PDF CORE STUDIO — Offline PDF Toolkit icon

PDF CORE STUDIO — Offline PDF Toolkit

Manifest V3 Free
View in Chrome Web Store Data as of 17 Oct 2026

All-in-one offline PDF toolkit by Veroman. Convert, merge, split, compress, sign, organize & lock PDFs 100% privately in local RAM.

Users
11
+2 in 30 days
Rating
5.0 / 5
unchanged in 30 days
Ratings
1
0 in 30 days
Store rank
#187K
#156K among extensions
Version
1.3.2
updated 25 Sep 2026

Users

monthly, 2 months
0611Aug 2026Oct 2026Oct 2026
Latest, 17 Oct 2026: 11 usersMove the mouse over the chart for any month

Ratings count

monthly, 2 months
001Aug 2026Oct 2026Oct 2026
Latest, 17 Oct 2026: 1 ratingsMove the mouse over the chart for any month

The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.

About PDF CORE STUDIO — Offline PDF Toolkit

PDFCore is the ultimate 100% offline, privacy-first PDF toolkit for Chrome. Manage, convert, merge, split, compress, protect, and edit your PDF documents directly inside your browser—with ZERO server uploads or network latency. 🔒 100% PRIVATE & OFFLINE PROCESSING Unlike conventional online PDF converters that send your confidential documents to external servers, PDFCore processes all files locally on your computer using WebAssembly and client-side JavaScript. Your files never leave your machine! ⚡ CORE FEATURES & TOOLS • 🔗 Merge PDF: Combine multiple PDF documents into a single organized file with custom page re-ordering. • ✂️ Split PDF: Extract specific pages or split large PDF files into separate documents in seconds. • 🖼️ Image to PDF: Convert PNG, JPG, WebP, and BMP images into clean, formatted PDF documents. • 📝 Text & HTML to PDF: Instantly generate PDF documents from plain text files or raw web HTML code. • 🔒 Encrypt & Protect PDF: Add strong AES password protection to safeguard sensitive PDFs against unauthorized opening. • 💧 Watermark PDF: Apply custom text watermarks with adjustable position, opacity, and rotation across all pages. • 🔄 Rotate & Organize: Rotate PDF pages 90°, 180°, or 270° clockwise/counter-clockwise with real-time preview. • 🌐 Webpage to PDF: Capture active browser tabs or full webpages straight into formatted PDF files. 🌟 WHY CHOOSE PDFCORE? 1. No File Size Limits: Process large documents without file size caps or queue waiting times. 2. Complete Offline Operation: Works seamlessly without an internet connection or Wi-Fi. 3. Dark & Light Mode Support: Elegant UI designed to match your browser theme preference seamlessly. 4. Fast & Lightweight: Zero background resource consumption when not in active use. 🎯 WHO IS PDFCORE FOR? • Professionals handling sensitive financial, medical, or legal documents. • Students & Researchers organizing lecture notes and research papers. • Developers & Designers needing instant client-side conversion tools. Protect your privacy today with PDFCore—the safer, faster, offline PDF solution!

Growth

WindowUsersChangeRatingsRating
7 days−2−15.4%00.00
30 days+2+22.2%00.00

Version history

5 versions recorded
1.3.225 Sep 2026
1.3.16 Sep 2026
1.3.018 Aug 2026
1.2.217 Aug 2026
1.0.014 Aug 2026

Details

Category
Workflow & Planning
First seen
14 Aug 2026
Size
1.1 MB
Languages
de, en, es, fr, pt-BR, ar, ja
Pricing
Free
Privacy policy
pdfcorestudio.com
Support
pdfcorestudio.com
Extension ID
hmllngbgkbffjinkdjcfcknclijnfcii

Permissions and risk

Moderate riskimpact 1, likelihood 3
Permissions
activeTabstoragedownloadsscriptingcontextMenus

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