How to Remove White Borders from Prepress PDFs Exported from CorelDRAW
Question details
The user needs to eliminate unexpected white borders that appear around their CorelDRAW design after exporting it as a prepress PDF.
- Product
- CorelDRAW / PDF
- Device & OS
- not provided
- Scenario
- Exporting a prepress PDF for edge-to-edge commercial printing.
- Observed behavior
- The exported PDF displays an additional narrow white border around the design, typically because the PDF reader is showing an empty BleedBox where the artwork does not extend past the TrimBox.
Check the document properties in your PDF reader to compare the reported page size against your original CorelDRAW canvas size; a larger PDF page size typically indicates that bleed margins have been included in the export.
Adjust Bleed Settings and Extend Artwork in CorelDRAW
Fix the issue at the source by setting the correct bleed dimensions and ensuring your artwork extends into the bleed area before exporting.
Prepress PDFs use different page boxes (MediaBox, TrimBox, BleedBox) to define the document boundaries. CorelDRAW canvas usually displays the TrimBox, but Acrobat often displays the BleedBox by default. If your artwork stops at the edge of the TrimBox (e.g., standard A4 size) but the PDF exports with a 3mm bleed (e.g., 216.3 x 303.3 mm), the extra 3mm area will appear as a white border because it is empty.
Open your design in CorelDRAW and verify your target page size (e.g., standard A4 at 210 x 297 mm).
Navigate to Layout > Document Options, and set the Bleed limit (commonly 3mm or 0.125 inches) according to your printer's specifications.
Scale your background images, shapes, and colors so they extend past the standard page border and fully cover the newly established bleed area.
Click File > Publish to PDF. Click 'Settings', navigate to the 'Prepress' tab, ensure 'Bleed Limit' is checked, and export the file.
Crop the Empty BleedBox Using a PDF Editor
If you only have access to the exported PDF and cannot edit the original CorelDRAW file, you can manually crop the white borders out.
Easily Crop PDF Borders Using WPS Office
If you receive a prepress PDF with unwanted white borders and do not have access to the original CorelDRAW file, WPS Office provides comprehensive PDF editing tools to quickly crop pages and adjust document margins.
- 1. Open your PDF: Launch WPS Office and open the exported prepress PDF document that contains the white borders.
- 2. Select the Crop Tool: Go to the 'Page' tab on the top ribbon and click on 'Crop Page'.
- 3. Adjust margins: Drag the cropping handles or manually enter the margin dimensions to exclude the empty bleed area.
- 4. Save the changes: Apply the crop to all pages and save the optimized PDF file to finalize the removal of the white borders.
Frequently Asked Questions
What are PDF page boxes and how do they affect my layout?
PDF page boxes define different boundaries of a document layout. The MediaBox is the physical medium size, the TrimBox is the final cut size of the printed document, and the BleedBox contains extra artwork that extends beyond the TrimBox to prevent accidental white edges when the paper is physically cut.
Why does my A4 CorelDRAW design export as a larger PDF file?
When exporting a prepress PDF, CorelDRAW often includes a bleed area (typically 3mm on each side). Because of this, an A4 page (210 x 297 mm) with a 3mm bleed will naturally export at a larger size (216.3 x 303.3 mm). If your artwork doesn't cover this extra area, it simply shows up as a white border.
Will these white borders ruin my commercial print job?
Yes. If your prepress PDF has an empty BleedBox (manifesting as white borders), the commercial printer might leave small white slivers on the edges of your final product after trimming. You must extend your actual artwork into the bleed area to ensure successful edge-to-edge printing.
Can I remove the bleed area entirely during the CorelDRAW PDF export?
Yes. In the CorelDRAW 'Publish to PDF' dialog, you can go to the 'Prepress' tab and uncheck 'Bleed Limit'. However, this is not recommended if you are sending the file for edge-to-edge commercial printing, as professional printers require a bleed margin.
