Automatically prepare your documents for book printing or spiral binding. This tool intelligently injects a 1-inch gutter margin on the left side of odd pages and the right side of even pages.
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Mirror PDF Margins
100% offline tool to apply book gutter margins securely in your browser.
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Mirror PDF Margins
Prepare documents for double-sided printing or spiral binding by adding alternating gutter margins automatically.
1
Upload
Upload your book or manuscript PDF.
2
Mirror
The tool automatically adds a 1-inch gutter to alternating sides for binding.
3
Download
Download the print-ready file.
Key Features
Alternating Gutters
Automatically detects odd/even pages to inject margins correctly.
Print-Ready
Ensures spiral binding or hole-punching won't clip your text.
Offline Processing
Modify your manuscripts securely on your own device.
Frequently Asked Questions
A gutter margin is extra space added to the inside edge of a page so that spiral binding or hole-punching does not destroy the text.
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