Free Online Tools
Fast, private, browser-based utilities for developers and creators. No sign-up, no data sent to servers.
Developer Tools
JSON Formatter
Format, validate, and beautify JSON data with syntax highlighting.
#Base64 Encode/Decode
Encode text to Base64 or decode Base64 back to plain text.
idUUID Generator
Generate random UUIDs (v4) instantly for your projects.
%URL Encode/Decode
Encode or decode URLs and query string parameters.
MโMarkdown Preview
Write Markdown and see a live HTML preview side by side.
.*Regex Tester
Test and debug regular expressions with real-time match highlighting.
๐JWT Decoder
Decode and inspect JSON Web Tokens to view header, payload, and signature.
</>HTML Minifier
Minify HTML by removing whitespace, comments, and unnecessary attributes.
{ }CSS Minifier
Minify CSS by removing whitespace, comments, and redundant code.
JSJavaScript Minifier
Minify JavaScript by removing comments, whitespace, and shortening code.
ยฑDiff Checker
Compare two texts side by side and highlight the differences line by line.
โฐCron Expression Builder
Build and validate cron expressions with a visual interface and plain-English descriptions.
#!Hash Generator
Generate MD5, SHA-1, SHA-256, and SHA-512 hashes from text using Web Crypto API.
โEpoch Converter
Convert between Unix timestamps and human-readable dates instantly.
๐JSON to CSV
Convert JSON arrays to CSV format for easy spreadsheet import.
๐CSV to JSON
Convert CSV data to JSON format with automatic header detection.
&;HTML Entity Encode/Decode
Encode special characters to HTML entities or decode entities back to text.
๐๏ธSQL Formatter
Format and beautify SQL queries with proper indentation and keyword highlighting.
๐XML Formatter
Format and beautify XML documents with proper indentation.
โ๏ธYAML to JSON
Convert between YAML and JSON formats instantly with validation.
$..JSONPath Tester
Test JSONPath expressions against JSON data and see matching results.
โ{}JSON Schema Validator
Validate JSON data against a JSON Schema and see detailed error messages.
๐CSV Viewer
Parse and view CSV data as a sortable, searchable HTML table.
๐IP Address Lookup
Look up geolocation and details for any IP address using a free API.
Calculators Tools
Age Calculator
Calculate your exact age in years, months, and days from your date of birth.
%Percentage Calculator
Calculate percentages, percentage changes, and find what percent one number is of another.
โ๏ธBMI Calculator
Calculate your Body Mass Index with weight and height in metric or imperial units.
๐ฆLoan Calculator
Calculate monthly payments, total interest, and amortization schedule for loans.
๐ฐSalary Calculator
Convert between annual salary, monthly, weekly, and hourly pay rates instantly.
๐GPA Calculator
Calculate your Grade Point Average from courses, credits, and grades.
๐ท๏ธDiscount Calculator
Calculate discounts, sale prices, and tips with ease.
๐Date Difference
Calculate the exact number of days, weeks, months, and years between two dates.
๐ฅCalorie Calculator
Estimate daily calorie needs based on age, weight, height, and activity level.
Converters Tools
Length Converter
Convert between millimeters, centimeters, meters, kilometers, inches, feet, yards, and miles.
โ๏ธWeight Converter
Convert between milligrams, grams, kilograms, ounces, pounds, stone, and tons.
๐ก๏ธTemperature Converter
Convert between Celsius, Fahrenheit, and Kelvin temperature scales.
๐งชVolume Converter
Convert between milliliters, liters, gallons, quarts, pints, cups, and fluid ounces.
๐พData Size Converter
Convert between bytes, kilobytes, megabytes, gigabytes, terabytes, and petabytes.
๐ณCooking Converter
Convert between teaspoons, tablespoons, cups, milliliters, liters, and fluid ounces.
01Number Base Converter
Convert numbers between binary, octal, decimal, and hexadecimal bases.
Text Tools
Word Counter
Count words, characters, sentences, and paragraphs in your text.
...Lorem Ipsum Generator
Generate placeholder text in paragraphs, sentences, or words.
aACase Converter
Convert text between uppercase, lowercase, title case, camelCase, and more.
๐Text to Slug
Convert text to URL-friendly slugs with lowercase letters, hyphens, and no special characters.
โ๏ธRemove Duplicate Lines
Remove duplicate lines from text while preserving the original order.
๐Find and Replace
Find and replace text with support for regular expressions and case sensitivity.
๐Text to Speech
Convert text to speech using the Web Speech API with adjustable voice, rate, and pitch.
ฮฉUnicode Character Map
Browse and search Unicode characters with code points, names, and copy support.
โก#Line Counter & Sorter
Count, sort, reverse, and shuffle lines in your text with one click.
ยทโMorse Code Translator
Translate text to Morse code and back with audio playback support.
Image Tools
Image Compressor
Compress images in your browser by adjusting quality. Supports JPEG, PNG, and WebP.
โ๏ธImage Resizer
Resize images to exact dimensions or by percentage while maintaining aspect ratio.
๐ผ๏ธImage Format Converter
Convert images between JPEG, PNG, WebP, and BMP formats in your browser.
#imgImage to Base64
Convert images to Base64 encoded strings for embedding in HTML, CSS, or JSON.
๐งColor Picker from Image
Upload an image and click anywhere to pick colors with HEX, RGB, and HSL values.
Generators Tools
QR Code Generator
Generate QR codes from text, URLs, or any data. Download as PNG or SVG.
๐ญFake Data Generator
Generate realistic fake names, emails, addresses, and phone numbers for testing.
๐Privacy Policy Generator
Generate a privacy policy for your website or app with customizable sections.
๐Terms of Service Generator
Generate terms of service for your website or app with customizable clauses.
๐คrobots.txt Generator
Generate a robots.txt file to control how search engines crawl your website.
<m>Meta Tag Generator
Generate HTML meta tags for SEO, Open Graph, and Twitter Cards.
|||Barcode Generator
Generate Code 128 barcodes from text or numbers. Download as PNG.
Time & Date Tools
World Clock
View current time across multiple time zones around the world.
๐Timezone Converter
Convert times between any two time zones with daylight saving support.
โณCountdown Timer
Set a countdown timer to any future date and time with live updates.
โฑ๏ธStopwatch
A precise stopwatch with lap tracking, start, stop, and reset controls.
Security Tools
Design Tools
Color Palette Generator
Generate harmonious color palettes from a base color with HEX, RGB, and HSL values.
๐CSS Gradient Generator
Create beautiful CSS gradients with a visual editor. Copy the CSS code instantly.
โขCSS Box Shadow Generator
Create CSS box shadows with a visual editor. Adjust offset, blur, spread, and color.
๐จColor Code Converter
Convert colors between HEX, RGB, HSL, and CMYK formats instantly.
โฌAspect Ratio Calculator
Calculate and convert aspect ratios for images, video, and responsive design.