Provides online Base64 encoding and decoding tools, allowing users to directly perform Base64 encoding and decoding operations in the browser. This tool is completely executed locally based on the browser and does not need to upload any data to the server, ensuring the security of the processing process and the privacy of user data. Using this tool, you can easily Base64 encode text or data and decode Base64 encoded data back to the original format, suitable for data encryption and decryption needs.