Simple Base64 Converter — Image ↔ Text

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.