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DevToysDev Toolbox
Free

The open-source software is available without a license fee. Hosting, hardware and…

 Free

Free and open source under the GPL-3.0-or-later licence.

Windows, macOS, Linux Linux
  • Includes text conversion, formatters, encoders and validation tools.
  • Many small developer tools in one app
  • Works locally instead of pasting data into websites
  • Its small utilities do not replace a full development environment.
  • Linux only
  • Covers quick tasks rather than full workflows
Downloadable app Downloadable app
Open source Open source
License: MIT License: GPL-3.0-or-later
Not stated if an account is needed No account needed
Not stated if it works offline Works offline

Checked September 22, 2026

Checked October 1, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.