All Tools
Browse our complete collection of free online tools. Search or filter by category.
QR Code Generator
Create QR codes instantly from any text or URL. Download as PNG or copy to clipboard.
Password Generator
Generate strong, secure random passwords with customizable options.
UUID Generator
Generate cryptographically secure v4 UUIDs instantly.
Timestamp Converter
Convert between Unix timestamps and human-readable dates instantly.
URL Encoder/Decoder
Encode or decode URLs and query parameters with full Unicode support.
Sentence Length Checker
Analyze your text for sentence length, readability, and writing clarity metrics.
Word Counter
Count words, characters, and get reading/speaking time estimates instantly.
Text Case Converter
Convert text between uppercase, lowercase, title case, and sentence case.
Slug Generator
Convert titles and text into clean, URL-friendly slugs for SEO.
Lorem Ipsum Generator
Generate placeholder text with customizable paragraphs, sentences, or words.
Remove Duplicate Lines
Remove duplicate lines from text while preserving original order.
Sort Lines
Sort lines of text alphabetically or numerically, ascending or descending.
Find and Replace
Find and replace text with regex support and case-sensitive matching.
Text Reverser
Reverse text by characters, words, or lines instantly.
Line Number Editor
Add or remove line numbers from text with customizable formatting.
Character Frequency Counter
Analyze the frequency of each character with counts, percentages, and visual bars.
Text to Binary Converter
Convert text to binary, hexadecimal, or decimal representations and back.
Meta Tag Generator
Generate SEO-optimized meta tags including Open Graph and Twitter Cards.
Keyword Density Checker
Analyze keyword frequency and density to optimize your content for SEO.
Color Converter
Convert colors between HEX, RGB, and HSL formats instantly.
JSON Formatter
Format, validate, and minify JSON data with syntax highlighting.
Base64 Encoder/Decoder
Encode text to Base64 or decode Base64 strings back to plain text.
Markdown Preview
Write Markdown and see it rendered as HTML in real-time with GFM support.
Regex Tester
Test and debug regular expressions in real-time with match highlighting and capture groups.
Hash Generator
Generate SHA-1, SHA-256, SHA-384, and SHA-512 hashes from any text instantly.
CSS Unit Converter
Convert between CSS units like px, rem, em, pt, vw, vh, and % instantly.
Diff Checker
Compare two text inputs and highlight the differences line by line.