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DevUtils vs String Utility Belt
Short answer: Pick DevUtils if you want all-in-one browser-based dev utilities; pick String Utility Belt if you want browser-based text manipulation pipelines. Both are free.
DevUtilsThe All-in-One Developer Toolkit for Your Daily Tasks
String Utility BeltBuild your own text transformation pipelines. Free and open source.Which to pick
Pick DevUtils if you want…
- All-in-one browser-based dev utilities
Pick String Utility Belt if you want…
- Browser-based text manipulation pipelines
- Customizable text transformation pipelines
- Open-source code (String-Utility-Belt/string-utility-belt on GitHub, MIT license)
Side by side
- What it is
- DevUtils:devUtils is a privacy-focused, in-browser suite of encoders, decoders, formatters and converters for everyday developer tasks.
- String Utility Belt:String Utility Belt offers 246 free in-browser string and text tools with pipeline building, plus CLI, MCP and NPM access.
- Best for
- DevUtils:All-in-one browser-based dev utilities
- String Utility Belt:Browser-based text manipulation pipelines
- Who it’s for
- DevUtils:Web developers who need quick, offline tools for data transformation and validation.
- String Utility Belt:Developers and power users who need quick text transformations without uploading data.
- Pricing
- DevUtils:Free
- String Utility Belt:Free
- Starting price
- DevUtils:—
- String Utility Belt:Free
- Free plan or trial
- DevUtils:—
- String Utility Belt:Free to use
- Open source
- DevUtils:—
- String Utility Belt:Yes, 2 GitHub stars
- Works with
- DevUtils:—
- String Utility Belt:MCP
DevUtils features
- JWT Decoder. Decode JWT headers and payloads, verify signatures (HS256, RS256, etc.) instantly.
- Base64 Encoder/Decoder. Encode and decode text or files to/from Base64 directly in the browser.
- JSON Formatter & Validator. Validate, pretty-print, and minify JSON data for easier reading.
- HTML & CSS Prettifier. Beautify markup and stylesheet code for better readability.
- Number Base Converter. Convert numbers between binary, octal, decimal and hexadecimal, with bulk support.
- Epoch Time Converter. Transform Unix timestamps to human-readable dates and back.
- URL & HTML Encoder/Decoder. Encode or decode special characters for safe transmission in URLs or HTML.
String Utility Belt features
- In-browser processing. All operations run locally in the browser, ensuring no data is uploaded.
- Pipeline builder. Create multi-step workflows with splits, loops, and reusable steps.
- Extensive toolset. Includes encoding, decoding, hashing, formatting, conversion and more (246 utilities).
- Presets library. Ready-made pipelines for common tasks like SAML decoding or CSV conversion.
- CLI & NPM package. Run the same utilities from the command line or as an npm module.
- Browser extension. Reuse pipelines on any site with two clicks via the extension.
DevUtils vs String Utility Belt FAQ
What is the difference between DevUtils and String Utility Belt?+
String Utility Belt is an open-source library for building custom text pipelines, while devUtils offers ready-made UI tools.
Should I use DevUtils or String Utility Belt?+
Pick DevUtils if you want all-in-one browser-based dev utilities. Pick String Utility Belt if you want browser-based text manipulation pipelines, customizable text transformation pipelines or open-source code (String-Utility-Belt/string-utility-belt on GitHub, MIT license).
Is DevUtils or String Utility Belt free?+
DevUtils is listed as free on DevHunt. String Utility Belt is free.
Is DevUtils or String Utility Belt open source?+
String Utility Belt is open source (String-Utility-Belt/string-utility-belt on GitHub, MIT license). DevHunt has no public source repository on record for DevUtils.
On DevHunt
Based on each tool's website and DevHunt data. Details may change; check the official sites.