Encode text to Base64 or decode Base64 back to text.
THV0YVRlY2ggaXMgYSBmYXN0LCBtb2Rlcm4sIGFuZCBwcml2YXRlIGluLWJyb3dzZXIgZGlnaXRhbCB0b29scyBwbGF0Zm9ybS4=
Encode and decode text strings, binary files, and images into Base64 and Data URLs in real-time.
Paste any UTF-8 plaintext string or choose an image, audio clip, or binary document from your computer or phone.
Toggle between Encode (converts raw text/binary to Base64) or Decode (transforms Base64 back into readable UTF-8 text or downloadable files).
Copy the resulting Base64 string directly to your clipboard, grab ready-to-use Data URI snippets for CSS/HTML, or download decoded files.
Your files and data are processed directly inside your browser. No file uploads to external servers, ensuring zero risk of leaks.
Eliminate upload and download latency. Optimized algorithms deliver instant results without waiting in queues.
Seamlessly handles international alphabets, emojis, and accents without corrupted byte sequences or malformed URI errors.
Automatically generates standard data:image/png;base64,... syntax for rapid inlining of logos, SVGs, and web assets into CSS and HTML.
Encode local images, audio, and documents into Base64 without sending byte payloads to external cloud servers.
Authentication tokens, secret keys, and confidential text strings are processed exclusively in your browser memory and never logged.
Everything you need to know about Base64 Converter on LutaTech.