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Kastavo vs Utilvo

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 Utilvo
DetailKastavo logo KastavoUtilvo logo Utilvo
What it doesFree online tools to convert files, calculate values, generate codes and transform text in your browser Browser-native tools for PDF, images, OCR, and calculations—100% client-side, no uploads, no signup
StageNot given Startup
FoundedNot given 2024
Based inBR US
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
  • 1,600+ browser-based tools
  • PDF editing and conversion
  • OCR in 100+ languages
  • Image processing and compression
  • QR code and barcode generation
  • Document templates: resumes, invoices, certificates
  • Zero watermarks on output files
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
  • All files stay on your device—zero server uploads, guaranteed ephemeral data
  • No account creation, registration, or paywall required
  • Professional output with no watermarks, free for commercial use
  • Sub-second performance via WebAssembly and local execution
  • 1,600+ tools with continuous updates based on user feedback
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 check7 no change since last check
Trust Flow (Majestic)04
Citation Flow (Majestic)2126
Referring domains (Majestic)517

5 details filled in for both companies.

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