OpenPhotoId vs PDF4U

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

OpenPhotoId compared with PDF4U
Detail	OpenPhotoId	PDF4U
What it does	Free passport photo maker that runs in your browser, offline, with no uploads	Free PDF tools that run in your browser without uploading files to servers
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	Not given
Pricing model	Open source	Free
Pricing	Not given	Not given
Key features	Supports 25 documents from 16 countries and the EU Batch processing with CSV reports Multiple export formats: JPEG, PNG, and print sheets Available on web, macOS, Windows, and Android with offline capability No account, sign-up, or watermark required	Not given
What makes it different	Open source under MIT or Apache 2.0 license for full transparency and auditability Twelve transparent checks naming measured values against official bands	Files never leave your device - all processing happens in your browser No sign-up, no account required Unlimited usage with no daily caps or watermarks Works on phones, tablets and computers Available in 16 languages
Community votes	0	0
DR (Domain Rating by Ahrefs)	1 −1 (down) since last check	16 no change since last check
Trust Flow (Majestic)	0	4
Citation Flow (Majestic)	14	23
Referring domains (Majestic)	3	24

3 details filled in for both companies.