Flatten PDF – Make Fillable Forms Non-Editable Free

Flatten fillable PDF forms and annotations into permanent read-only content. Print-and-scan in one step. Free online.

or drop a PDF here

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Private and short-lived: every upload is erased automatically 72 hours after you last open it.

Step by step

Flatten a PDF: step by step

Flatten fillable PDF forms and annotations into permanent read-only content. Print-and-scan in one step. Free online.

  1. 1

    Upload your PDF

    Drop in the fillable form or annotated document you want to lock down. The screen takes it from there — no settings are needed before the file is in. Files are deleted after 2 hours.

  2. 2

    Choose what to flatten

    Flatten everything renders every page to a picture — form fields, annotations and text all become part of the image; it is print & scan in one step. Flatten only form fields bakes the widgets — our filled form's “Dana Tester” came back as plain text — while text, images and annotations stay as they are. Behind More options sit the image-resolution steps.

    Choose an option: Flatten everything selected beside Flatten only form fields, above the Flatten PDF button and More options Image resolution: 75 dpi, 100 dpi, 150 dpi selected and 220 dpi, each with its question bubble
  3. 3

    Flatten & download

    Press Flatten PDF and the rebuilt file lands on the ready page — page count kept, Download right there. In our one-page membership form the fields came out uneditable either way: baked into the content in one mode, one flat image in the other.

    The ready page showing fl-demo.pdf — 51.4 KB · 1 page · deleted automatically after two hours — above the Download button
  • Fields become content

    Only form fields bakes the widgets — filled values included — so the file stops being fillable.

  • Rasterise everything

    Flatten everything turns each page into a picture — fields, annotations and text in one image.

  • Print & scan shortcut

    The everything mode is the modern photocopier — a flat, uneditable copy in one run.

  • Resolution on tap

    75, 100, 150 or 220 dpi behind More options — 150 is the balanced default.

  • Page count kept

    One page in, one page out — the document's structure is preserved.

  • Private by default

    No account, no watermark — and every file is automatically deleted after 2 hours.

More tool information

What the other tools do

Repair

Rebuilds a PDF that will not open: a broken cross-reference table, a truncated download or a file damaged by a failed save is reconstructed page by page into a new, readable document.

Compress

Shrinks a PDF by re-encoding its images at the quality and resolution you choose, dropping multimedia and optionally optimising embedded fonts. Text stays text — only pixels are traded.

Grayscale

Converts colour pages to grayscale or pure black for printing, with separate choices for text and images and an option to compress the images on the way through.

Split by text

Starts a new document every time the text at the top of a page changes. Statements, invoices and reports that repeat a heading per section separate themselves.

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