How to
How-to Guides for UK Visa Documents: Scan, Compress, Upload
Step-by-step guides for a UK visa application: scan a passport, compress a PDF to 2 MB or 6 MB, merge files and upload to UKVCAS or VFS Global.
9 guides · Updated
- 01How to Compress a PDF for a UK Visa ApplicationStep-by-step guide to compressing PDFs to fit UK visa portal upload limits, 2 MB for VFS Global, 6 MB for UKVCAS, without losing quality.
- 02How to Compress a PDF to Under 2 MB for UK Visa (VFS Global)Compress a PDF below the 2 MB VFS Global upload limit for UK visa applications applied from outside the UK, free, browser-only, no quality loss until needed.
- 03How to Compress a PDF to Under 6 MB for UKVCAS (UK Visa)Compress a PDF below the 6 MB UKVCAS per-file upload limit for in-country UK visa biometrics, free, browser-only, structural pass first.
- 04How to Merge UK Visa Documents into One PDFStep-by-step guide to merging UK visa supporting documents into a single PDF in the order UKVI expects, free, browser-only.
- 05How to Name Files for UKVI Visa ApplicationsFilename conventions for UK visa applications, what UKVI caseworkers expect, how to name documents so they process faster, and what to avoid.
- 06How to Upload Documents on VFS Global for a UK Visa (2026)Upload documents on VFS Global for a UK visa in 9 steps: pay UKVI first, create the VFS account with the same email, book biometrics, upload under 2 MB.
- 07How to Upload Documents to UKVCAS for a UK Visa ApplicationStep-by-step guide to using UKVCAS (Sopra Steria) for UK visa biometrics and document upload, appointments, file limits, common pitfalls.
- 08Scan Your Passport for a UK Visa: 300 DPI, Colour, Full MRZScan the bio page in colour at 300 DPI as PDF or JPG, all four edges and both MRZ lines visible. Greyscale is rejected. Phone scans work in even light.
- 09Upload Documents to the UKVI Portal: 6 MB UKVCAS, 2 MB VFSUKVCAS caps files at 6 MB, VFS Global at 2 MB, TLScontact about 4 MB. Over the limit the file fails silently, no error. PDF, JPG and PNG accepted.
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