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String Utility Belt vs Portlivo

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

String Utility Belt compared with Portlivo
DetailString Utility Belt logo String Utility BeltPortlivo logo Portlivo
What it doesFree online string and text tools for encoding, decoding, hashing, formatting and converting text in your browser Mac menu bar app for viewing and managing local dev servers and ports
StageNot given Not given
FoundedNot given Not given
Based inNot given Not given
Pricing modelFree Free trial
PricingNot given Free trial for 7 days. After trial: $8.99 USD one-time for 1 Mac (early-bird pricing, normally $19.99), $39.99 USD for 3 Macs, $59.99 USD for 5 Macs. One-time purchase with free updates, no subscription.
Key features
  • Base64 encoding and decoding
  • URL encoding and decoding
  • JSON formatting, validation and minifying
  • JWT decoding with readable timestamps
  • SHA-256 and other cryptographic hashing
  • UUID generation with multiple versions
  • Text diffing with multiple formats
  • Chainable pipelines with live preview
  • CSV to JSON and JSON to YAML conversion
  • Regular expression explanation in plain English
  • Menu bar display of all listening ports and processes
  • Kill, restart, and manage dev servers from the menu bar
  • Live health checks with HTTP status indicators and response times
  • Live website previews and screenshots of dev servers
  • Live log streaming and tail capabilities
  • Project stacks to start multiple servers together
  • QR code sharing and public HTTPS sharing via cloudflared or ngrok
  • devports CLI for Terminal and Raycast access
  • CPU and memory monitoring per server
What makes it different
  • All processing happens in your browser with no data uploaded to servers
  • Chain multiple tools into pipelines with live preview of each step
  • Available across VS Code, CLI, MCP and as a Node.js library
  • No cookies or tracking scripts, privacy-focused
  • 248 utilities organized by category with guides and worked examples
  • Native SwiftUI app optimized for Mac menu bar with no Electron overhead
  • Complete local privacy with no account, no analytics, and no data collection
  • One-time purchase with free updates instead of subscription model
  • Recognizes and integrates with major development frameworks and tools
  • Keyboard-first interface designed for developer efficiency
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)38 +1 (up) since last check8 +1 (up) since last check
Trust Flow (Majestic)57
Citation Flow (Majestic)2421
Referring domains (Majestic)1813

4 details filled in for both companies.

More alternatives to String Utility Belt More alternatives to Portlivo

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