Base64 Encode / Decode
Convert text to Base64 and back. Runs fully in your browser. No uploads, no storage.
Tip: This tool is best for text. For files/binary Base64, use a dedicated file-to-base64 tool.
What is Base64 encoding?
Base64 converts data into a safe text format (ASCII). It’s commonly used in emails, APIs, and web apps where special characters may break the data.
When should you use Base64?
Use Base64 when you need to send text safely inside JSON or APIs. Note: Base64 is not encryption, it’s only encoding.
Is this tool safe?
Yes. This tool runs fully in your browser and does not upload your input or output to the server.
Related tools: URL Encoder · JSON Formatter