What is the HMRC upload size limit?

HMRC limits document attachments to 2MB per file for self-assessment and other submissions. Scan P60s and payslips at 150–200 DPI then compress to stay under 2MB.

Are my financial documents processed securely?

Yes. The entire compression process happens securely within your browser. No financial data is ever transmitted to external servers.

Compress PDF for HMRC

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

Official Requirements for HMRC

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

Maximum File Size: 2048 KB
Self-assessment attachments: max 2MB per file.
Accepted formats: PDF, JPEG, PNG.
Tax return supporting evidence must be clearly legible.
P60, P45, and payslip scans must show all text clearly.

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

Common Rejection Reasons

File size over 2MB.
Corrupted or password-protected PDF.
Document not legible after compression.

Official Guidelines Compliance

Compressing Tax Documents for HMRC

Submitting tax returns or financial evidence to HM Revenue & Customs (HMRC) often involves uploading large PDF files containing numerous pages of financial data. When these files exceed HMRC's size limits, submission fails. Our PDF compressor intelligently shrinks these tax documents, preserving the legibility of every numerical figure while drastically reducing the file size.

How to Use Compress PDF for HMRC

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

Upload HMRC Documents

Import the PDF tax records or financial statements you need to submit.

Reduce File Size

Apply our advanced compression to shrink the document without losing clarity.

Download for Submission

Save the compressed PDF and seamlessly upload it to the HMRC gateway.

Frequently Asked Questions about HMRC

Answers to common questions regarding requirements for HMRC.

What is the HMRC upload size limit? HMRC limits document attachments to 2MB per file for self-assessment and other submissions. Scan P60s and payslips at 150–200 DPI then compress to stay under 2MB.: HMRC limits document attachments to 2MB per file for self-assessment and other submissions. Scan P60s and payslips at 150–200 DPI then compress to stay under 2MB.
Are my financial documents processed securely? Yes. The entire compression process happens securely within your browser. No financial data is ever transmitted to external servers.: Yes. The entire compression process happens securely within your browser. No financial data is ever transmitted to external servers.