Free Online Tools
Fast, simple tools for developers. No sign-up required.
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Text Converter
Convert text between uppercase, lowercase, title case, and sentence case
JSON Formatter
Format, validate, and minify JSON with syntax highlighting and error detection
UUID Generator
Generate cryptographically random UUIDs (v4) and copy to clipboard instantly
Password Generator
Create strong random passwords with custom length, symbols, and strength indicator
2FA Generator
Manage TOTP two-factor authentication codes with a live countdown timer
Base64 Encoder/Decoder
Encode text or data to Base64 or decode Base64 strings back to plain text
URL Encoder/Decoder
Percent-encode URLs or decode URL-encoded strings back to readable text
Color Converter
Convert colors between HEX, RGB, HSL, and HSV formats with a color picker
Hash Generator
Generate MD5, SHA1, SHA256, and SHA512 hashes for any text string
Timestamp Converter
Convert Unix timestamps to readable dates, or any date to a Unix timestamp
CSV to JSON
Convert CSV data to clean JSON format instantly — paste or upload a file
Regex Tester
Test and debug regular expressions with live match highlighting and flags
Markdown to HTML
Convert Markdown to HTML with live preview and support for all common syntax
Code Beautifier
Format and beautify JSON, HTML, CSS, and JavaScript with proper indentation
Text Statistics
Analyze text for word count, character count, reading time, and keyword density
Case Converter
Convert text to camelCase, snake_case, kebab-case, PascalCase, and more
JWT Decoder
Decode and inspect JWT header, payload, and signature without a server
Unit Converter
Convert between length, weight, temperature, volume, area, and speed units
QR Code Generator
Generate downloadable QR codes from any text or URL instantly
Email Validator
Validate email addresses against RFC format rules, individually or in bulk
Text Compressor
Compress and decompress text using DEFLATE/LZ algorithms in the browser
PDF Viewer
View PDF files in the browser by uploading a file or entering a PDF URL
Calculator
Fast in-browser calculator for arithmetic and percentages, with keyboard support
Prime Checker
Check if a number is prime and see its full list of factors instantly
Quadratic Solver
Solve quadratic equations and see real or complex roots with working shown
IP Tools
Detect your public IP, look up IP geolocation, and measure HTTP latency
Number Base Converter
Convert numbers between binary, octal, decimal, and hexadecimal with bit view
Diff Viewer
Compare two text blocks side by side and highlight every addition and deletion
Lorem Ipsum Generator
Generate Lorem Ipsum placeholder text by paragraph, sentence, or word count
Email Template Creator
Create, preview, and export email templates with live {{variable}} substitution
Chart Creator
Render bar and line charts from comma-separated or JSON numeric data
Data Statistics
Calculate mean, median, mode, and standard deviation from numeric data
Network Speed Tester
Measure your download speed, upload speed, and ping latency instantly
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