Noman Mustafa — Page 2
Owner
Noman Mustafa — Founder of Convertavo I build the file tools on this site. Fifteen years of writing software, and most of my days now go into making PDF, image and OCR processing fast enough to run in a browser tab. I write here about what I learn breaking files apart.
Articles by Noman Mustafa
Images
How to Make Images Load Faster on a Website
The exact pixel widths, formats and KB targets that make images load faster on a website, plus the free setting most sites forget.
Images
Why Is My Transparent PNG Showing a White Background?
Your transparent PNG looks fine on your computer and white everywhere else. Here is where transparency breaks, which formats keep it, and the fix.
AI
How to Prove a Photo Is Not AI Generated
Flagged by an AI detector? Six pieces of evidence prove your photo is real, from the original file and its camera data to Content Credentials.
Guides
How to Make a Free QR Code for a Link, WiFi or Contact Card
Make a QR code for a link, WiFi password, WhatsApp chat or contact card. Add your logo, download SVG or PNG. Free, no signup, and it never expires.
Guides
How to Scan a QR Code From an Image, PDF or Your Camera
Scan a QR code from a photo, screenshot, PDF or your camera. Codes are read on your device, and you see the link before you open it. No app needed.