use toolMath · Calculator
Distance Between Points Calculator
Calculate Euclidean distance between two 2D points.
Use toolMath · Calculator
Pythagorean Theorem Calculator
Solve a missing side of a right triangle.
Use toolMath · Calculator
Triangle Area Calculator
Calculate triangle area using base and height or Heron's formula.
Use toolMath · Calculator
Circle Calculator
Calculate circle area, circumference, radius, and diameter.
Use toolMath · Calculator
Rectangle Calculator
Calculate rectangle area, perimeter, and diagonal.
Use toolMath · Calculator
Trapezoid Area Calculator
Calculate trapezoid area from two bases and height.
Use toolMath · Calculator
Cylinder Volume Calculator
Calculate cylinder volume and surface area.
Use toolMath · Calculator
Sphere Calculator
Calculate sphere volume and surface area.
Use toolMath · Calculator
Cone Volume Calculator
Calculate cone volume and surface area.
Use toolMath · Calculator
Cube Calculator
Calculate cube volume, surface area, and space diagonal.
Use toolPlanner · Planner
Packing List Builder
Create, customize, save, export, and share a practical packing checklist.
Use toolPlanner · Planner
Moving Checklist
Plan a move with editable tasks, sections, notes, progress, export, and sharing.
Use toolPlanner · Planner
Wedding Checklist
Organize wedding planning tasks with an editable timeline checklist.
Use toolPlanner · Planner
Camping Checklist
Build a camping checklist with customizable gear sections and trip context.
Use toolPlanner · Planner
Baby Preparation Checklist
Prepare a flexible baby checklist with practical editable sections.
Use toolPlanner · Planner
Cleaning Checklist
Create a quick, weekly, or deep cleaning checklist.
Use toolPlanner · Planner
Home Maintenance Checklist
Plan recurring home maintenance checks by month, season, and year.
Use toolPlanner · Planner
Monthly Budget Planner
Plan monthly income, expenses, actual spending, and remaining money.
Use toolPlanner · Planner
Travel Budget Planner
Estimate trip costs by category, traveler, and day.
Use toolPlanner · Planner
Wedding Budget Planner
Plan wedding budget categories, actual spending, and remaining budget.
Use toolPlanner · Planner
Party Budget Planner
Plan event costs and estimate cost per guest.
Use toolPlanner · Planner
Game Development Budget Planner
Plan game development budget categories from user-entered values.
Use toolWork · Calculator
Salary to Hourly Calculator
Convert an annual salary into an hourly rate using your work schedule.
Use toolWork · Calculator
Freelance Rate Calculator
Estimate the hourly freelance rate needed to reach your income goal.
Use toolMoney · Calculator
Savings Goal Calculator
Plan monthly savings needed to reach a goal by a target date.
Use toolWork · Calculator
Hourly to Salary Calculator
Convert hourly pay into weekly, monthly, and annual income estimates.
Use toolWork · Calculator
Pay Raise Calculator
Calculate a salary or pay increase from a percentage or fixed raise.
Use toolWork · Calculator
Overtime Calculator
Estimate regular pay, overtime pay, total earnings, and effective hourly rate.
Use toolWork · Calculator
Project Rate Calculator
Estimate a freelance project price from hours, rate, expenses, and buffer.
Use toolMoney · Calculator
Break-Even Calculator
Calculate the units and revenue needed to break even.
Use toolEveryday · Calculator
Percentage Calculator
Solve common percentage questions in one quick calculator.
Use toolEveryday · Calculator
Percentage Increase Calculator
Calculate percentage increase or decrease between two values.
Use toolEveryday · Calculator
Tip Calculator
Calculate tip amount, total bill, and cost per person.
Use toolEveryday · Calculator
Split Bill Calculator
Split a bill between people with optional tip and tax.
Use toolMoney · Calculator
Loan Payment Calculator
Estimate monthly loan payments, total repayment, and interest.
Use toolMoney · Calculator
Compound Interest Calculator
Estimate future value with compounding and optional monthly contributions.
Use toolMoney · Calculator
Simple Interest Calculator
Calculate simple interest and total amount from principal, rate, and time.
Use toolMoney · Calculator
Discount Calculator
Calculate savings, tax, and final price after a discount.
Use toolEveryday · Calculator
Fuel Cost Calculator
Estimate fuel required and trip fuel cost using metric or imperial units.
Use toolHome · Calculator
Electricity Cost Calculator
Estimate appliance electricity usage and cost from watts and hours.
Use toolBusiness · Calculator
Profit Margin Calculator
Calculate profit and profit margin from revenue and cost.
Use toolBusiness · Calculator
Markup Calculator
Calculate markup, selling price, gross profit, and margin.
Use toolBusiness · Calculator
Gross Profit Calculator
Calculate gross profit and gross margin from revenue and COGS.
Use toolBusiness · Calculator
Net Profit Calculator
Estimate simplified net profit and net margin.
Use toolBusiness · Calculator
Revenue Growth Calculator
Calculate revenue change and growth percentage.
Use toolBusiness · Calculator
Revenue Projection Calculator
Project future revenue across monthly, quarterly, or yearly planning periods.
Use toolBusiness · Calculator
Profit Growth Calculator
Calculate profit increase or decline between two periods.
Use toolBusiness · Calculator
Incremental Revenue Calculator
Calculate incremental revenue from a baseline and new revenue scenario.
Use toolBusiness · Calculator
CAGR Calculator
Calculate compound annual growth rate from start, end, and years.
Use toolBusiness · Calculator
Business ROI Calculator
Calculate net return and ROI percentage for a business investment.
Use toolBusiness · Calculator
CAC Calculator
Calculate customer acquisition cost from sales and marketing spend.
Use toolBusiness · Calculator
Customer LTV Calculator
Estimate customer lifetime value with transparent input assumptions.
Use toolBusiness · Calculator
LTV:CAC Ratio Calculator
Compare customer lifetime value with acquisition cost.
Use toolBusiness · Calculator
Conversion Rate Calculator
Calculate conversion rate for visitors, leads, signups, or sales.
Use toolBusiness · Calculator
Churn Rate Calculator
Calculate customer churn percentage from starting customers and losses.
Use toolBusiness · Calculator
Customer Retention Rate Calculator
Calculate business customer retention from start, end, and new customers.
Use toolBusiness · Calculator
MRR Calculator
Calculate monthly recurring revenue from plan customers and prices.
Use toolBusiness · Calculator
ARR Calculator
Calculate annual recurring revenue from MRR.
Use toolBusiness · Calculator
ARPU Calculator
Calculate average revenue per user or customer.
Use toolBusiness · Calculator
AOV Calculator
Calculate average order value from revenue and orders.
Use toolBusiness · Calculator
Contribution Margin Calculator
Calculate contribution margin and contribution margin percentage.
Use toolBusiness · Calculator
CAC Payback Period Calculator
Calculate how many months it takes to recover CAC.
Use toolBusiness · Calculator
Monthly Growth Rate Calculator
Calculate month-over-month growth percentage.
Use toolBusiness · Calculator
YoY Growth Calculator
Calculate year-over-year growth percentage.
Use toolBusiness · Calculator
Rule of 40 Calculator
Calculate the simplified SaaS Rule of 40 sum.
Use toolBusiness · Calculator
Burn Multiple Calculator
Calculate burn multiple from net burn and net new ARR.
Use toolGaming · Calculator
Steam Revenue Calculator
Estimate gross and net revenue from Steam game sales.
Use toolGaming · Calculator
Steam Review Calculator
Calculate positive review percentage and reviews needed for a target rating.
Use toolGaming · Calculator
Steam Wishlist to Sales Calculator
Estimate launch sales and developer revenue from wishlist conversion assumptions.
Use toolGaming · Calculator
Steam Break-Even Calculator
Estimate how many Steam copies you need to sell to cover game costs.
Use toolGaming · Calculator
Game Price & Discount Calculator
Compare discounted game price, revenue per copy, and sales needed to offset a discount.
Use toolGaming · Calculator
Publisher Revenue Split Calculator
Estimate platform, publisher, recoupment, and developer revenue splits.
Use toolGaming · Calculator
Game ROI Calculator
Estimate game investment, net return, ROI percentage, and break-even status.
Use toolGaming · Calculator
Game Dev Burn Rate Calculator
Estimate monthly burn, net burn, runway, and cash depletion timing for a game studio.
Use toolGaming · Calculator
Game Retention Calculator
Calculate D1, D3, D7, D14, and D30 retention from raw cohort data.
Use toolGaming · Calculator
ARPDAU Calculator
Calculate average revenue per daily active user from IAP, ads, and subscriptions.
Use toolGaming · Calculator
Game CPI / ROAS Calculator
Calculate CPI, ROAS, profit or loss, and checkpoint ROAS for game user acquisition.
Use toolGaming · Calculator
Drop Rate Calculator
Calculate probability of at least one drop across repeated attempts.
Use toolGaming · Calculator
XP Curve Calculator
Generate linear, power, or exponential XP curves for game progression design.
Use toolGaming · Calculator
Steam Fee Calculator
Estimate Steam platform fees, refunds, deductions, and net developer revenue.
Use toolGaming · Calculator
Steam Marketplace Profit Calculator
Estimate item resale proceeds after marketplace fees and purchase cost.
Use toolGaming · Calculator
Steam Sales Estimator
Estimate Steam unit sales and net revenue from review-count assumptions.
Use toolGaming · Calculator
Game Revenue Projection Calculator
Project game revenue across multiple periods using a simple growth or decline rate.
Use toolGaming · Calculator
DAU / MAU Stickiness Calculator
Calculate product stickiness from daily and monthly active users.
Use toolGaming · Calculator
ARPPU Calculator
Calculate average revenue per paying user for game monetization.
Use toolGaming · Calculator
Payer Conversion Calculator
Calculate the percentage of active users who become paying users.
Use toolGaming · Calculator
Game Ad Revenue Calculator
Estimate daily and monthly game ad revenue from DAU, impressions, fill rate, and eCPM.
Use toolGaming · Calculator
Game LTV Calculator
Estimate simple game lifetime value from ARPDAU and modeled lifetime days.
Use toolGaming · Calculator
Retention Drop-Off Calculator
Compare two retention checkpoints and calculate percentage-point and relative drop-off.
Use toolGaming · Calculator
Game Session Metrics Calculator
Calculate sessions per user, average session length, and playtime per user.
Use toolGaming · Calculator
Game Unit Economics Calculator
Estimate user LTV, contribution, LTV:CAC, and break-even CPI for a game.
Use toolGaming · Calculator
Game User Acquisition Budget Calculator
Estimate installs, payers, and payer revenue from a game UA budget.
Use toolGaming · Calculator
Pity System Calculator
Model a simple guaranteed-drop pity system for loot and gacha design.
Use toolGaming · Calculator
Time to Kill Calculator
Calculate hits to kill, effective DPS, and time to kill for combat tuning.
Use toolGaming · Calculator
Enemy HP Scaling Calculator
Generate enemy health values by level for combat balance tables.
Use toolGaming · Calculator
Enemy Damage Scaling Calculator
Generate enemy damage values by level for combat progression.
Use toolGaming · Calculator
Stat Growth Calculator
Create a per-level table for HP, damage, armor, speed, or a custom game stat.
Use toolGaming · Calculator
Upgrade Cost Curve Calculator
Generate upgrade costs and cumulative totals across levels.
Use toolGaming · Calculator
Reward Curve Calculator
Generate level rewards for coins, XP, items, score, or custom rewards.
Use toolGaming · Calculator
Game Economy Source / Sink Calculator
Compare daily currency sources and sinks to see net economy flow.
Use toolGaming · Calculator
Crafting Cost Calculator
Calculate recipe ingredient cost and unit output cost.
Use toolGaming · Calculator
Idle Upgrade ROI Calculator
Calculate idle upgrade payback time and ROI over a selected duration.
Use toolGaming · Generator
Loot Table Builder
Build weighted loot entries and export normalized drop chances.
Use toolGaming · Calculator
Expected Attempts Calculator
Calculate expected attempts and attempts needed for common success probabilities.
Use toolGaming · Calculator
Wave Enemy Count Calculator
Generate enemy counts by wave and total enemies across a wave set.
Use toolGaming · Calculator
Wave Difficulty Curve Calculator
Generate a deterministic difficulty curve across waves.
Use toolGaming · Generator
Enemy Spawn Timeline Generator
Generate a deterministic spawn event timeline from enemy type, start time, interval, and count.
Use toolGaming · Calculator
Cooldown Calculator
Calculate effective cooldown and casts per minute after cooldown reduction.
Use toolCreator · Calculator
YouTube Revenue Calculator
Estimate YouTube ad revenue from monthly views and RPM scenarios.
Use toolCreator · Calculator
Sponsorship Rate Calculator
Estimate a creator sponsorship quote from views, CPM, costs, and premiums.
Use toolHome · Calculator
Paint Calculator
Estimate paint needed for a room from dimensions, openings, coats, and coverage.
Use toolImage · Image
Image Converter
Convert PNG, JPEG, and WebP images directly in your browser.
Use toolImage · Image
Image Compressor
Compress images locally with an adjustable quality setting.
Use toolImage · Image
Image Resizer
Resize images by width, height, percentage, or common presets.
Use toolImage · Image
Image Cropper
Crop images with free crop or common aspect ratios.
Use toolImage · Image
Image Rotator & Flipper
Rotate or flip an image locally and download the result.
Use toolImage · Image
Image Metadata Viewer
Inspect file properties and readable embedded metadata from an image.
Use toolImage · Image
Remove Image Metadata
Create a clean image output without unnecessary embedded metadata where possible.
Use toolImage · Image
Image to Base64
Convert an image file into Base64 or a data URI locally in your browser.
Use toolImage · Image
Aspect Ratio Calculator
Simplify aspect ratios and calculate proportional image dimensions.
Use toolImage · Image
Social Media Image Resizer
Resize and crop images to centralized social/content convenience presets.
Use toolImage · Image
EXIF Viewer
View readable EXIF metadata from an image locally in your browser.
Use toolImage · Image
Remove EXIF Data
Inspect image metadata and download a cleaned copy without typical embedded EXIF data.
Use toolImage · Image
Photo GPS Metadata Checker
Check whether a photo appears to contain readable GPS/location metadata.
Use toolImage · Image
Image Metadata Inspector
Inspect image dimensions, format, file size, EXIF fields, transparency, and GPS presence.
Use toolImage · Image
SVG to PNG Converter
Convert an SVG file to a PNG image with custom dimensions.
Use toolImage · Image
Image Color Picker
Click an image to pick a color and copy HEX, RGB, or HSL values.
Use toolDeveloper · Developer
Base64 Encoder / Decoder
Encode text to Base64 or decode Base64 back to UTF-8 text.
Use toolDeveloper · Developer
URL Encoder / Decoder
Encode or decode URL component text locally.
Use toolDeveloper · Developer
JWT Decoder
Decode JWT header and payload locally without verifying the signature.
Use toolDeveloper · Developer
Hash Generator
Generate SHA-256, SHA-384, or SHA-512 hashes locally with Web Crypto.
Use toolText · Text
Word Counter
Count words, characters, sentences, paragraphs, and reading time.
Use toolText · Text
Character Counter
Count characters, characters without spaces, words, and lines.
Use toolText · Text
Case Converter
Convert text to uppercase, lowercase, title case, camelCase, snake_case, and more.
Use toolText · Text
Find & Replace
Find and replace text locally with optional case-sensitive and regex modes.
Use toolText · Text
Remove Extra Spaces
Collapse repeated spaces, trim line edges, and optionally remove blank lines.
Use toolText · Text
Text Diff Checker
Compare two text blocks and see added and removed lines.
Use toolDeveloper · Developer
JSON Formatter & Validator
Format, validate, and minify JSON locally in your browser.
Use toolDeveloper · Developer
JSON Diff
Compare two JSON values structurally instead of by formatting.
Use toolDeveloper · Developer
YAML to JSON Converter
Convert simple flat YAML objects to JSON and JSON objects to YAML.
Use toolDeveloper · Developer
SQL Formatter
Format or minify SQL query text locally without executing it.
Use toolText · Text
Markdown Preview
Write Markdown and preview safe rendered HTML locally.
Use toolImage · Image
Palette Generator
Generate a practical color palette from an image and copy HEX values.
Use toolCreator · Generator
Favicon Generator
Generate common PNG favicon sizes from an image locally.
Use toolDeveloper · Developer
File Checksum
Calculate SHA checksums for a local file without uploading it.
Use toolDeveloper · Converter
Number Base Converter
Convert integers between binary, octal, decimal, and hexadecimal.
Use toolDeveloper · Converter
HTML Entity Encoder / Decoder
Encode text as HTML entities or decode entities back to readable text.
Use toolDeveloper · Developer
Color Contrast Checker
Check foreground and background color contrast with WCAG-oriented guidance.
Use toolCreator · Generator
UTM Builder
Build campaign URLs with UTM parameters and copy the final URL.
Use toolCreator · Text
Meta Title & Description Checker
Check title and meta description length with an approximate SERP preview.
Use toolCreator · Generator
Robots.txt Generator
Generate a simple robots.txt file with allow, disallow, and sitemap rules.
Use toolCreator · Text
Reading Time Calculator
Estimate reading and speaking time from pasted text.
Use toolDate & Time · Calculator
Age Calculator
Calculate age in years, months, and days from a birth date.
Use toolDate & Time · Calculator
Date Difference Calculator
Calculate calendar difference and total days between two dates.
Use toolDate & Time · Calculator
Days Between Dates
Quickly count how many days are between two dates.
Use toolDate & Time · Calculator
Add or Subtract Date
Add or subtract years, months, weeks, and days from a date.
Use toolDate & Time · Calculator
Time Duration Calculator
Calculate hours, minutes, and seconds between two times.
Use toolDate & Time · Calculator
Hours Calculator
Calculate worked hours with an optional break duration.
Use toolDate & Time · Converter
Unix Timestamp Converter
Convert Unix timestamps to dates and dates to Unix time.
Use toolDate & Time · Converter
Time Zone Converter
Convert a date and time between IANA time zones.
Use toolConvert · Converter
Unit Converter
Convert length, weight, temperature, volume, area, speed, and data storage units.
Use toolConvert · Converter
Length Converter
Convert millimeters, centimeters, meters, kilometers, inches, feet, yards, and miles.
Use toolConvert · Converter
Weight Converter
Convert milligrams, grams, kilograms, metric tons, ounces, pounds, and stone.
Use toolConvert · Converter
Temperature Converter
Convert Celsius, Fahrenheit, and Kelvin.
Use toolConvert · Converter
Volume Converter
Convert metric volume and US kitchen/liquid volume units.
Use toolConvert · Converter
Area Converter
Convert square metric and imperial area units, acres, and hectares.
Use toolConvert · Converter
Speed Converter
Convert meters/second, kilometers/hour, miles/hour, feet/second, and knots.
Use toolConvert · Converter
Data Storage Converter
Convert bits, bytes, SI KB/MB/GB/TB, and IEC KiB/MiB/GiB/TiB.
Use toolGenerate · Generator
Password Generator
Generate random passwords locally with browser crypto randomness.
Use toolGenerate · Generator
UUID Generator
Generate one or more UUID v4 values locally.
Use toolGenerate · Generator
Random Number Generator
Generate random integers within a range using browser crypto randomness.
Use toolGenerate · Generator
Slug Generator
Create URL-friendly slugs from titles and text.
Use tool