50+ Free Online Tools
Developer tools, text utilities, converters, generators, calculators and more. No signup required. 100% free. Works instantly in your browser.
Developer Tools
JSON Formatter & Validator
Format, beautify and validate JSON data online. Instant formatting with syntax highlighting and error detection.
Color Picker & Converter
Pick colors and convert between HEX, RGB, HSL formats. Free online color tool for designers.
Hash Generator (MD5, SHA-256)
Generate MD5, SHA-1, SHA-256, SHA-512 hashes from text. Free online hash calculator.
Regex Tester & Debugger
Test and debug regular expressions with real-time matching. Free online regex tool with highlighting.
CSS Minifier
Minify CSS code to reduce file size. Remove whitespace, comments and optimize your stylesheets.
HTML Formatter & Beautifier
Format and beautify messy HTML code with proper indentation. Free online HTML formatter.
JavaScript Minifier
Minify JavaScript code to reduce file size. Remove whitespace, comments and shorten variable names.
SQL Formatter & Beautifier
Format and beautify SQL queries with proper indentation. Free online SQL formatter tool.
JWT Decoder & Inspector
Decode and inspect JSON Web Tokens. View header, payload and verify JWT structure.
Cron Expression Parser
Parse and explain cron expressions in human-readable format. Test cron schedules online.
Text Tools
Word Counter & Character Counter
Count words, characters, sentences and paragraphs in your text. Free online word counter tool.
Text Case Converter
Convert text to uppercase, lowercase, title case, sentence case and more. Free online text transformer.
Text Diff Checker
Compare two texts and find differences. Free online diff tool with highlighted changes.
Text Repeater
Repeat any text multiple times with custom separator. Free online text repeat tool.
Remove Duplicate Lines
Remove duplicate lines from text instantly. Sort, deduplicate and clean up text lists.
Reverse String & Text
Reverse text, words or lines instantly. Free online string reverse tool.
Converter Tools
Base64 Encoder & Decoder
Encode text to Base64 or decode Base64 to text instantly. Free online Base64 conversion tool.
URL Encoder & Decoder
Encode or decode URLs and query strings online. Free URL encoding/decoding tool.
Markdown to HTML Converter
Convert Markdown text to HTML code instantly. Free online Markdown converter with live preview.
Unix Timestamp Converter
Convert Unix timestamps to human-readable dates and vice versa. Free epoch converter.
JSON to CSV Converter
Convert JSON data to CSV format instantly. Free online JSON to CSV converter with download.
HTML Entity Encoder & Decoder
Encode special characters to HTML entities or decode them back. Free online HTML entity tool.
Text to Binary Converter
Convert text to binary code and binary to text. Free online binary translator.
CSV to JSON Converter
Convert CSV data to JSON format instantly. Free online CSV to JSON converter.
HEX to Decimal Converter
Convert between hexadecimal, decimal, octal and binary number systems. Free number converter.
YAML to JSON Converter
Convert YAML to JSON and JSON to YAML instantly. Free online YAML converter.
Generator Tools
Strong Password Generator
Generate secure, random passwords with custom length and character options. Free online password generator.
QR Code Generator
Generate QR codes for URLs, text, email and more. Free online QR code maker with download option.
UUID Generator
Generate random UUIDs (v4) instantly. Bulk UUID generation with copy support.
Lorem Ipsum Generator
Generate placeholder text for your designs. Choose paragraphs, sentences or words.
URL Slug Generator
Generate clean URL slugs from any text. SEO-friendly slug creator with special character handling.
Meta Tag Generator
Generate SEO meta tags for your website. Title, description, Open Graph and Twitter card tags.
Random Number Generator
Generate random numbers within a range. Supports integers, decimals and multiple numbers.
Emoji Picker & Search
Search and copy emojis easily. Browse by category or search by keyword. Free emoji tool.
Color Palette Generator
Generate beautiful color palettes for your designs. Complementary, analogous and triadic schemes.
Finance Tools
Mortgage Calculator
Calculate monthly mortgage payments, total interest and amortization schedule. Free mortgage calculator.
ROI Calculator
Calculate Return on Investment percentage and net profit. Free online ROI calculator.
Compound Interest Calculator
Calculate compound interest with monthly contributions. See growth over time with charts.
Tip Calculator
Calculate tips and split bills easily. Custom tip percentage with per-person breakdown.
Salary Calculator
Convert between hourly, daily, weekly, monthly and yearly salary. Free income calculator.
Discount Calculator
Calculate discount price and savings. Find the final price after percentage or fixed discount.
Image Tools
Image Compressor
Compress JPEG, PNG and WebP images online. Reduce file size without losing quality.
Image Resizer
Resize images online by pixels or percentage. Maintain aspect ratio with free image resizer.
Image to Base64 Converter
Convert images to Base64 encoded strings. Generate data URIs for embedding images in code.
Image Cropper
Crop images online with custom dimensions. Free aspect ratio presets for social media.
Math Tools
Percentage Calculator
Calculate percentages easily. Find percentage of a number, increase, decrease and difference.
Age Calculator
Calculate your exact age in years, months, days, hours and minutes from your birth date.
BMI Calculator
Calculate your Body Mass Index. Find out if you are underweight, normal, overweight or obese.
Byte Converter
Convert between bytes, KB, MB, GB, TB and PB. Free online data size converter.
Speed Unit Converter
Convert between mph, km/h, m/s, knots and more. Free online speed converter.
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