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MoguanPDF

Local PDF toolkit that never uploads files

What is MoguanPDF?

Every "we take your privacy seriously" page on an upload-based PDF site is a promise. MoguanPDF replaces the promise with a property: the processing engine is delivered with the page and runs inside your browser, so the file has no route off your machine. You can confirm it yourself — open DevTools, run a merge or a compression on a 50MB file, and the network panel stays quiet. 24 tools are covered, including local OCR (English and Chinese, in-browser Tesseract), Bates numbering, e-signatures, and password encryption. The optional AI features are explicit about the one exception: they send extracted text, never the document. Works offline as a PWA. Free, no signup.

Key features

Runs entirely in the browser with no file uploads.
Compresses, merges, splits, rotates, and edits PDFs.
Converts PDFs to Word, Excel, images, and long images.
Extracts text with OCR for Chinese and English scans.
Offers AI summaries, translation, and PDF Q&A.
Free classic tools with no login or installation.