Free Online Base64 Encoder and Decoder Tool
instantly encode and decode base64 data. 100% secure client-side processing for your privacy.
plain text
base64 output
instantly encode and decode base64 data. 100% secure client-side processing for your privacy.
rizentium Our free online Base64 tool is designed for developers who need to quickly transform binary data into ASCII strings and vice versa. Base64 is an encoding scheme that represents binary data in an ASCII string format, making it ideal for embedding data in HTML, CSS, or JSON. Whether you are encoding an image for a design system or decoding a string from an API response, rizentium provides real-time, client-side processing with absolute privacy.
rizentium Unlike traditional online converters that log your inputs, rizentium utilizes the standard btoa() and atob() Web APIs. This means the encoding and decoding happen entirely in your browser's memory. No data is ever sent to our servers.
No. Base64 is an encoding scheme, not encryption. It can be easily decoded by anyone and does not provide security for sensitive data. It is intended for data formatting and transmission only.
Standard Base64 uses characters like '+' and '/' which have special meanings in URLs. URL-safe Base64 replaces these with '-' and '_' to ensure the encoded string doesn't break web addresses.