Guides & Tips
Expert answers to the most common document, photo, and upload questions — all free tools, all private.
Why Was My Passport Photo Rejected? (2026 Guide for All Countries)
Passport photo rejected? The 7 most common reasons across the US, UK, Canada, Australia, India, France and Germany — and how to fix them in under 60 seconds.
PDF Too Large to Upload? Fix It for UPSC, USCIS, IRCC, HMRC and More
Getting a "file too large" error? Here are the exact PDF size limits for UPSC (300 KB), USCIS (6 MB), IRCC (4 MB), HMRC (2 MB), UKVI (6 MB) and SSC (500 KB) — and how to fix it instantly.
UPSC Photo and Signature Requirements 2026 — Size, Format, File Size
Official UPSC photo requirements: 3.5×4.5 cm JPEG, 20–50 KB, white background. Signature: 10–20 KB JPEG. Exact specs, common rejection reasons, and how to resize both for the UPSC portal.
DS-160 Photo Requirements 2026 — Size, Background, File Size (US Visa)
DS-160 photo requirements: 600×600 px JPEG, max 240 KB, plain white background. No glasses since November 2023. Step-by-step guide to format and compress your photo correctly for the US visa application.
How to Compress a PDF to Under 100 KB (Without Losing Quality)
Need to compress a PDF to under 100 KB for UPSC, SSC or other government portals? Free browser-based tool — no upload, no server, results in seconds.
UK Visa Photo Requirements 2026 — Complete UKVI Guide
UK visa photo requirements: 600×750 px, 45×35 mm, light grey or cream background (NOT white), 50 KB–10 MB. Common rejection reasons and how to fix them before resubmitting.
USCIS Document Upload Size Limits — Complete Guide (2026)
USCIS my.uscis.gov accepts documents up to 6 MB per file. Learn which formats are accepted, what causes rejections, and how to compress large PDFs and scanned documents before uploading.
How to Compress an Image to 50 KB — Free, Private, No Upload
Need to compress a JPEG or PNG to exactly 50 KB for UPSC, SSC, IBPS or another portal? Free browser-based tool — your image never leaves your device.