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500 ToolBox vs DeviceCheckHub

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 DeviceCheckHub
Detail500 ToolBox logo 500 ToolBoxDeviceCheckHub logo DeviceCheckHub
What it doesFree online tools for images, PDF, video, text and more Free online device tests and calculators that run in your browser with nothing to install or upload
StageNot given Not given
FoundedNot given Not given
Based inNot given Not given
Pricing modelFreemium Free
PricingWebsite 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
  • Microphone testing with live input levels and recording
  • Speaker and headphone testing with frequency sweeps
  • Webcam testing with resolution and frame rate display
  • Keyboard testing for dead, stuck and double-typing keys
  • Mouse and controller testing with button and drift detection
  • Typing speed and CPS measurement tools
  • Date and time calculators with formatting options
  • Number to words converter in multiple formats
  • Privacy by design with no data sent to servers
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 installation, account or data upload required
  • Works on all devices and browsers without downloads
  • Automated testing with 15,000+ checks before each release
  • Complete privacy with all processing done on your device
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)21 −1 (down) since last checkNot checked yet no change since last check
Trust Flow (Majestic)90
Citation Flow (Majestic)160
Referring domains (Majestic)40

4 details filled in for both companies.

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