Tutorials
Flatten a PDF: lock in a filled form or annotations
Turn fields and annotations into permanent content: when and why to flatten a PDF before sending it, locally in the browser.
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PDF guides & know-how
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Guides, tutorials and comparisons on private PDF
Tutorials
Fill and sign a PDF for free — no account, no upload, no Adobe
Adobe retired the Fill & Sign app: here's how to fill a PDF form and place your signature right in the browser — no account, no file upload, honest limits included.
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Tutorials
Convert a PDF to TIFF: archiving, fax and print workflows
Some systems require TIFF — fax, desktop publishing, archives. Convert each page to uncompressed RGB TIFF, at 72, 150 or 300 DPI, locally.
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Tutorials
Sign a PDF without printing: end the print-sign-scan loop
Print, sign, scan: fifteen minutes, a degraded file, and nothing gained legally. Here's how to sign a PDF directly — on Mac, Windows, mobile or in the browser, no upload.
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Tutorials
Detect & Redact PDF Personal Data Without Uploading
Detect and redact personal data in a PDF without uploading it: IBAN, cards and emails flagged locally, pages rasterized. Free, in-browser.
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Tutorials
Remove a PDF password: local unlocking without upload
Bank statements and protected payslips: remove the password from a PDF you can already open, locally, to archive or merge it.
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GDPR/Legal
Factur-X E-Invoices: Receive, Read and Verify Locally
E-invoice reception is mandatory in France since September 2026: read a Factur-X (PDF/A-3 + EN 16931 XML), extract the XML and check the invoice locally — it never leaves your device.
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Tutorials
Create a fillable PDF form: interactive fields with no upload
Turn a static PDF into a form anyone can fill on screen: add text fields and checkboxes, locally in the browser.
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Tutorials
Split a PDF Every X Pages: Fixed-Length Chunks, No Upload
Repeated 4-page forms, statements by period, sending in batches: every-N-pages splitting breaks a PDF into blocks of identical length.
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