Simple Base64 Converter — Image ↔ Text
Extension Actions
Quickly convert images to Base64 text and back. Simple, offline, and permission-free.
Simple Base64 Converter is a lightweight offline tool that instantly converts images to Base64 text — and back again.
Select an image to generate its Base64 string, or paste a Base64 string to preview and decode it back into an image.
Everything happens locally in your browser — no uploads, no permissions, no privacy concerns.
Key features
Encode any image file (PNG, JPG, WebP, etc.) into a Base64 data string.
Decode Base64 text back into a viewable image preview.
Copy Base64 results with one click.
Clear everything instantly to start over.
Works fully offline and stores nothing anywhere.
Fast, minimal design optimized for everyday use.
Privacy & safety
No network access, tracking, or external dependencies.
No permissions required — runs entirely within the popup.
100% CSP-compliant and MV3-ready.
Ideal for developers, designers, and anyone who needs a quick Base64 encoder/decoder without complex options.