Crop PDF Online Free
Trim uniform margins from every page. Use presets or set custom margins in points.
Drag & drop a PDF file here or click to browse
PDF documents up to 100MB · 100% Private, client-side only
Crop PDF margins from scanned documents
Crop PDF pages to remove excess white space from scans and exports. Apply uniform margins across every page using presets or custom values in points. Preview thumbnails update so you see exactly what will be trimmed before exporting.
This crop PDF online free tool processes files locally — no cloud upload required. Clean up scanned batches, tighten presentation slides, or crop PDF to specific size requirements before printing or sharing.
Fix orientation first with rotate PDF pages, then crop. For full restructuring try organise PDF pages or compress PDF to shrink the cropped output.
Trim PDF pages to a specific size
Auto crop white borders from PDF files
How to crop PDF margins
Trim whitespace and borders from every page of a PDF. Use margin presets or set custom crop values in points — shrink scanned documents and remove unwanted edges locally in your browser.
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Upload your PDF
Add the PDF you want to crop. Page previews help you judge how much margin to remove.
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Set crop margins
Choose a preset or enter top, right, bottom, and left margins in points to trim each page uniformly.
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Adjust until it looks right
Fine-tune margin values in the sidebar. The same crop applies to every page in the document.
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Download the cropped PDF
Click Crop PDF to apply the margins and save your trimmed document.
BrainyPDF processes every file locally in your browser. No uploads, no cloud storage, no account required — a privacy-first alternative to server-based PDF tools.
Free PDF cropper — frequently asked questions
Questions about cropping PDF margins online for free, trimming whitespace, and related document tools.
How do I crop a PDF for free online?
Upload your PDF, set top, right, bottom, and left margins in points or use a preset, then click Crop PDF. BrainyPDF trims every page uniformly — free and processed locally in your browser.
How do I crop PDF margins and white borders?
Increase margin values in the sidebar to cut excess whitespace around scans and photos. Preview thumbnails update so you see exactly what will be trimmed before exporting.
How do I crop PDF pages to a specific size?
Set custom margin values in points for top, right, bottom, and left edges. The same crop applies uniformly to every page, giving you consistent dimensions across the document.
Can I crop a PDF for free with no account?
Yes. BrainyPDF is a completely free PDF cropper with no sign-up, subscription, or daily limits. Crop as many documents as you need without watermarks.
Do I need an account to crop a PDF?
No account is required. Upload your PDF, set margin values, and download the cropped file immediately. No email registration or login wall.
Is cropping a PDF online safe — are files uploaded?
Your files are never uploaded. Cropping runs 100% client-side in your browser, so your PDF stays on your device throughout the process.
How do I crop a PDF on Mac or iPhone?
Open BrainyPDF in Safari or Chrome on your Mac, iPhone, or iPad, upload the PDF, and set margin values in the sidebar. Cropping happens locally with no app installation needed.
How do I crop a PDF without installing software?
Open BrainyPDF in any modern browser, drop your PDF, adjust margin presets or custom values, and download the trimmed result — no desktop app required.
Can I crop multiple pages in a PDF at once?
Yes. The same margin crop applies uniformly to all pages in the document. For per-page edits, combine with the free split PDF tool to process sections separately.
Will cropping a PDF reduce the file size?
Cropping removes visible content but may not dramatically shrink file size. For smaller files, use the free compress PDF tool after cropping.