24 professional-grade tools running entirely in your browser.
Your files never touch a server — by design, not policy.
Last updated: March 2026
PDFStudio Pro is a fully offline web application. All PDF processing occurs entirely within your browser using JavaScript. No files, data, or personal information is ever transmitted to any server.
We do not collect any personal data. No files are uploaded. No analytics tracking is used. The Password Manager tool stores encrypted vault data in your browser's localStorage — this data never leaves your device.
This app displays minimal, non-intrusive ads via Adsterra to support development. Ads only appear in clearly labelled slots between tool sections, during the post-download screen, and on the optional "Support Us" page. No ads ever overlay or interrupt your workflow. Adsterra may use cookies per their own privacy policy.
PDFStudio Pro uses the following open-source libraries, all loaded from CDNs and running entirely in your browser: PDF.js and PDF-lib for PDF rendering and editing, JSZip for archive handling, and Tesseract.js for optical character recognition on scanned documents. No data processed by these libraries is ever sent to any server.
KiCK Nexus Forge · Developer: Kishor J R
PDFStudio is 100% free, offline, and ad-light. Visiting this page and viewing ads helps us keep building better PDF tools at no cost to you.
Merge, split, compress, sign, redact, convert — all offline, no uploads, no account required. The ads on this page keep it free forever.
All processing is offline · No uploads · No data collected
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