PDF Toolkit - Watermark & Merge/Split PRO

by nanhaner · Tools

Manifest V3 Free

View in Chrome Web Store Data as of 16 Oct 2026

离线高保真 PDF 批量处理引擎：水印 / 合并 / 拆分 / 自动捕获浏览器 PDF

Users

0 in 30 days

Rating

0.0 / 5

unchanged in 30 days

Ratings

0 in 30 days

Store rank

#305K

#247K among extensions

Version

3.3

updated 7 Aug 2026

Users

monthly, 2 months

Latest, 16 Oct 2026: 3 usersMove the mouse over the chart for any month

Ratings count

monthly, 2 months

Latest, 16 Oct 2026: 0 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 Toolkit - Watermark & Merge/Split PRO

This extension is fully client-side and local-only. All PDF processing runs in the browser using pdf-lib. No login, no backend, no data upload. Testing notes for reviewer: 1. Click extension icon → popup.html opens (drag-drop zone, watermark settings, start button) 2. Suggested test files: - One multi-page PDF (e.g. 3 pages) → expected: auto-detect "Split" - Two single-page PDFs → expected: auto-detect "Merge" - Mix (multi + single) → expected: modal to choose 3. Flow: drop files → click start → result PDFs saved to default download folder 4. downloads permission: only to save output PDFs (saveAs:false, conflictAction:"uniquify"), does NOT read other downloads 5. No account/registration required