OpenPdfEdit vs Mail File Viewer

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

OpenPdfEdit compared with Mail File Viewer
Detail	OpenPdfEdit	Mail File Viewer
What it does	An open source PDF editor that keeps your files yours	Read email files privately in your browser with no upload
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	Not given
Pricing model	Freemium	Free
Pricing	Free for most features. Supporter tools (watermark and OCR): 1,000 credits ($5), one-time payment	Not given
Key features	Text editing and replacement in PDFs Real redaction that removes text from file content PDF comparison showing text and pixel differences Password protection with AES-256 encryption Watermarking and page numbering (Supporter feature)	Read winmail.dat and EML files in browser View embedded images safely Preview PDF attachments Download attachments individually or as ZIP No file uploads to server Display sender, date and message content
What makes it different	No upload, no account required, no watermarks or page limits All processing runs locally on your machine with no server involved Works offline after first load; desktop app never needs network Real redaction that removes text from file bytes, not just visual overlay Fully open source under AGPL-3.0-or-later with auditable code	All processing happens in your browser with no uploads Private handling of email attachments Outlook hides Safe display of external images with user permission
Community votes	0	0
DR (Domain Rating by Ahrefs)	1 −1 (down) since last check	Not checked yet no change since last check
Trust Flow (Majestic)	5	2
Citation Flow (Majestic)	17	19
Referring domains (Majestic)	7	6

4 details filled in for both companies.

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