Encode
Base64 Encode / Decode
Convert text to Base64 and back with one click.
Input
Output
How it works
Base64 encoding is a simple way to represent binary data as text so it can travel safely through systems that expect plain strings. It is used for embedding images in HTML, transmitting payloads in JSON, and storing small binaries in config files. This tool lets you encode text to Base64 or decode Base64 back to its original form without leaving your browser. It is fast, predictable, and ideal for everyday development tasks.
Use the encoder when you need a quick inline asset for a prototype, or when an API requires Base64 for a file upload. Use the decoder to inspect tokens, embedded assets, or unusual configuration values that look opaque. The utility supports UTF-8 so you can safely handle non-ASCII characters in your input. Because the conversion runs locally, your data remains private. Whether you are debugging a webhook payload, preparing a data URI, or just sanity-checking a string, this Base64 tool removes friction and gives you a clean, reliable result every time.
Base64 is not encryption, so it should never be treated as a security layer. If you see padding characters, that is normal and indicates the length of the original data. Use this tool to quickly check whether a payload is truly Base64 or just looks similar, and to remove ambiguity during debugging.