Unify all pages in your PDF to a consistent format like A4 or Letter. Perfect for professional document preparation with custom scaling and orientation control.
Click to select a file or drag and drop
Your files never leave your device.
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Select or drag and drop the PDF document where you want to unify the page dimensions.
Select a standard format like A4 or Letter, or enter custom dimensions. Choose 'Fit' or 'Fill' to control how content scales.
Click the process button and download your perfectly standardized PDF instantly.
Analyze page size, orientation, and units.
Trim PDF margins and adjust page size visually.
Turn pages in 90-degree increments.
Reduce the file size of your PDF documents while maintaining the best possible quality.
Combine multiple PDFs into one file. Preserves Bookmarks.
It's essential for documents with mixed page sizes (e.g., scanned receipts mixed with A4 letters). It ensures your document looks professional and prints correctly on any standard paper printer.
'Fit' ensures the entire original page is visible inside the new dimensions, adding margins if necessary. 'Fill' expands the content to cover the whole page, which might result in some cropping at the edges.
Yes! Select 'Custom' from the target size menu and enter your preferred width and height in either inches or millimeters.
No! ZentoPDF re-embeds your original pages as high-quality vector objects. Your text remains searchable and images stay crisp.
Absolutely. Like all ZentoPDF tools, the fixing process happens entirely in your local browser. Your data never leaves your computer.