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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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
Designed by Mycellium Tech using Advanced Agentic Coding methodologies.
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, orURL 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+0-9or the non-intrusive Context Menu.
Designed by Mycellium Tech using Advanced Agentic Coding methodologies.
Initial release v1.0.0
Rated 0 by 0 reviewers
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.
More information
- Add-on Links
- Version
- 1.0.0
- Size
- 236.36 kB
- Last updated
- 7 days ago (18 Jan 2026)
- Related Categories
- Licence
- MIT Licence
- Version History
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