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Transform, convert, and optimize your data with our collection of free online tools. All processing happens locally in your browser for maximum privacy and speed.
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All tools run locally in your browser for instant results
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Built by developers, for developers with intuitive interfaces
Developer Tools Collection
Everything you need for data transformation, image processing, and development workflows. Choose a category or browse all tools.
Featured Tools
Most PopularPopular Tools
TrendingAll Tools
12 toolsCode Formatter
New
Format, minify, and validate code in 15+ programming languages with real-time syntax highlighting.
Text Diff Checker
New
Compare two texts and visualize differences with multiple view modes and advanced options.
Regex Tester
New
Test and debug regular expressions with real-time matching and capture groups.
Word Counter
Analyze text statistics including words, characters, and readability metrics.
Unix Timestamp Converter
New
Convert between Unix timestamps and human-readable dates with timezone support.
JSON Converter
Convert JSON to CSV, XML, YAML and other formats seamlessly.
YAML Converter
Transform YAML data between multiple formats with validation.
Image Resizer
Resize images with smart cropping and aspect ratio preservation.
URL Encoder/Decoder
Encode and decode URLs with support for component and full URL encoding.
Hash Generator
Generate secure hashes with MD5, SHA-1, SHA-256, and SHA-512 algorithms.
QR Code Generator
Create customizable QR codes with logo embedding and styling options.
Base64 Converter
Encode text and files to Base64 or decode Base64 back to original content with file upload support.