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Kastavo vs HTML to URL

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 HTML to URL
DetailKastavo logo KastavoHTML to URL logo HTML to URL
What it doesFree online tools to convert files, calculate values, generate codes and transform text in your browser Convert HTML code into shareable URLs in seconds without deployment
StageNot given Not given
FoundedNot given Not given
Based inBR Not given
Pricing modelFree Freemium
PricingNot given Free: one URL for 3 days. Starter: $9/month for 3 editable URLs. Pro: $15/month for 10 editable URLs with password protection. Business: $25/month for 50 editable URLs with password protection. One-time payment option to extend current files at the same URL.
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
  • Convert HTML code to shareable URL
  • Live browser preview before publishing
  • Upload HTML files (.html/.htm)
  • 20MB HTML size limit
  • No account required for initial use
  • Custom htmltourl.app addresses on paid plans
  • Password protection on Pro and Business plans
  • Noindex generated pages to avoid SEO impact
  • Update files at the same URL on paid plans
  • Remove HTMLtoURL branding on paid plans
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
  • No deployment or server setup required
  • Built specifically for AI-generated HTML
  • Instant preview before sharing
  • Share as a single URL instead of files or deployment instructions
  • Safer indexing defaults to protect SEO
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 check27 no change since last check
Trust Flow (Majestic)08
Citation Flow (Majestic)2121
Referring domains (Majestic)565

4 details filled in for both companies.

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