String Utility Belt icon
String Utility Belt icon

String Utility Belt

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Chain string transformations into visual pipelines with live previews. 246 utilities as a web app, CLI, HTTP API, MCP server and browser/VS Code extensions.

String Utility Belt screenshot 1

Cost / License

  • Free
  • Open Source (MIT)

Platforms

  • Online
  • Google Chrome
  • Visual Studio Code
  • JavaScript
  • Typescript
  • npm
String Utility Belt screenshot 1
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Development, Web Browsers, OS & Utilities, AI Tools & Services

GitHub repository

  •  1 Stars
  •  0 Forks
  •  1 Open Issues
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String Utility Belt was added to AlternativeTo by Murraylr on and this page was last updated .

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What is String Utility Belt?

Chain string and data transformations into pipelines with a live preview after every step. A free, open-source alternative to juggling single-purpose online converters.

  • 246 utilities: Base64, hex and URL encoding, JWTs, hashes and HMAC, AES, compression, JSON, YAML, TOML, CSV and XML, regex, dates, numbers and colours
  • Pipelines with branches, “run on each line” steps and conditions, shareable as a link
  • 20 ready-made recipes for real jobs, such as decoding a Kubernetes Secret or a SAML request
  • Runs entirely in your browser: what you paste isn’t uploaded, and there’s no account
  • The same engine as a CLI (npx subelt), an MCP server for AI agents, and VS Code and Chrome extensions
  • MIT licensed on GitHub