Code Diff Checker
Compare code and text differences
Side-by-side comparisonUnified diff view+4
Code & Development
Tools for developers and programmers Most tools process data locally, and server-processed tools identify uploads clearly.
21
Tools
100%
Privacy
Free
Always
Code & Development Tools
21 tools
QR Code Generator
Generate QR codes for URLs, text, and more
Multiple QR typesCustom colors and sizes+3
Flexbox Generator
Visual CSS flexbox layout generator
Visual flex container controlsLive preview with items+4
CSS Grid Generator
Visual CSS Grid layout generator
Visual grid designerGrid template areas+4
Markdown ↔ HTML Converter
Convert between Markdown and HTML
Live previewBidirectional conversion+4
.gitignore Generator
Generate .gitignore files for any project
20+ language templatesFramework-specific patterns+4
cURL to Code
Convert cURL commands to various programming languages
Support for 9+ languagesMultiple library options+4
GraphQL Query Builder
Visual GraphQL query constructor with schema support
Visual field selectionNested field support+4
JWT Decoder
Decode and inspect JWT tokens
Decode JWT structureView header and payload+4
Meta Tags & Hashtags Generator
Generate SEO meta tags and social media hashtags from content
SEO meta tagsOpen Graph tags+4
TypeScript Interface Generator
Convert JSON to TypeScript interfaces with smart type detection
Smart type detectionNested interface generation+4
JSON Formatter
Format, validate, and minify JSON data
Syntax highlightingError detection and reporting+4
NPM Script Builder
Build and manage package.json scripts visually
Visual script builderCommon script templates+4
Code Line Counter
Count lines of code with language detection and detailed statistics
Automatic language detectionMulti-file analysis+4
HTML & CSS Formatter
Beautify or minify HTML and CSS code
HTML beautify & minifyCSS beautify & minify+4
Regex Tester
Test regular expressions with live matching
Live pattern matchingSyntax highlighting+4
Base64 Encoder/Decoder
Encode and decode Base64 strings
Text encoding/decodingFile upload support+3
Web Manifest Generator
Create manifest.json for Progressive Web Apps
Complete manifest.json generationIcon size configurations+4
Sitemap Generator
Create XML sitemaps for better SEO
XML sitemap formatBulk URL import+4
Robots.txt Generator
Create robots.txt files for web crawlers
Preset templatesMultiple user agents+4
Open Graph Tags Generator
Generate Open Graph meta tags for social media previews
Open Graph tags generationTwitter Card support+4