What is the USCIS document upload size limit?

Through the my.uscis.gov portal, each supporting document upload is limited to 6MB. For very large documents, compress each page to stay within this limit.

What file formats does USCIS accept?

USCIS accepts PDF, JPEG, PNG, and TIFF. PDF is recommended for multi-page documents such as financial statements or employment records.

Will compressing my PDF blur the text?

No, our algorithms specifically target image layers and structural bloat, preserving text sharpness so USCIS officers can clearly read your evidence.

Compress PDF for USCIS

Compress PDF files to the exact limit required by USCIS secure. Optimize scanned documents and certificates with zero quality loss.

Official Requirements for USCIS

To ensure your document is accepted by the United States official platform, it must meet the following strict criteria:

Maximum File Size: 6144 KB
File uploads via my.uscis.gov are limited to 6MB per document.
Accepted formats: PDF, JPEG, PNG, TIFF.
PDFs must not be encrypted or password-protected.
Ensure all text is legible — minimum 300 DPI for scanned documents.
Each supporting document must be a separate upload.

Disclaimer: These requirements are verified based on official guidelines. However, platform rules and guidelines can change. Always consult the official USCIS portal before final submission.

Common Rejection Reasons

File exceeds 6MB limit.
Password-protected or encrypted PDF.
Corrupted file that cannot be opened.
Missing pages or cut-off content due to incorrect scanning.

Official Guidelines Compliance

Compressing PDF Documents for USCIS Applications

The United States Citizenship and Immigration Services (USCIS) has stringent requirements for submitting digital evidence, including I-130 supporting documents or naturalization paperwork. Very often, multi-page scanned PDF documents exceed their strict file size ceilings. Our tool optimizes these PDFs by restructuring internal elements and downsampling scanned images while ensuring the text remains perfectly crisp and legible for immigration officers.

How to Use Compress PDF for USCIS

Follow these simple steps to ensure your file meets all requirements for USCIS.

Select your USCIS Evidence

Upload the PDF document you intend to submit to the USCIS portal.

Set the Size Ceiling

Adjust the compression level to ensure the final output file size falls well within the USCIS upload limits.

Download the Optimized PDF

Save the compressed document locally, ready for immediate upload to your USCIS account.

Frequently Asked Questions about USCIS

Answers to common questions regarding requirements for USCIS.

What is the USCIS document upload size limit? Through the my.uscis.gov portal, each supporting document upload is limited to 6MB. For very large documents, compress each page to stay within this limit.: Through the my.uscis.gov portal, each supporting document upload is limited to 6MB. For very large documents, compress each page to stay within this limit.
What file formats does USCIS accept? USCIS accepts PDF, JPEG, PNG, and TIFF. PDF is recommended for multi-page documents such as financial statements or employment records.: USCIS accepts PDF, JPEG, PNG, and TIFF. PDF is recommended for multi-page documents such as financial statements or employment records.
Will compressing my PDF blur the text? No, our algorithms specifically target image layers and structural bloat, preserving text sharpness so USCIS officers can clearly read your evidence.: No, our algorithms specifically target image layers and structural bloat, preserving text sharpness so USCIS officers can clearly read your evidence.