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Kastavo vs ToolDolfen

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 ToolDolfen
DetailKastavo logo KastavoToolDolfen logo ToolDolfen
What it doesFree online tools to convert files, calculate values, generate codes and transform text in your browser Simple Tools. Powerful Results.
StageNot given Not given
FoundedNot given Not given
Based inBR Not given
Pricing modelFree Free
PricingNot given All 48 tools free forever with no subscriptions or hidden fees
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
  • Image compression and resizing
  • PDF merging and splitting
  • Text processing and analysis
  • Image to text OCR conversion
  • Format converters for images and documents
  • Metadata and EXIF data removal
  • Password and QR code generation
  • JSON and CSV conversion
  • Base64 encoding and decoding
  • WebAssembly and HTML5 Canvas processing
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
  • Browser-side processing with zero server uploads and complete privacy
  • No account creation or email required
  • Completely free with no subscriptions or hidden costs
  • Instant browser-based processing without software installation
  • Fully responsive and touch-optimized for mobile devices
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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