UTILS

Free online tools to generate, calculate,
convert, format, encode, and play.

732+ Free Online Utils

Welcome to utils.com! The internet's best kept secret, and your instant toolkit for digital tasks. No downloads, no complexity, no confusion. Lightning-fast utilities and converters built for people who value their time.

Whether you're transforming or analyzing data, or solving everyday digital problems we've stripped away everything except what matters: speed and simplicity.

Clean. Fast. Private, since your data never leaves your browser!

3D Printing

Bed Size Checker Filament Calculator Infill Calculator Layer Height Guide 3D Model Scaler Nozzle Flow Rate Print Cost Print Time Resin Calculator Retraction Guide Shrinkage Compensator STL Viewer Temperature Tower Thread & Insert Tolerance & Fit Guide

Accessibility

Alt Text Aria Label WCAG Contrast Heading Structure Key Navigation Reading Level Screen Reader

AI

Grammar & Spell Image Description Keyword Extractor Paraphrasing Tool Sentiment Analyzer SEO Analyzer Text Summarizer Token Counter Translator

Astronomy

Angular Size Apparent Magnitude Drake Equation Eclipse Calendar Escape Velocity ISS Tracker Meteor Showers Night Sky Darkness Orbital Period Planet Position Redshift Calculator Space Travel Time Star Map Telescope FOV

Audio

Volume Adjuster Audio Player Audio Converter Cut Audio Decibel Meter Noise Generator Tone Generator Join Audio Audio Recorder Pitch Shifter Spectrum Viewer Audio Trimmer Instrument Tuner Waveform Viewer

Blockchain

Business

CAC Churn Rate Conversion Rate Cost Estimator Freelance Rate LTV Time Zones Unit Economics

Calculators

Average Calculator Complex Number Fractions Percentage Function Plotter Scientific

Calendar

Age Calculator Business Days Calendar Viewer Date Calculator Chinese Zodiac Event Countdown Day of Week Date Formater Hebrew Calendar Islamic Calendar Julian Calendar Meeting Time Zone Finder Moon Phase Tide Calculator

Chemistry

Buffer Solution Dilution Calculator Electron Configuration Empirical Formula Chemical Balancer Gas Laws Molarity Molecular Weight Oxidation Number Percent Composition Periodic Table pH Stoichiometry

Code

Color

CMYK to RGB Color Name Lookup Blindness Simulator Color Picker RGB Colors

Compress

BZIP2 Decompressor BZIP2 Compressor GZIP Decompressor GZIP Compressor RAR Extractor XZ Decompressor UnZip Files Zip Files

Converters

ASCII to Unicode CSV to JSON CSV to Markdown Table HTML to Markdown JSON to CSV JSON to XML JSON to YAML Markdown to HTML YAML to JSON

Cooking

Baking Ratio Brining Calculator Caffeine Tracker Canning & Preserving Cooking Units Defrost Time Estimator Egg Size Converter Homebrew ABV Ingredient Substitution Meat Doneness Guide Oven Temp Converter Pan Size Converter Recipe Scaler Smoke Point Reference Sourdough Hydration

Currency

Crypto Converter Currency Formatter Currency Converter Multi Currency Tip Calculator

Data

Duplicate Finder Excel to JSON Mock Data SQL Query Builder Table Formatter

Design

Aspect Ratio CSS Button Color Scheme CSS Animation CSS Flexbox Gradient Creator CSS Grid CSS Border Radius CSS Box Shadow CSS Transform Font Pairing Font Size Glassmorphism Placeholder Images

DIY

Concrete Calculator Curtain Size Calculator Deck Board Calculator Drywall Calculator Fence Calculator Flooring Calculator Grout Calculator Lumber Calculator Mulch & Soil Calculator Paint Calculator Paint Color Mixer Room Area Calculator Staircase Calculator Tile Layout Planner Wallpaper Calculator

Editors

Diff Checker Hex Editor Text Editor

Educational

Flashcards Multiplication Quiz Generator Times Tables

Emoji

Emoji Analyzer Emoji's Table Text to Emoji

Encoders

ASCII85/Base85 Base32 Base64 Binary Un/Escape Strings Hex HTML Entity Morse Code Punycode Unicode URL Encoder

Encryption

AES Certificate Decoder Text Cipher Fernet Encryption HMAC Generator Encryption Keys Password Password Hash PGP RSA Digital Signature

Engineering

Gear Ratio Belt Length Resistor Color Rotation Speed Thread Pitch Torque Calculator Wire Gauge

File

File Hash File Size File Size Calc File Type MIME Types

Finance

Fractals

Canopy Fractal Dendrite Fractal Dragon Curve Gosper Curve Hausdorff Fractal Hilbert Curve Koch Snowflake Multiflake Fractal Peano Curve Pythagoras Tree Sierpinski Triangle V-tree Fractal

Games

Chess Hangman High or Low Lander Memory Cards Number Guessing RockPaperScissors Word Scramble Snake Sudoku Tic-Tac-Toe

Gardening

Companion Planting Compost Ratio Fertilizer Ratio Frost Date Lookup Garden Bed Planner Hardiness Zone Lookup Harvest Date Lawn Seed pH Adjustment Plant Spacing Rainfall Tracker Seed Date Planner Soil Volume Sunlight Hours Watering Schedule

Geo

Bearing Coordinate Distance Location Interactive Map

Hashing

BLAKE2b CRC32 Keccak256 MD5 RIPEMD-160 SHA-1 SHA224 SHA256 SHA3-256 SHA3-384 SHA3-512 SHA384 SHA512 Whirlpool

Health

Blood Pressure Blood Sugar Body Mass Index BMR Calculator Body Fat Calculator Body Surface Area Calorie Calculator Heart Rate Zones Ideal Weight Macro Calculator 1RM Calculator Pace Calculator Pregnancy Calculator Protein Intake Sleep Calculator TDEE Calculator Training Zone VO2 Max Water Intake

Home

AC Size Carbon Footprint Cleaning Schedule Electricity Bill Splitter Energy Cost Heating Cost Home Insurance Laundry Load Moving Boxes Room Lighting Solar Panel Estimator TV Size & Distance Water Usage

I18n

Country Dates Country Details Country Formats Country Metrics Language Codes Timezone DB

Image

Favicon Generator Image Compressor Crop Image Image Filter Image Flipper Image Metadata Negative Colors Image Resizer Image Rotator Image to Base64 JPG to PNG OCR - Image to Text PNG to JPG SVG Studio

Legal

CCPA Compliance Checker Cookie Consent Banner Generator Copyright Notice Generator Data Retention Policy Generator GDPR Compliance Checklist Privacy Policy Generator Terms of Service Generator

Linguistics

Alliteration & Assonance Anagram Solver Cognate Finder Etymology Lookup IPA Keyboard & Chart Language Family Tree Lexical Density Minimal Pair Generator Morpheme Analyzer Phonetic Transcription Script Converter Sentence Diagrammer Syllable Counter Word Frequency

Math

Equation Solver Exponent Calculator Factorial Calculator Fibonacci Sequence Fraction Calculator Fraction Simplifier GCD Calculator GCD/LCM Least Common Multiple (LCM) Calculator Logarithm Calculator Magic Square Matrix Calculator Number Base Converter Pascal's Triangle PDE Solver Prime Checker Prime Factorization Roman Numbers Scientific Notation

Mobile

Device Pixel Ratios Device Screen Sizes Mobile vs Desktop Responsive Tester Touch Event Tester Viewport Size Detector

Music

BPM Calculator Chord Progression Ear Training Quiz Key Transposer Metronome Note Frequency Scale Explorer

Mystic

Magic 8-Ball Biorhythm Chakra Coin Flip Fortune Cookie Horoscope Numerology Rune Caster Sigil Tarot Reader Would You Rather Zodiac Match

Network

Bandwidth Calculator CIDR Domain to IP DNS Propagation Geo IP Locate HTTP Headers Checker MAC Lookup MAC Address Generator My IP Open Port Checker Ping Traceroute Port Checker Reverse DNS SSL/TLS Checker Subnet Calculator Website Speed Test Whois Lookup

PDF

Images to PDF PDF Info Viewer PDF Merger PDF Numbers PDF Protect PDF Reorder PDF Resize PDF Rotate PDF Splitter PDF Text Extract PDF to Images PDF Watermark

Phone

Country Codes DTMF Tone Dialer

Photography

Aspect Ratio Cropper Astrophotography Golden Ratio Overlay Depth of Field Exposure Triangle Flash Guide Number Focal Length Golden Hour Hyperfocal Distance Image Size Estimator Lens Comparison Megapixel Calculator ND Filter Calculator DPI Calculator Star Trail Time-Lapse Calculator

Physics

Electric Field Calculator Kinetic & Potential Energy Calculator Force Calculator (F=ma) Gravitational Force Calculator Momentum Calculator Ohm's Law Calculator Projectile Motion Calculator Physics Unit Converter Velocity & Acceleration Calculator Wave Properties Calculator Work & Power Calculator

Productivity

Daily Planner Eisenhower Matrix Focus Mode Timer Goal Tracker Habit Tracker Meeting Cost Scratchpad Pomodoro Timer Pros and Cons List Random Decision Reading Time Sticky Notes Task Estimator Time Tracker Todo List Typing Speed Test Words Per Minute

Programming

HTML Playground JavaScript Python Rust SQL TypeScript

QR

Barcode Generator QR Generator QR Reader

Random

Random Choice Dice Roller Random Number Random Data Spin the Wheel

Reference

Git Command Cheat Sheet HTML Entity Reference HTTP Status Codes Reference Keyboard Shortcuts Reference Linux Command Reference SQL Command Reference

Security

Data Breach Checker Encryption Key Hash Comparison Passphrase Generator Secure Password Generator Password Strength Checker Random Token Generator 2FA Code Generator UUID/GUID Generator

SEO

Broken Link Checker Canonical URL Checker Core Web Vitals Checker Favicon Heading Structure Keyword Density Meta Tags Mobile-Friendly Test Open Graph Tags Page Load Time Analyzer Redirect Checker robots.txt Schema Markup SEO Optimized Checklist XML Sitemap Time on Page Tracker Page Title & Desc. Twitter Card Generator

Sort

IP Address Sorter CSV Column Sorter Date/Time Sorter JSON Sorter List Sorter Number Sorter File Size Sorter Line Sorter Domain/URL Sorter Version Number Sorter

Statistics

Chi-Square Test Correlation Coefficient Frequency Distribution Mean Median Mode Normal Distribution Probability Calculator Standard Deviation Statistics Calculator Variance Calculator Z-Score Calculator

Technical

Binary/Decimal/Hex/Octal Bitwise Operation Character Encoding IEEE 754 Floating Point Two's Complement

Text

Case Converter Character Frequency Regex Find & Replace Line Number Adder Lorem Ipsum Lowercase Number to Words Remove Duplicates Replace Reverse Text Slug Generator Sort Lines Counter Text Diff Text to Speech Titlecase Uppercase Whitespace Normalizer Words Frequency

Time

Stopwatch Sunrise Sunset Timer World Time Timestamps Timezone Finder Unix Time

Units

Unix

Awk Quick Builder Bash Expansion Chmod Calculator Cron Expressions Curl Command Builder Find Command Builder ls -l Decoder Port Service Lookup Sed One-Liner Command Explainer Shell Paste Checker Umask Calculator

Validators

Credit Card Type Credit Card Validator CSS Validator Email Validator HTML Validator IBAN Validator ISBN Validator JSON Validator Phone Number Validator Regex Validator SSN Validator URL Validator VAT Number Validator XML Validator

Video

Frame Extractor Green Screen Remover MP4 to GIF Video Add Audio Video Crop Video Cut Video Extract Audio Video Filters Video Flip Video Merge Video Player Video Resize Video Rotate Video to GIF Video Transcoder

Web

Clear UX Checklist Dark Mode Checker Mobile vs Desktop Error Handling Checker Fast Load Time Checker Headers htpasswd HTTP Status Codes Input Validation Checker Responsive Checker Popular Pages Robots.txt Search Queries URL Parser User Agent Parser WebSocket Tester

Writing

Adverb Highlighter Citation Formatter Cliché Detector Dialogue Tag Checker Email Subject Tester Headline Analyzer Hook Generator Jargon Simplifier Passive Voice Readability Score Repetition Finder Sentence Length Tone Analyzer Transition Word Word Heatmap

Stay tuned for updates and improvements, and if you have any suggestions or feedback, we'd love to hear from you. Feel free to reach out via our contact form and let us know what tools or utilities you'd like to see added. Thank you for your support!

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