Mail File Viewer vs CloudPDF

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

Mail File Viewer compared with CloudPDF
Detail	Mail File Viewer	CloudPDF
What it does	Read email files privately in your browser with no upload	The backend for your PDFs: secure storage, multi-tenant access control, real-time collaboration, annotations, forms, redaction, e-signatures, and server-side processing.
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	GB
Pricing model	Free	Freemium
Pricing	Not given	Managed SaaS: Standard plan $165/mo (billed $1,980 annually with up to 17% savings), includes 10,000 document views/month, 10,000 uploads/month, 10 GB storage. Growth plan $358/mo (billed $4,296 annually), includes 50,000 document views/month, 50,000 uploads/month, 50 GB storage. Both include 14-day
Key features	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	Annotations and commenting Real-time collaboration Role-based access control Signed URLs and domain restrictions E-signatures Document redaction Audit logging Forms and annotations Developer API and SDKs for React, Vue, Svelte
What makes it different	All processing happens in your browser with no uploads Private handling of email attachments Outlook hides Safe display of external images with user permission	Production ready in under 10 minutes with managed SaaS Choose between managed SaaS or self-hosted deployment PDF Association member with production-grade infrastructure
Community votes	0	0
DR (Domain Rating by Ahrefs)	Not checked yet no change since last check	Not checked yet no change since last check
Trust Flow (Majestic)	2	0
Citation Flow (Majestic)	19	11
Referring domains (Majestic)	6	1

4 details filled in for both companies.

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