Add bleed to any PDF without touching the original file
Extend every page to 0.125in, 3mm, or 5mm of bleed, keep the trim edge exactly where you placed it, and download a print-ready PDF in seconds.
Free to use · Files process in your browser · No signup to try
Process — 003 steps
How it works
No installs, no plugins. The tool reads your PDF, extends the edge artwork into a new bleed margin, and rewrites the page boxes so your printer's RIP sees the change correctly.
Upload your PDF
Drop in the export from InDesign, Illustrator, Canva, or wherever your file was built. It stays in the browser tab, not on a server.
Set your bleed amount
Choose 0.125in, 3mm, 5mm, or a custom value per side. The tool mirrors edge pixels outward to fill the new margin.
Download the print-ready file
Export with correct TrimBox and BleedBox metadata so the trim line stays exactly where you designed it.
Capabilities
What the tool actually does
Built for the specific job of getting a finished PDF ready for a print run — not a general-purpose PDF editor.
Edge-extend, not scale
Mirrors or stretches the outer pixel strip into the bleed zone instead of shrinking your whole page to fake a margin.
Correct PDF page boxes
Writes MediaBox, TrimBox, and BleedBox values your printer's imposition software and RIP expect to see.
Region presets
0.125in for US work, 3mm for EU/UK/Japan, and 5-10mm presets for large-format posters and banners.
Multi-page support
Applies the same bleed treatment consistently across every page of a booklet, catalog, or multi-page flyer set.
Browser-based processing
Your file is processed locally in the browser tab rather than uploaded to a remote server to be edited.
No account required to try
Open the tool and run a file through it immediately — no signup wall before you can see the result.
Reference tool
Bleed spec lookup
Pick your region and product to get the recommended bleed, safe margin, and the final untrimmed size for a given trim dimension.
Values are common industry defaults, not a guarantee — always confirm bleed and safe-margin requirements against your specific printer's spec sheet before submitting a job.
FAQ
Common questions about PDF bleed
What does adding bleed to a PDF actually do?
Adding bleed extends the artwork on every page past the trim edge, usually by 0.125 inch (US) or 3mm (EU/UK/Japan). The printer's blade trims through that extended area, so any tiny cutting variance never exposes a white sliver at the edge of the page.
How much bleed does my PDF need?
Follow your printer's spec sheet first. Absent that, use 0.125in for US commercial print, 3mm for EU/UK/Japan, and 5-10mm for large-format work like posters and banners viewed close up or printed on less precise equipment.
Can this tool add bleed without the original design file?
Yes. The tool works directly on the PDF, extending the existing page content into the bleed area by mirroring the edge pixels outward. It cannot invent new artwork, so results are best when the original design already has some margin to draw from.
Will adding bleed distort my design?
No. The tool only extends the outer edge strip outward into the new bleed area; it does not scale, stretch, or resize the page content you already placed inside the trim area, so proportions and layout stay intact.
Does the file stay on my computer?
Processing happens in your browser tab, so your PDF is not uploaded to a server to add the bleed. This makes the tool safe for client work, unpublished manuscripts, and anything else you would rather not send to a third party.
Do I still need crop marks after adding bleed?
Most commercial printers add crop marks automatically from the PDF's TrimBox during their own prepress step. Check your printer's submission guide — some ask you to include marks yourself, others ask you not to, since duplicate marks can confuse imposition software.
What file size or page limits apply?
The tool runs in your browser, so practical limits come from your device's memory rather than a fixed cap. Very large multi-hundred-page files or huge scanned images will process more slowly than a typical business card or flyer PDF.
From the blog
Prepress reference guides
Deeper reading on bleed sizing, crop marks, and the tools where bleed most often goes missing.
How to Add Bleed to a PDF (Without Recreating the File)
Three real methods — regenerate from source, edge-extend in a tool, or scale — and why only two of them actually work.
Read the guide → ReferenceBleed Size Guide: 3mm, 0.125 Inch, or 5mm?
A product-by-region bleed and safe-margin table, plus the math for how a trim size grows once bleed is added.
Read the guide → CanvaHow to Add Bleed to a Canva PDF Export
Why a standard Canva PDF export has no bleed, and the fix using Canva Print or an external bleed tool.
Read the guide → PrepressCrop Marks and Bleed: What Printers Actually Require
How marks and bleed relate, why marks inside the bleed area ruin a job, and a print-ready PDF checklist.
Read the guide →