Base64 Encode & Decode — developer utilities, encoders and data format tools
The Base64 Encode & Decode tool converts plain text to Base64 and converts Base64 back to plain text instantly in your browser. Base64 turns binary or text data into a safe set of letters, digits, and symbols that can be sent in URLs, JSON, or emails. Note that Base64 is encoding, not encryption, an
Category: Developer Tools
About this tool
What Is Base64 Encode & Decode? Base64 Encode & Decode is a browser-based tool for Encode text to Base64 or decode it instantly. This guide explains the result, the calculation or processing method, and correct usage. Calculation or Processing Method Choose encode or decode, enter the text, and never treat Base64 as a method for protecting secrets. Formula or method: Base64 maps binary data to four printable characters for every three input bytes; it is encoding, not encryption. How to Use It Open the tool and choose the required unit, mode, or options. Enter values or paste text into the input fields. Review the result, copy it, or continue with a related tool. Important Notes Use consistent units and verify values before calculating. Incomplete or invalid input can produce an incomplete result. Related Tools Tools that support the same workflow: JSON Formatter — Format, validate, and minify JSON with syntax highlighting. Base64 Encoder/Decoder — Encode and decode text or files in Base64. Hash Generator — Generate MD5, SHA-1, SHA-256 hashes for text. Frequently Asked Questions How does Base64 Encode & Decode work? Choose encode or decode, enter the text, and never treat Base64 as a method for protecting secrets. What formula does Base64 Encode & Decode use? Base64 maps binary data to four printable characters for every three input bytes; it is encoding, not enc