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Dead Pixel Test vs 500 ToolBox

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

Dead Pixel Test compared with 500 ToolBox
DetailDead Pixel Test logo Dead Pixel Test500 ToolBox logo 500 ToolBox
What it doesFree full-screen color test for visual screen inspection Free online tools for images, PDF, video, text and more
StageNot given Not given
FoundedNot given Not given
Based inNot given Not given
Pricing modelFree Freemium
PricingNot given 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).
Key features
  • Nine solid color tests
  • Full-screen color display mode
  • Stuck pixel fixer with flashing patch
  • Custom color picker for testing specific colors
  • Works on phones, laptops, and monitors
  • Keyboard and touch navigation
  • Simulated pixel defect examples for comparison
  • Screen inspection checklist and observation record
  • 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
What makes it different
  • Visual inspection without automatic diagnosis
  • No account, upload, or installation required
  • Includes stuck pixel fixer tool with flashing patch
  • Works on any screen accessible via browser
  • 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
Free planNot given Not given
Open sourceNot given Not given
PlatformsNot given Not given
Public APINot given Not given
Community votes00
DR (Domain Rating by Ahrefs)Not checked yet no change since last check22 no change since last check
Trust Flow (Majestic)09
Citation Flow (Majestic)1916
Referring domains (Majestic)44

4 details filled in for both companies.

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