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Preview of Case Switcher

Case Switcher by Mycellium

Transform text case with intelligence. Multi-language support for Title Case, smart capitalization, and developer-friendly modes like camelCase and URL Slug.

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Extension Metadata

Screenshots
Clean, non-intrusive Context Menu for quick access.Smart Title Case support for English, Portuguese, Spanish, German, French, and Italian.Boost productivity with global shortcuts (Alt+Shift+0-9) for every mode.Acronym Immunity: Define words like "API" or "HTML" that stay uppercase.
About this extension
Transform text case with professional intelligence.

Case Switcher is a high-performance Firefox extension designed for developers, writers, and content creators who demand precision. Built on the robust Manifest V3 architecture, it offers secure, local-only processing with advanced linguistic rules.

Key Features
  • Intelligent Title Case: Context-aware capitalization that respects small words (articles, prepositions) for English, Portuguese, Spanish, French, German, and Italian.
  • Developer Modes: Instantly convert variables to camelCase, kebab-case, snake_case, or URL Slug.
  • Acronym Immunity: define a custom list of words (like "HTML", "API") that stay strictly uppercase during transformations.
  • Privacy First: 100% offline processing. No data ever leaves your device.
  • Global Shortcuts: Use Alt+Shift+0-9 or the non-intrusive Context Menu.

Designed by Mycellium Tech using Advanced Agentic Coding methodologies.
Developer comments
Initial release v1.0.0
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Permissions and data

Required permissions:

  • Access your data for all web sites

Optional permissions:

  • Access your data for all web sites

Data collection:

  • The developer says this extension doesn't require data collection.
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More information
Add-on Links
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Version
1.0.0
Size
236.36 kB
Last updated
7 days ago (18 Jan 2026)
Related Categories
  • Web Development
  • Search Tools
  • Language Support
Licence
MIT Licence
Version History
  • See all versions
Tags
  • privacy
  • search
  • social media
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