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Crop PDF pages and trim white margins

Crop PDF pages to the part you want by dragging a box or typing margins, or let auto-trim cut the white space around the content. One crop fits every page, rotated or not. It works in your browser, so your file never leaves your device.

No watermarkFree, no sign-upRuns in your browserAccepts .pdf
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Quick answer

How do I crop a PDF for free?

Open Mergevanta's Crop PDF tool, choose your PDF and drag the corners of the box around the part you want to keep — or turn on Auto-trim white margins. Choose This page, All pages or a Page range, then press Crop PDF. It's free, adds no watermark and runs entirely in your browser.

Price
Free
Watermark
None
Sign-up
Not required
Accepts
.pdf
You get
A cropped .pdf
Processing
In your browser — files never leave your device
Files stored
Never
Works on
Windows, macOS, Linux, iPhone, iPad and Android

Updated

What you get

Why use Mergevanta to crop a PDF

Drag or type the crop

Drag the box on the page, or type the margins in millimetres for a precise crop you can repeat.

Auto-trim white margins

The tool finds the content on each page and trims the blank space around it — one size for every page, or each page on its own.

Right on rotated pages

Margins are measured on the page as you see it, so the same crop works on portrait, landscape and sideways pages.

Nothing is uploaded

Cropping happens in your browser, so the PDF never leaves your device, and text and images keep their full quality.

Step by step

How to crop a PDF with Mergevanta

  1. 1

    Press Choose PDF and pick the file you want to crop.

  2. 2

    Drag the corners of the box around the part to keep, or type the Top, Bottom, Left and Right margins.

  3. 3

    Or turn on Auto-trim white margins and choose Same for all pages or Each page separately.

  4. 4

    Under Apply to, choose This page, All pages or Page range.

  5. 5

    Press Crop PDF, then Download the cropped file.

FAQ

Crop PDF questions

No. Cropping changes which part of the page is shown and printed, so everything outside the box is hidden but still in the file — someone with a PDF editor could bring it back. To remove text or images for good, use Redact PDF.

It sets each page's CropBox — the visible area — to your box. When the box lies inside the page, it also sets the MediaBox, the page's full size, to the same area, so apps that ignore the CropBox show the cropped page too. Text, images and fonts are not changed.

It renders each page at low resolution, finds the outermost marks that aren't white and keeps the border you choose around them. Same for all pages uses one crop that fits every page's content; Each page separately trims each page to its own content, so sizes can differ. Blank pages are left alone.

Yes. Margins are measured from the edges as the page is shown, so “top” is always the top you see — even on pages saved sideways or with page boxes that don't start at zero.

No. Crop PDF runs entirely in your browser, including on phones, so the file never leaves your device. There's no size limit beyond your device's memory.

Yes, if you know its password: the tool asks for it and uses it only in your browser tab. The cropped copy is saved without a password, so use Protect PDF if it needs one again.

Hardly — the hidden part stays in the file, so the size barely changes. To shrink the file, run Compress PDF afterwards.

Keep going

Other tools in the studio

Redact PDF

Hide names, account numbers and anything else in a PDF so it can't be recovered.

Open

Rotate PDF

Rotate PDF online, free and with no watermark.

Open

Compress PDF

Make a PDF smaller for email, uploads and sharing.

Open