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500 ToolBox vs SupaTools.AI

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 SupaTools.AI
Detail500 ToolBox logo 500 ToolBoxSupaTools.AI logo SupaTools.AI
What it doesFree online tools for images, PDF, video, text and more Free online tools for images, audio, video and text that run in your browser
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). All tools are completely free to use with no credit system, no hidden fees and no rate limits.
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
  • WebP to PNG conversion
  • Image resizing
  • OCR text extraction from images
  • Image compression
  • Video compression
  • JSON formatter and validator
  • Diff checker for text comparison
  • Base64 encoding and decoding
  • Audio trimming and conversion
  • Video to GIF conversion
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 API costs, hidden fees or rate limits
  • Professional-grade processing using WebAssembly and modern browser APIs
  • No sign-up or account required
  • Instant results with no server round-trips
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)22 no change since last check2 no change since last check
Trust Flow (Majestic)91
Citation Flow (Majestic)1621
Referring domains (Majestic)424

5 details filled in for both companies.

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