Developer Tools
Free, privacy-focused tools that run entirely in your browser
Markdown Editor
Write and preview Markdown in real-time. Split-view editor with live preview on the side.
Open Tool →Text Compare
Compare two texts side-by-side with highlighted differences. Perfect for code reviews and document comparison.
Open Tool →JSON Tools
Validate, format, and explore JSON. Includes validator, formatter, and interactive viewer with search.
Open Tool →PDF Compress
Reduce PDF file size directly in your browser. Choose from lossless, balanced, or maximum compression presets.
Open Tool →Markdown Editor
Write Markdown on the left, see the preview on the right. All processing happens in your browser.
Text Compare
Compare two texts side-by-side with highlighted differences. Perfect for code reviews and document comparison.
JSON Tools
Validate, format, minify, and explore JSON. All processing happens in your browser.
Enter JSON to validate, format, or explore
PDF Compress
Upload a PDF and reduce its file size directly in your browser. No data is sent to any server.
Smart multi-strategy approach. Text in compressed pages may become non-selectable. Expected savings: 30–70% for image-heavy PDFs.
Drag & drop your PDF here
or
Maximum file size: 100 MB