Change the page size of your PDF document. Choose a preset or set custom dimensions.
Your file stays private. All page resizing happens locally in your browser — no uploads, no servers. Change page dimensions in seconds.
Change the page size of PDF documents online for free. Choose from standard formats like A4, Letter, Legal, A3, or set custom dimensions. Perfect for resizing documents to meet submission requirements, printing standards, or formatting needs.
All processing happens locally in your browser — no uploads, no servers, complete privacy. Note that page content is not scaled; only the page boundaries are adjusted.
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The resize tool changes the page size of a PDF to a standard format or to custom dimensions you enter yourself. The tool runs in the browser and adjusts the page boundaries without scaling or stretching the content, so text and images keep their original proportions. This is the fastest way to make a document match a required paper size for printing or for a submission system that rejects non-standard files, and it takes under a minute for most documents.
Eight common formats are available as presets: A4, Letter, Legal, A3, A5, Tabloid, Executive, and Folio. Each preset shows its dimensions in points, the standard unit of measurement inside a PDF, which makes it easy to match a written specification without guessing. If none of those fit your need, switch to Custom Size and enter a width and height in points, with 50 as the minimum for either dimension. That covers everything from a compact label layout to an oversized print sheet.
Because the whole operation happens in your browser, there is no wait for a server round trip and no chance of the file being intercepted on the way. The preset buttons double as a reference, showing the point dimensions next to each label so you can confirm the target before you run the job.
Because the content is never stretched, the visual quality of text and images is exactly the same before and after a resize. The tradeoff is geometric: a page that is much larger than its content will show blank space, and a page that is much smaller will be cropped, so choose the target with the actual layout in mind.
Typical situations include converting a document to Letter for an American publisher or to A4 for a European printer, matching a submission portal that requires a specific format, and preparing files for binding on a particular paper stock. Because the tool changes boundaries rather than scaling, it works best on documents that already fit comfortably inside the new size. If the document is meant for screen viewing rather than paper, resizing is usually unnecessary, since most viewers adapt page display to the window automatically.
Pro tip
If the goal is removing excess whitespace rather than changing the paper size, use a crop tool instead, since it trims the margins without resizing the usable area. Reach for resize when you specifically need to match a format such as A4 or Letter.
Resizing runs locally with libraries that execute in the browser, and the file is never uploaded to a server, which keeps the tool appropriate for documents with personal information that should not be handled remotely. Free users can resize files up to 10 MB with a short wait before each run; Premium subscribers get a 100 MB limit and no wait, which is convenient for large design files and long reports that would otherwise be capped by the free tier.