Instant Browser Tools

Unit Converter

Convert between length, mass, volume, and temperature units instantly in your browser.

Time Zone Converter

Convert a date and time between time zones instantly in your browser.

Color Picker & Converter

Pick a color and instantly see its HEX, RGB, and HSL values.

QR Code Generator

Generate a QR code from any text or URL instantly in your browser.

Base64 / Image Encoder

Convert any file to a Base64-encoded string instantly in your browser.

JSON Formatter

Format or minify JSON instantly in your browser.

Case Converter

Convert text between UPPERCASE, lowercase, Title Case, camelCase, snake_case, and kebab-case.

Word & Character Counter

Count words and characters in your text instantly in your browser.

Hash Generator

Generate SHA-1, SHA-256, and SHA-512 hashes from text instantly in your browser.

UUID Generator

Generate random UUIDs (v4) instantly in your browser.

Password Generator

Generate strong, random passwords instantly in your browser.

JWT Decoder

Decode a JSON Web Token's header and payload instantly in your browser.

Regex Tester

Test a regular expression against sample text and see every match instantly.

Text Diff Checker

Compare two blocks of text and see the differences line by line.

URL Parser

Break a URL down into its protocol, host, path, query params, and hash.

User-Agent Parser

Decode a browser user-agent string into browser, engine, and OS details.

CSV to Table Viewer

Paste CSV data and instantly view it as a formatted table.

Cron Expression Explainer

Paste a cron expression and get a plain-English explanation of its schedule.

Lorem Ipsum Generator

Generate placeholder Lorem Ipsum text instantly in your browser.

Text Line Tools

Sort, deduplicate, reverse, and trim the lines of any text instantly.

File Checksum Calculator

Compute a SHA-1, SHA-256, or SHA-512 checksum of a file without uploading it.

Text Encryptor

Encrypt or decrypt text with a passphrase using AES-GCM, entirely in your browser.

Password Strength Checker

Check how strong a password is instantly, without it ever leaving your browser.

Color Contrast Checker

Check the WCAG contrast ratio between two colors for accessibility compliance.

CSS Gradient Generator

Design a linear or radial CSS gradient visually and copy the generated code.

CSS Shadow Generator

Design a CSS box-shadow and border-radius visually and copy the generated code.

Color Palette Generator

Generate complementary, analogous, and triadic color palettes from a base color.

Image Resizer

Resize an image and download the result, entirely in your browser.

Image Color Extractor

Extract the dominant colors from an image instantly in your browser.

EXIF Data Viewer

View the hidden EXIF metadata in a photo without uploading it anywhere.

Favicon Previewer

Preview how an image looks as a favicon at every common size.

Text to Speech

Have your browser read text aloud using its built-in voices.

Speech to Text

Dictate text using your microphone, transcribed instantly in your browser.

Audio Trimmer

Trim an audio file and download the clipped result, entirely in your browser.

Metronome

A simple adjustable-tempo metronome that runs entirely in your browser.

Date Calculator

Calculate the difference between two dates, or your exact age, instantly.

Percentage Calculator

Calculate percentages, percentage change, and percentage of a total.

Tip Calculator

Calculate a tip and split the bill between any number of people.

BMI Calculator

Calculate your Body Mass Index and see its category instantly.

Loan Calculator

Calculate a loan's monthly payment, total cost, and total interest.

Dice Roller & Coin Flip

Roll virtual dice or flip a coin instantly in your browser.

IP Subnet Calculator

Calculate network address, broadcast address, and host range from a CIDR block.

Readability Checker

Check the Flesch reading ease and grade level of your text instantly.

URL Encoder / Decoder

Encode or decode URL components instantly in your browser.

HTML Entity Encoder / Decoder

Escape or unescape HTML entities instantly in your browser.

Unicode Text Inspector

Inspect every character in a string -- code point, UTF-8 bytes, and hidden characters.

Number Base Converter

Convert numbers between binary, octal, decimal, and hexadecimal instantly.

Unix Timestamp Converter

Convert between Unix timestamps and human-readable dates instantly.

JSON to YAML Converter

Convert between JSON and YAML instantly in your browser.

JSON to CSV Converter

Convert between JSON arrays and CSV instantly in your browser.

String Escape / Unescape

Escape or unescape special characters in a string for use in code.

Morse Code Translator

Translate text to Morse code and back, with optional audio playback.

Roman Numeral Converter

Convert numbers to Roman numerals and back instantly.

chmod Calculator

Convert Unix file permissions between symbolic and octal notation.

Crontab Builder

Visually build a cron expression instead of memorizing the syntax.

HTTP Status Code Reference

Look up any HTTP status code and what it means.

MIME Type Lookup

Look up the MIME type for a file extension, or vice versa.

Keycode Inspector

Press any key to see its JavaScript key code, key value, and modifiers.

Slug Generator

Convert any text into a clean, URL-safe slug instantly.

Basic Auth Header Generator

Generate an HTTP Basic Authentication header from a username and password.

Markdown Previewer

Write Markdown and see the rendered HTML preview instantly.

SQL Formatter

Format a SQL query for readability instantly in your browser.

CSS / JSON / SVG Minifier

Minify CSS, JSON, SVG, or HTML instantly in your browser.

UUID / ULID Decoder

Decode a UUID or ULID to inspect its version and embedded timestamp.

Text Repeater

Repeat a piece of text any number of times instantly.

Whitespace Visualizer

Make tabs, spaces, and line breaks in your text visible.

Extract Emails & URLs

Pull every email address or URL out of a block of text.

Fancy Text Generator

Convert plain text into bold, italic, circled, and other Unicode styles.

Hex Dump Viewer

View the raw hex and ASCII bytes of any file, without uploading it.

Word Frequency Counter

Count how often each word appears in your text.

Countdown Timer

A free online countdown timer with alarm and fullscreen mode.

Pomodoro Timer

A customizable Pomodoro focus timer that runs entirely in your browser.

World Clock

See the current time in multiple time zones at once.

Week Number Calculator

Find the ISO week number for any date.

Sleep Cycle Calculator

Calculate the best bedtime or wake-up time based on 90-minute sleep cycles.

Random Number Generator

Generate random numbers within any range instantly.

Random Picker Wheel

Spin a wheel to randomly pick a winner from your own list of names.

Random Color Generator

Generate a random color with its HEX, RGB, and HSL values.