WXT vs CRXJS: Which Extension Framework Wins in 2026? | ExtensionBooster

Short summary

WXT and CRXJS are the two leading Chrome extension frameworks: CRXJS is a minimal Vite plugin best for lightweight projects, while WXT is a full framework offering cross-browser support and active maintenance. CRXJS remains maintained but at reduced velocity—choose it for Vite familiarity. Choose WXT for new projects needing Firefox or Safari support, or teams preferring framework conventions.

• •WXT is a full framework with auto-generated manifests and cross-browser support (Chrome, Firefox, Safari, Edge)
• •CRXJS is a minimal Vite plugin with slower development but stable API; best for Vite-familiar teams
• •Choose WXT for new projects or multi-browser needs; CRXJS for lightweight additions to existing Vite apps

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