File tools guides
Step-by-step, plain-English how-tos for the file tasks people run into every week — shrinking videos, merging PDFs, sizing photos and picking the right format. Each guide shows you how to get it done with our free in-browser tools, where your files never leave your device.
How to Compress a Video for WhatsApp (2026 Guide)
WhatsApp shrinks videos past 16 MB into a blurry mess. Learn the actual size limits, how to compress a video yourself first, and when to trim or send as a document instead.
Read the guide →How to Merge PDFs on Your Phone (Android & iPhone)
No app download, no sign-up: combine scanned forms, receipts or notes into one PDF right in your mobile browser, get the file order right, and know what to do with the result.
Read the guide →How to Make a Passport-Size Photo at Home
A plain wall, decent daylight and your phone are all you need. Follow the framing and lighting rules, crop to 35×45 mm or 2×2 in, and read the acceptance disclaimer first.
Read the guide →PDF vs JPG: Which Format Should You Use?
A plain-English explainer: when a text document needs PDF, when a photo belongs in JPG, how quality and file size differ, and exactly when to convert between the two.
Read the guide →How to Reduce PDF Size for Email & Upload Portals
Scanned PDFs balloon past email limits fast. Learn why files get big, the ~20–25 MB ceilings most inboxes enforce, and how to shrink — or split — your document.
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