Performs pixel-level and text-level comparison of two PDF files, highlighting every difference with color-coded overlay annotations. Everything runs locally in your browser — nothing is uploaded.
Add a subtle color tint to all pages in a PDF document. Upload your PDF and pick a background color.
Extracts every embedded raster image from a PDF as separate JPEG or PNG files, preserving original resolution and color space. Everything runs locally in your browser — nothing is uploaded.
Add custom text labels, annotations, and captions directly onto PDF pages. Choose font size, color, and position. Perfect for signing, marking up, or adding notes to documents.
Compare two JSON objects side-by-side with color-coded key-level differences. Everything runs locally in your browser — nothing is uploaded.
Generate harmonious color palettes from a base color. Includes complementary, analogous, and triadic color schemes for designers. Everything runs locally in your browser — nothing is uploaded.
Compare PDF Files lets you performs pixel-level and text-level comparison of two PDF files, highlighting every difference with color-coded overlay annotations. Everything runs locally in your browser — nothing is uploaded.. It works on any device with a modern web browser.
Performs pixel-level and text-level comparison of two PDF files, highlighting every difference with color-coded overlay annotations. Everything runs locally in your browser — nothing is uploaded. It runs entirely in your browser — no software installation or data uploads required.
Upload a file from your device. Drag and drop or use the file picker to select your document.
Yes. After the initial page load, Compare PDF Files runs entirely on your device with no internet connection needed. All processing is done locally.
Performs pixel-level and text-level comparison of two PDF files, highlighting every difference with color-coded overlay annotations. Everything runs locally in your browser — nothing is uploaded. All processing runs locally in your browser — no files are uploaded to any server.
Yes. Your PDFs never leave your device. All operations happen in-browser using pdf-lib or similar local libraries.
Standard PDF files (versions 1.0–2.0). Encrypted or password-protected files may need to be unlocked first.
No hard limits, but very large PDFs (500+ pages or 100MB+) may process slower on low-memory devices.
PDF Info & Analysis
View document metadata, page dimensions, extract all text content, and export structured data as JSON from any PDF. Essential for document auditing and compliance.
PDF OCR (Scanned Docs)
Extracts searchable text from scanned PDF documents and image-only PDFs using optical character recognition with language auto-detection. Everything runs locally in your browser — nothing is uploaded.