Base64 Konverter

Text und Dateien in Base64-Format kodieren und dekodieren.

Wie man Base64 Konverter verwendet

Select encode to convert to Base64 or decode to convert back

Type text or upload a file to encode or paste Base64 to decode

Click to transform between text file and Base64 instantly

Copy Base64 string or decoded output for APIs and CSS data URIs

Encode JSON payloads to Base64 for testing REST APIs

Convert small images to Base64 data URIs for HTML emails

Convert icons to Base64 so they load without extra HTTP requests

A: Base64 is encoding not encryption. Anyone can decode it.

A: Base64 increases size by about 33% because it uses printable characters.

A: Yes any file type can be encoded including images PDFs and ZIPs.