Install our app 🪄 click on the icon in the top right of the address bar.
New tools and updates added regularly. See what's popular →

PDF Tools on Matrixat: Merge, Split, and Protect Files Privately

Created on 4 July, 2026Tool guides

Browser-based PDF merge, split, compress, watermark, and password tools — files never leave your device.

PDF workflows usually mean desktop bloatware or cloud uploads with vague privacy policies. Matrixat's PDF category processes documents locally via pdf-lib and PDF.js — merge multiple files, extract page ranges, rotate pages, add watermarks, or apply passwords without transmitting bytes to a server.

Everyday tasks

Merge PDF combines invoices before sending to accounting. Split PDF pulls appendix pages for legal review. JPG to PDF turns signed scans into a single attachment. Protect PDF adds a shared secret before email distribution.

Limits and performance

Very large files (>100 MB) may stress mobile browsers; desktop Chrome and Firefox handle typical office documents smoothly. Guest users receive five operations per tool daily; free accounts get fifty; Pro subscribers enjoy unlimited use.

Security note

Local processing reduces leak risk but does not replace redaction policies for classified material. Clear downloads from shared downloads folders after use.

Open the PDF toolkit at matrixat.net/pdf-tools.