Convert text to Base64 or decode Base64 back to text. Processing stays in your browser.
Use this Base64 converter when you need to turn text into a transport-safe string, or recover the original text from a Base64 value. Common cases include data URLs, HTTP basic auth strings, JWT payloads, and API samples. Everything runs locally in your browser.
Base64 maps binary data to 64 ASCII characters so it can travel safely through systems that expect text.
No. It is reversible encoding. Anyone can decode it without a key.
No. Encoding and decoding happen on your device.