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Base64 Viewer
Encode text or files to Base64, decode Base64 strings, and preview images — all in the browser.
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About Base64: Base64 encodes binary data as ASCII text using 64 characters (A–Z, a–z, 0–9, +, /). It's commonly used to embed images in HTML/CSS, transmit data in URLs, or store binary data in JSON. Files are approximately 33% larger when Base64-encoded.
About Base64 Viewer
Base64 Viewer encodes text or files to Base64 and decodes Base64 strings back to their original form. For image Base64 data URLs, it renders a live preview of the image. Useful for developers working with embedded media and data URI schemes.
- Text and file Base64 encoding
- Decodes Base64 to text or file
- Live image preview from data URL
- Copy encoded or decoded output