Base64 Encoder & Decoder – Convert Text & Files

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Encode text, images, and files to Base64 or decode Base64 strings instantly. Supports data URI generation. All processing is browser-side.

Base64 Encoder / Decoder

Instantly encode text to Base64 or decode Base64 back to text

URL-safe

Plain text

Base64 output

Encoded Base64 will appear here

Type or paste text above to begin

What is Base64 Encoder & Decoder?

Encode or decode Base64 for text, images, and files. Generate data URIs for embedding images in HTML/CSS. Drag-and-drop file support with automatic format detection — all client-side.

base64encoderdecoderdata uribinary encoding

Base64 Encoder & Decoder Features

File & Text Support

Encode any file or plain text with drag-and-drop.

Data URI Output

Auto-generates data URI format for HTML/CSS embedding.

Base64 Encoder & Decoder FAQ

Yes — by approximately 33%. A 100 KB file becomes ~133 KB encoded. Use data URIs for small images; for larger files, serve them separately.

No — Base64 is encoding, not encryption. Anyone can decode it instantly. Never use it to secure sensitive data.