500 ToolBox vs Assen Tools

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

500 ToolBox compared with Assen Tools
Detail	500 ToolBox	Assen Tools
What it does	Free online tools for images, PDF, video, text and more	Free online tools for PDFs, images and everyday tasks
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	Not given
Pricing model	Freemium	Free
Pricing	Website tools: free, no limits except fair daily limits on server-based tools. API: 50 free monthly credits plus 100 on the 1st of each month. Credit packs: Starter $5 (1,000 credits), Growth $25 (5,000 credits, 20% off), Scale $80 (25,000 credits).	Not given
Key features	Image compression and resizing PDF manipulation: merge, split, compress, convert to images Video compression and conversion AI background removal Developer tools: JSON formatting, regex testing, JWT decoding Text tools: word count, case conversion, diff checking QR code generation and customization Chrome extension with 50 tools Server API with 30 endpoints and MCP integration Business tools: invoice generator, password generator, calculators	PDF to Word conversion Image to text OCR extraction Passport photo maker QR code generation Background removal with AI CV formatter for ATS compliance Text to speech conversion Word and character counter 118 different online tools
What makes it different	All tools are completely free with no signup required Zero data retention: files stay private and never leave your device Over 500 tools across 20+ categories Most tools run in browser without uploading files Progressive Web App with offline capability	No sign-up required to use any tool Official specifications for passport, visa and resume formats Comprehensive how-to guides with practical examples
Free plan	Not given	Not given
Open source	Not given	Not given
Platforms	Not given	Not given
Public API	Not given	Not given
Community votes	0	0
DR (Domain Rating by Ahrefs)	21 −1 (down) since last check	1 no change since last check
Trust Flow (Majestic)	9	1
Citation Flow (Majestic)	16	1
Referring domains (Majestic)	4	1

4 details filled in for both companies.

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