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Convert PDF to Letter

Put your document onto US Letter pages.

Processed locally in your browser. Your file is not uploaded to any server. How this works

  1. 01Add your file
  2. 02Convert PDF to Letter
  3. 03Download

Runs in your browser · nothing uploaded

About convert PDF to letter

US Letter is 8.5 by 11 inches, exactly 612 by 792 points, and it is the paper loaded in North American printers and assumed by most North American filing requirements. The typical conversion runs the other way from the A4 case: a document produced in Europe arrives as A4, which is narrower and taller than Letter, so the limiting dimension when fitting is height rather than width. The scaled page therefore reaches the top and bottom margins and leaves a little space at the sides. Each page is rebuilt at Letter dimensions with the original drawn onto it as an embedded form object under a proportional transform, so nothing is rasterised and text stays selectable. Doing this before submission matters where a tender or court filing specifies Letter: a print-time scale leaves the file itself still A4, and an automated check reads the media box, not the printout.

How to convert PDF to letter

  1. 01

    Load the A4 or oversized PDF

    Drop in the document that needs to be Letter.

  2. 02

    Select fit behaviour

    Scale to fit for general documents, or centre at original size to preserve exact dimensions.

  3. 03

    Convert

    Press the action button; every page is rebuilt at 612 × 792 points.

  4. 04

    Save the Letter document

    Download the result, which now reports Letter dimensions to printers and validators alike.

What this tool does

  • True Letter pages at 612 × 792 points written into each media box
  • Height-limited proportional scaling from A4, so nothing is cropped
  • Satisfies filing rules that inspect page dimensions rather than appearance
  • Text and vector art remain vector after conversion

Limitations worth knowing

Every PDF tool has constraints. Stating them plainly is more useful than discovering them halfway through your work.

  • A4 to Letter leaves narrow side margins because Letter is wider in proportion; this is inherent to the aspect-ratio difference.
  • Content is scaled uniformly, not reflowed, so line breaks and layout are unchanged.
  • Centre mode clips the top and bottom of an A4 page, which is taller than Letter.
  • Annotations and form widgets may not follow the page transform; flatten forms beforehand.

How your file is handled

This tool runs entirely inside this browser tab. When you choose a file, your browser reads it from your own disk and hands the bytes to JavaScript running on this page — no network request carries your document anywhere. You can confirm that yourself: open your browser’s developer tools, switch to the Network panel, and run the tool. You will see no upload.

Nothing is stored after the fact. Closing or reloading this tab discards the file, the result and everything derived from them, because none of it ever left your machine. Read how local processing works.

Questions about convert PDF to letter

Why are there side margins after converting from A4?

Letter is proportionally wider than A4, so fitting an A4 page is limited by height. The content fills top to bottom and leaves a small amount of space on each side.

Does a filing system see Letter after this conversion?

Yes. Each page's media box is rewritten to 612 × 792 points, which is what an automated dimension check reads — unlike print-time scaling, which leaves the file untouched.

Should I convert to Letter or Legal for a contract?

Letter unless the recipient specifically asks for Legal. Legal is the same width but three inches longer, so converting to it adds blank space rather than fitting more content.

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