Tutorials
Print multiple PDF pages per sheet (2-up, 4-up, n-up)
Group several PDF pages onto a single sheet to save paper — n-up layout in the browser, no upload.
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PDF guides & know-how
Category: Tutorials
Tutorials
OCR a PDF without uploading — free, local, private
Run OCR on a scanned PDF without uploading it: Tesseract WebAssembly in your browser, 5 languages, .txt and searchable PDF output. Free, no account, honest limits.
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Tutorials
Optimize a PDF for the web: fast display and reduced size
Prepare a PDF for online distribution: progressive loading and reduced size, right in the browser — no server.
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Tutorials
Password-protect a PDF without sending it to a server
Encrypt a PDF with a password in the browser, or remove a protection you own — without transmitting the document or the password.
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Tutorials
PDFs and administrative procedures: prepare a complete file without exposing your documents
Merge, compress and finalize an administrative file in PDF — ID, proof of address, forms — without sending your documents to a server.
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Tutorials
Attach files to a PDF — and extract them — without a server
Embed files inside a PDF (Factur-X invoices, supporting documents, sources) or extract them, in the browser — no upload.
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Tutorials
Add headers, footers and page numbers to a PDF locally
Insert headers, footers and page numbers into a PDF right in the browser — no upload, no account.
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Tutorials
PDF presentation mode: fullscreen & page transitions
Turn a PDF into a slideshow: fullscreen opening and page transitions written into the file. Free, no upload, no account — in your browser.
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Tutorials
Convert a PDF to grayscale: save color ink
Turn a PDF to grayscale for economical printing or homogenization — in the browser, no upload.
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