182+ free tools.All in one place. All in your browser.
Random generators, file converters, calculators, image & PDF tools, text utilities and more. No signup, no uploads, no limits — every tool runs locally on your device and costs nothing, forever.
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The tools people reach for every single day.
Random Password Generator
Strong, unguessable passwords with custom rules
Random Name Generator
First and last names for testing, games and stories
Random Username Generator
Available-style usernames from adjectives, nouns and numbers
Random Number Generator
Numbers in any range, with or without duplicates
Random Credit Card Generator
Luhn-valid test card numbers for developers
Dice Roller
Roll d4–d100 dice with modifiers and history
Random Team Picker
Fair team and winner picker from any list
Case Converter
UPPER, lower, Title, camelCase, snake_case & more
Word Counter
Words, characters, sentences, reading time
ASCII Text Generator
Turn text into big ASCII art banners
Fancy Text Generator
Stylish unicode fonts for bios and profiles
Base64 Encoder / Decoder
UTF-8-safe Base64 encode and decode
Browse all 182+ tools
Every category, every tool — free forever, running 100% in your browser.
Random Generators
35 tools
Random names, passwords, numbers, usernames, cards, emails and more — perfect for testing, games and privacy.
Random Password Generator
Strong, unguessable passwords with custom rules
Random Name Generator
First and last names for testing, games and stories
Random Username Generator
Available-style usernames from adjectives, nouns and numbers
Random Number Generator
Numbers in any range, with or without duplicates
Random Credit Card Generator
Luhn-valid test card numbers for developers
Random UUID Generator
Bulk UUID v4 identifiers, copy-ready
Random Color Generator
Random HEX, RGB and HSL colors with preview
Random Color Palette Generator
Harmonized 5-color palettes with CSS export
Random Email Generator
Disposable-style email addresses for signup testing
Random Address Generator
Full sample street addresses for test data
Random Phone Number Generator
Formatted phone numbers for any country style
Random IP Address Generator
IPv4 and IPv6 addresses for network testing
Random MAC Address Generator
MAC addresses in any separator and case style
Random Coordinates Generator
Random latitude and longitude pairs worldwide
Random Date Generator
Random dates in any range and format
Random Time Generator
Random times of day in 12h or 24h format
Random Timestamp Generator
Unix timestamps in any date range
Random Letter Generator
A–Z letters, solo or in sequences
Random Word Generator
Random English words by length and starting letter
Random Sentence Generator
Grammatical filler sentences for design mockups
Random String Generator
Custom-character random strings, any length
Random Binary Generator
Random 0s and 1s in any length
Random Hex Generator
Random hexadecimal strings of any length
Random Emoji Generator
Spin random emojis for fun, games and bios
Random Animal Generator
Random animals for games, teams and classrooms
Random Country Generator
Random countries with flags and codes
Random User Agent Generator
Realistic browser user-agent strings
Random Avatar Generator
Identicon-style avatars as downloadable PNGs
Random Quote Generator
Inspiring quotes with authors, one click each
Dice Roller
Roll d4–d100 dice with modifiers and history
Coin Flip
Heads or tails with flip statistics
Yes / No Decision Maker
Instant random answers to any question
Random Team Picker
Fair team and winner picker from any list
Random Sequence Generator
Unique random number sequences, no repeats
Lorem Ipsum Generator
Placeholder paragraphs, sentences or words
Text Tools
16 tools
Count, convert, clean, format and transform text — case conversion, ASCII art, diffs, sorting and more.
Case Converter
UPPER, lower, Title, camelCase, snake_case & more
Word Counter
Words, characters, sentences, reading time
Reverse Text Generator
Flip text backwards by letters, words or lines
Text Repeater
Repeat any text N times with custom separators
Remove Line Breaks
Strip newlines while keeping paragraphs intact
Remove Duplicate Lines
Deduplicate lists, keep first occurrences
Sort Lines
Alphabetical, numeric, length or reverse sorting
Find and Replace
Bulk text replacement with regex support
Text Diff Checker
Compare two texts, line-by-line differences
ASCII Text Generator
Turn text into big ASCII art banners
Morse Code Translator
Text to Morse and Morse to text
ROT13 Encoder / Decoder
Classic ROT13 letter rotation cipher
Caesar Cipher Encoder
Shift letters by any amount, both directions
Word Frequency Counter
Which words appear most in your text?
Markdown to HTML Converter
Render Markdown with live preview and source
Fancy Text Generator
Stylish unicode fonts for bios and profiles
Encoders & Converters
15 tools
Base64, URL, hash, binary, JSON/YAML/CSV converters and number-base tools — all running instantly in your browser.
Base64 Encoder / Decoder
UTF-8-safe Base64 encode and decode
URL Encoder / Decoder
Percent-encode or decode URLs and params
HTML Entity Encoder / Decoder
Escape or unescape HTML entities safely
Number Base Converter
Binary, octal, decimal, hex and any base 2–36
Binary to Text Converter
Decode 0s and 1s into readable text
Hex to Text Converter
Decode hexadecimal into readable text
Hash Generator
SHA-256, SHA-1, SHA-512, MD5 & CRC32 checksums
JWT Decoder
Inspect JWT header, payload and expiry
Unix Timestamp Converter
Epoch to date and back, in your timezone
Roman Numeral Converter
Numbers to Roman numerals and back
Number to Words Converter
Spell out numbers in English words
JSON Formatter & Validator
Beautify, validate and minify JSON
JSON to YAML Converter
Two-way JSON and YAML conversion
JSON to CSV Converter
Flatten JSON arrays into CSV spreadsheets
CSV to JSON Converter
Spreadsheet rows to clean JSON objects
Image Tools
30 tools
Convert, compress, resize, crop and enhance images between PNG, JPG, WebP, GIF, ICO and more — no uploads.
PNG to JPG Converter
Convert PNG images to JPG with quality control
JPG to PNG Converter
Convert JPG/JPEG images to lossless PNG
PNG to WebP Converter
Shrink PNGs into modern WebP files
WebP to PNG Converter
Extract WebP images into universal PNGs
JPG to WebP Converter
Modernize JPG photos as smaller WebP files
WebP to JPG Converter
Turn WebP downloads into standard JPG files
BMP to PNG Converter
Compress bulky BMP bitmaps into PNG
PNG to BMP Converter
Turn PNGs into raw BMP bitmaps
GIF to PNG Converter
Extract GIF frames as PNG images
SVG to PNG Converter
Rasterize vector SVGs at any resolution
AVIF to PNG Converter
Convert modern AVIF images to PNG
ICO to PNG Converter
Extract Windows icons into PNG images
PNG to ICO Converter
Build multi-size .ico icons from PNGs
Image Compressor
Shrink image file sizes, keep the quality
Image Resizer
Resize images by pixels or percentage
Image Cropper
Crop images to any ratio or freeform area
Image Rotator
Rotate images 90°, 180° or any angle
Image Flipper
Mirror images horizontally or vertically
Image Filters
Grayscale, sepia, invert, blur & adjustments
Image to Base64
Data-URI encoder with CSS/HTML snippets
Base64 to Image
Decode data URIs back into image files
Image to ASCII Art
Turn photos into text-based ASCII art
Image Color Picker
Pick exact colors from any image
Image Palette Extractor
Pull dominant color palettes from images
Background Remover
AI background removal, fully on-device
Image Watermark Tool
Add text watermarks with position & opacity
QR Code Generator
Custom QR codes with colors and logo
QR Code Reader
Scan or upload QR codes to decode them
Barcode Generator
Code128, EAN, UPC, ITF, Code39 barcodes
Favicon Generator
One image to a complete favicon pack
Convert PDFs to images or text, merge, split and build PDFs from images — entirely on your device.
PDF to JPG Converter
Render PDF pages as JPG images
PDF to PNG Converter
Render PDF pages as lossless PNGs
PDF to Text Extractor
Extract selectable text from PDF files
Merge PDF
Combine multiple PDFs into one document
Split PDF
Extract page ranges into new PDFs
Images to PDF
Combine JPG/PNG images into one PDF
Video & Audio
20 tools
Convert MP4 to MP3/WAV, trim, compress, record your screen or voice, text-to-speech and more — powered by your browser.
MP4 to MP3 Converter
Extract audio tracks from video files
MP4 to WAV Converter
Lossless audio extraction from video
MP4 to WebM Converter
Re-encode videos to the open WebM format
Video to GIF Converter
Turn any video clip into a looping GIF
Video Trimmer
Cut video clips by start and end time
Video Compressor
Shrink video file sizes in your browser
Video Metadata Viewer
Inspect codecs, duration, resolution, bitrate
Video Joiner
Concatenate clips into one video
Audio Converter
MP3, WAV, OGG, M4A, FLAC to any format
MP3 Cutter
Trim audio clips with second precision
Audio Reverser
Play any audio backwards
Audio Speed Changer
Speed up or slow down audio, pitch-safe
Audio Joiner
Merge tracks into one continuous file
Screen Recorder
Record your screen or a browser tab
Voice Recorder
Record audio from your microphone
Webcam Recorder
Record video from your camera
Text to Speech
Speak any text with system voices
Speech to Text
Live dictation straight into text
Tone Generator
Play sine, square & saw tones at any Hz
Online Metronome
Keep perfect tempo, 30–300 BPM
Calculators
16 tools
Everyday calculators: loans, BMI, percentages, age, dates, statistics, fractions and a full scientific calculator.
Online Calculator
A fast basic calculator with keyboard support
Scientific Calculator
Trig, logs, powers and constants
BMI Calculator
Body mass index in metric or imperial
Age Calculator
Exact age in years, months and days
Percentage Calculator
Percent of a number, ratios and change
Loan / EMI Calculator
Monthly payments, total interest & schedule
Tip Calculator
Tip amount and split per person
Discount Calculator
Sale prices and money saved instantly
GST / Sales Tax Calculator
Add or remove tax from any price
Simple & Compound Interest Calculator
Compare simple vs compound growth
Aspect Ratio Calculator
Scale dimensions without distortion
Fraction Calculator
Add, subtract, multiply, divide fractions
Mean, Median & Mode Calculator
Instant stats for any list of numbers
Date Difference Calculator
Days, weeks and months between dates
Fuel Cost Calculator
Trip fuel expenses and consumption
Bill Split Calculator
Divide any bill evenly or by share
Unit Converters
14 tools
Weight, height, length, temperature, speed, data, currency and many other unit converters with instant results.
Weight Converter
kg, lb, oz, stone, grams and tons
Height Converter
Feet/inches to cm and meters
Length Converter
Meters, miles, feet, inches, km and more
Temperature Converter
Celsius, Fahrenheit, Kelvin and Rankine
Speed Converter
km/h, mph, m/s, knots, mach
Data Size Converter
Bytes, KB, MB, GB, TB and bits
Area Converter
Square meters, feet, acres, hectares
Volume Converter
Liters, gallons, cups, milliliters
Cooking Measurement Converter
Cups, tablespoons, teaspoons, ml, grams
Time Unit Converter
Seconds, minutes, hours, days, weeks
Pressure Converter
Pascal, bar, PSI, atmospheres, mmHg
Energy Converter
Joules, calories, kWh, BTU
Angle Converter
Degrees, radians, gradians, turns
Currency Converter
Live exchange rates, 30+ currencies
Web & Developer
21 tools
IP lookup, speed test, Discord webhooks, regex tester, CSS generators, QR codes and other handy developer tools.
IP Address Lookup
Geolocation, ISP and details for any IP
What Is My IP
See your public IP address and network
Internet Speed Test
Download, upload, ping and jitter
User Agent Checker
Your full browser & device fingerprint
Password Strength Checker
Crack-time estimate for any password
Password Breach Checker
Check if a password has been leaked
Discord Webhook Sender
Send messages & embeds to any webhook
Discord Webhook Deleter
Delete a webhook with its token
Discord ID Lookup
Decode IDs into account & server dates
IP Subnet Calculator
IPv4 CIDR ranges, masks and hosts
Regex Tester
Live pattern matching with highlights
CSS Gradient Generator
Linear & radial gradients with live preview
Box Shadow Generator
Design CSS shadows visually
Border Radius Generator
Per-corner radii with live preview
Color Picker
HEX, RGB, HSL with shades and tints
Meta Tag Generator
SEO, Open Graph & Twitter tags
robots.txt Generator
Correct crawler rules for any site
Email Validator
Syntax and format checks, explained
Direct Media Downloader
Save files from any direct URL
CSS Minifier
Strip whitespace & shorten CSS
HTML Live Preview
Write HTML, see it rendered instantly
Time & Productivity
8 tools
Stopwatch, countdown timers, pomodoro, world clock, typing test and everything else that keeps you on track.
Online Stopwatch
Centisecond-precise timing with laps
Countdown Timer
Set any countdown with alarm sound
Pomodoro Timer
25/5 focus cycles with session tracking
World Clock
Compare time across world cities
Timezone Converter
Convert any time between zones
Online Alarm Clock
Set an alarm while the tab is open
Typing Speed Test
Measure your WPM and accuracy
Days Until Calculator
Countdown to any future date
Fun & Misc
1 tool
Fancy text styles, zodiac signs and other playful utilities that are just too useful to skip.
Why UsefulTools?
Your files stay yours
Other converters upload your photos and documents to servers you can't see. Here, conversion, compression and background removal all happen on your own device — private by architecture, not by promise.
No paywalls, no accounts
Every one of the tools is free with no signup, no email, no watermark and no daily limit. Bookmark the ones you love and use them forever.
Fast on any connection
Pages are static and lightweight, tools load on demand, and most of them keep working even if your connection drops mid-task.