PDF4U vs Tools That Don't Upload

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

PDF4U compared with Tools That Don't Upload
Detail	PDF4U	Tools That Don't Upload
What it does	Free PDF tools that run in your browser without uploading files to servers	Browser tools that process files on your device without uploading them, plus REST API and MCP server
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	KR
Pricing model	Free	Freemium
Pricing	Not given	Browser tools: free, no signup, no limits. API and MCP server: Free key with 1,000 credits/month; Dev plan $9/month with 100,000 credits/month; Business plan $49/month with 500,000 credits/month. Credit packs: Starter $5 (50,000 credits), Standard $10 (100,000 credits), Pro Pack $25 (300,000 credits
Key features	Not given	QR code generation from text or URL REST API for file processing, text extraction and AI tools MCP server integration for Claude and code editors Workflow automation for business tasks Network tools: DNS lookup, WHOIS and SSL check
What makes it different	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	All files stay on your device—nothing is uploaded, no data stored 98 free browser tools with no signup required and no daily limits Developer API and MCP server for integrating tools into code and AI assistants Privacy by design with Cloudflare Workers processing in memory without storage
Community votes	0	0
DR (Domain Rating by Ahrefs)	16 no change since last check	7 no change since last check
Trust Flow (Majestic)	4	0
Citation Flow (Majestic)	23	28
Referring domains (Majestic)	24	18

3 details filled in for both companies.

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