Free Online Tools
Quick Tools Online offers a growing collection of free, fast, and privacy-friendly tools that run entirely in your browser.
Password Generator
Create strong, random passwords
UUID Generator
Generate random UUIDs
JSON Formatter & Validator
Format, minify & validate JSON
Base64 Encode / Decode
Encode & decode Base64 strings
Word & Character Counter
Count words, characters & more
Color Picker & Converter
Convert HEX, RGB & HSL colors
Lorem Ipsum Generator
Generate placeholder text
QR Code Generator
Create QR codes from text or URLs
URL Encode / Decode
Encode & decode URLs
Markdown Preview
Live Markdown editor & preview
Text Case Converter
Convert between text case styles
Unix Timestamp Converter
Convert Unix timestamps to dates
Number Base Converter
Convert between decimal, binary, octal & hex
HTML Entity Encoder / Decoder
Encode & decode HTML entities
Hash Generator
Generate SHA-256, SHA-1 & SHA-512 hashes
Diff Checker
Compare two texts & highlight differences
CSV to JSON Converter
Convert CSV data to JSON
JSON to CSV Converter
Convert JSON arrays to CSV
JWT Decoder
Decode & inspect JWT tokens
Regex Tester
Test & debug regular expressions
Slug Generator
Generate URL-friendly slugs
Line Tools
Sort, deduplicate & clean text lines
Binary / Hex Converter
Convert text to binary & hex
HTML Minifier
Minify HTML to reduce file size
Roman Numeral Converter
Convert integers to & from Roman numerals