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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PDF guides & know-how
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Guides, tutorials and comparisons on private PDF
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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Tutorials
Convert a PDF to self-contained HTML in the browser
Turn a PDF into a standalone HTML page readable without a PDF reader — local generation, no upload, no server.
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Tutorials
Convert a PDF to images (PNG, JPG, TIFF) without uploading it
Turn PDF pages into PNG, JPG or TIFF images in the browser: use cases, format and resolution choices, no upload.
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Tutorials
Repair a corrupted PDF without uploading it: what's recoverable
A PDF that refuses to open isn't necessarily lost. How two-pass local repair rebuilds the file structure — and what it can't save.
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Tutorials
Scan documents to PDF without sending them anywhere
Turn photos or captures of paper documents into a clean PDF, in the browser — no third-party app, no cloud upload.
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Tutorials
Split a book scan's double pages into two separate pages
Split two-up scanned pages in half to get a one-page-per-sheet PDF — in the browser, no upload.
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