What is the UKVI document size limit?

Each supporting document uploaded to the UKVI portal must be under 6MB. If your scanned statements or certificates are larger, use our Compress PDF tool to bring them under the limit.

What documents does UKVI require?

UKVI typically requires bank statements (3–6 months), payslips, employer letters, accommodation proof, and travel history depending on the visa type. All must be clearly legible and under 6MB each.

Is there a limit on the number of PDFs I can merge?

No hard limit is enforced. However, since the files are processed entirely securely's RAM, combining very large files (e.g. over 100MB total) may depend on your device memory.

Can I adjust the page order inside a PDF?

Our tool merges documents in the order you list them. If you need to separate and re-order pages, you can use our Split PDF tool first, then merge the parts.

Is my personal data secure while merging PDFs?

Yes, the entire merge process happens in your local browser sandbox. No document data is sent to our servers, keeping your private certificates completely secure.

Merge PDF for UKVI

Combine multiple PDF documents or certificates into a single file. Control order, sort pages, and optimize output size.

Official Requirements for UKVI

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

Maximum File Size: 6000 KB
Supporting documents must be under 6MB each.
Accepted formats: JPEG, PNG, PDF.
Documents must be in colour and clearly legible.
Bank statements and financial docs: last 3–6 months.
All non-English documents must include a certified translation.

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

Common Rejection Reasons

Document file size exceeds 6MB.
Blurry or illegible scan.
Missing certified translation for non-English documents.
Bank statements not covering the required period.

How to Use Merge PDF for UKVI

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

Choose PDF Files

Select two or more PDF files from your device to merge together.

Arrange File Order

Drag and drop the files in the list to arrange them in the exact order they should appear in the merged document.

Merge and Download

Set your target size constraint and click the merge button to download the combined PDF.

Frequently Asked Questions about UKVI

Answers to common questions regarding requirements for UKVI.

What is the UKVI document size limit? Each supporting document uploaded to the UKVI portal must be under 6MB. If your scanned statements or certificates are larger, use our Compress PDF tool to bring them under the limit.: Each supporting document uploaded to the UKVI portal must be under 6MB. If your scanned statements or certificates are larger, use our Compress PDF tool to bring them under the limit.
What documents does UKVI require? UKVI typically requires bank statements (3–6 months), payslips, employer letters, accommodation proof, and travel history depending on the visa type. All must be clearly legible and under 6MB each.: UKVI typically requires bank statements (3–6 months), payslips, employer letters, accommodation proof, and travel history depending on the visa type. All must be clearly legible and under 6MB each.
Is there a limit on the number of PDFs I can merge? No hard limit is enforced. However, since the files are processed entirely securely's RAM, combining very large files (e.g. over 100MB total) may depend on your device memory.: No hard limit is enforced. However, since the files are processed entirely securely's RAM, combining very large files (e.g. over 100MB total) may depend on your device memory.
Can I adjust the page order inside a PDF? Our tool merges documents in the order you list them. If you need to separate and re-order pages, you can use our Split PDF tool first, then merge the parts.: Our tool merges documents in the order you list them. If you need to separate and re-order pages, you can use our Split PDF tool first, then merge the parts.
Is my personal data secure while merging PDFs? Yes, the entire merge process happens in your local browser sandbox. No document data is sent to our servers, keeping your private certificates completely secure.: Yes, the entire merge process happens in your local browser sandbox. No document data is sent to our servers, keeping your private certificates completely secure.

Free related tools to prepare your documents.

Split PDF

Split PDF documents by custom page ranges or extract specific pages securely with zero data leakage.

Compress PDF

Compress PDF files to a target size secure. Optimize scanned documents and certificates with zero quality loss.

JPG to PDF

Convert JPG, JPEG, and PNG images into PDF files. Automatically scale and compress pages to fit under your desired limit.

Global Portal Requirements

USCISUnited States

DS-160 (US Visa)United States