PDFup vs MillFile

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

PDFup compared with MillFile
Detail	PDFup	MillFile
What it does	Free browser-based PDF tools for merging, editing, converting and organizing files without uploads	Free browser tool to compress PDFs to an exact size without uploading
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	Not given
Pricing model	Free	Free
Pricing	All tools are completely free with no limits on file size, number of files, or usage frequency.	Not given
Key features	Merge multiple PDF files Compress PDF file size Edit and annotate PDFs Convert images to PDF and vice versa Create and fill PDF forms Sign PDFs digitally Organize and rotate pages Compare two PDF versions	Compress PDF to exact target size from 100 KB to 20 MB Convert camera RAW files to full-resolution JPG Batch processing with zip download Runs entirely in browser with no upload Adaptive page rendering with quality budget Works offline after first page load Supports RAW formats: ARW, CR2, CR3, NEF, DNG, ORF, RAF, RW2
What makes it different	100% client-side processing with no file uploads to servers Works offline after initial page load	Browser-based so files never leave your device Truly free with no trial, subscription, watermark or daily quota Lossless rebuild runs first to preserve quality Reports honest final size when target cannot be reached
Community votes	0	0
DR (Domain Rating by Ahrefs)	4 no change since last check	Not checked yet no change since last check
Trust Flow (Majestic)	6	0
Citation Flow (Majestic)	28	1
Referring domains (Majestic)	11	1

4 details filled in for both companies.