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Kastavo vs FPSDEN

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

Kastavo compared with FPSDEN
DetailKastavo logo KastavoFPSDEN logo FPSDEN
What it doesFree online tools to convert files, calculate values, generate codes and transform text in your browser Free browser tools for random picks, printable practice, wheels and data conversion
StageNot given Startup
FoundedNot given 2026
Based inBR Not given
Pricing modelFree Free
PricingNot given Not given
Key features
  • Compress and convert images (JPG, WebP, PNG)
  • Merge, split and convert PDF documents
  • QR code generator for text, links, Wi-Fi, Pix, vCard and SMS
  • Word and character counter with real-time processing
  • JWT decoder showing header, payload and expiration
  • Compound interest calculator with monthly contributions
  • Color picker showing HEX, RGB and HSL values
  • Unit converters for length, temperature and more
  • Video compression by selecting resolution and quality
  • Freelance hourly rate calculator for income goals
  • Random Number Generator with customizable range and quantity
  • Random Letter Generator for A–Z selection
  • Random State Generator for 50 U.S. states
  • Random Number Wheel with editable options and weights
  • Worksheet Generator for fraction practice and handwriting
  • Country Wheel with 193 UN member states
  • Truth or Dare Wheel with family-friendly prompts
  • JSON to CSV Converter with delimiter and BOM options
  • UUID Generator for v4 or v7 with multiple options
  • Cursive Generator for Unicode text conversion
What makes it different
  • All tools run entirely in your browser with no file uploads or server processing
  • Fast results with instant processing directly in your browser
  • No sign-up required with no hidden limits or paywalls
  • Available in three languages with localized units and formats
  • Regularly updated catalog with new tools added continuously
  • Everything runs locally in your browser without server uploads
  • No account or sign-up required
  • Continuous tool corrections and FAQ pages with examples
  • Uses browser cryptographic random source with rejection sampling
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 checkNot checked yet no change since last check
Trust Flow (Majestic)00
Citation Flow (Majestic)210
Referring domains (Majestic)50

4 details filled in for both companies.

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