PDF Utilities
Letter to A4 & A4 to Letter PDF Converter
Resize PDF pages between US Letter and ISO A4 dimensions with proportional scaling. The file is not uploaded.
How to use Letter ↔ A4
- Choose a PDF file.
- Select the conversion direction (Letter to A4 or A4 to Letter).
- Download the resized PDF with balanced margins.
A practical example
Convert US Letter specifications to standard international A4 format before sharing with overseas colleagues.
What to check before using the result
Pages are scaled proportionally without distortion. Small margin width adjustments may occur.
Local processing
Inputs are processed in this tab. The site and some engines still load network assets.
Inspect before sharing
Review the output and keep the original file. Large files may take longer to process.
No account needed
No account, API keys, or watermarks required.