Free Developer Tools
A collection of free, browser-based tools to help developers optimize web performance and productivity. All tools run directly in your browser with privacy in mind - no server-side processing of your data.
PDF Tools
Tools for working with PDF documents
PDF Merger
Merge multiple PDF files into a single downloadable file. Upload multiple PDFs and combine them in the order you choose.
Add Text to PDF
Overlay custom text on uploaded PDF files. Perfect for adding watermarks, annotations, or signatures to documents.
Text Utilities
Powerful tools for text processing and analysis
Word & Character Counter
Count words, characters, paragraphs, and estimate reading time. Perfect for writers, students, and content creators.
Text to Speech
Convert text to spoken audio using advanced browser speech synthesis. Listen to your content or create audio files.
Case Converter
Convert text between different cases: UPPERCASE, lowercase, Title Case, camelCase, and more formatting options.
Developer Utilities
Essential tools for developers and programmers
Base64 Encoder/Decoder
Encode and decode Base64 strings or file contents. Supports both text and file input with instant results.
JSON Formatter & Validator
Format, validate, and beautify JSON data. Includes syntax highlighting, error detection, and minification options.
UUID Generator
Generate UUIDv4 strings with one click. Perfect for database primary keys, API tokens, and unique identifiers.
Web & Branding
Tools for website optimization and branding
Meta Tag Generator
Generate SEO-optimized meta tags for websites including Open Graph, Twitter Cards, and standard HTML meta tags.
Favicon Generator
Upload an image and download .ico and .png favicon files in multiple sizes. Perfect for website branding.
Image Tools
Tools for optimizing and working with images
Image Compressor
Compress JPG, PNG, and WebP images with client-side processing. Reduce file size while maintaining quality for faster websites.
Image Converter
Convert images between JPG, PNG, and WebP formats directly in your browser. No uploads - all processing happens locally.
Audio Tools
Tools for manipulating and optimizing audio files
Audio Merger & Compressor
Merge multiple audio files into one and compress the output. Upload MP3, WAV files and combine them with adjustable quality settings.
Marketing Tools
Tools for digital marketing and promotional materials
QR Code Generator
Generate customized QR codes instantly for URLs, text, or contact information. Customize colors and download as PNG files.
Miscellaneous
Additional utility tools for everyday tasks
Password Generator
Create strong, secure passwords with customizable options. Includes password strength meter and multiple character sets.
Unit Converter
Convert between different units of measurement including length, weight, volume, temperature, and more.
Why Use These Tools?
Privacy-Focused
All processing happens directly in your browser. Your files and data never leave your computer, ensuring complete privacy and security.
Performance Optimized
These tools are built with modern web technologies and optimized for speed and efficiency, providing a smooth user experience even with large files.
Always Free
All tools are completely free to use with no limits or hidden fees. They're my contribution to the developer community.
Open Source
The code for these tools is available on my GitHub. Feel free to contribute, suggest improvements, or use them as a learning resource.