Base64 Decoder / Encoder

Drag any file to encode into Base64, or paste Base64 to rebuild files. Everything stays in your browser.

Encode file

Drop a file and get Base64 instantly.

Drop file here or browse from your device

File URL

Downloads stay in your browser. Some hosts block cross-origin requests.

File No file selected

Type -

Size -

Include data URL prefix Base64 output

Ready.

Paste Base64 (raw or data URL) and rebuild the file.

Base64 input

File name MIME type (optional)

Detected type -

Size -

Status Waiting.

Your file never leaves the browser.

Generate a one-way hash for a file or text.

Drop file to hash or browse from your device

File No file selected

Type -

Size -

Text input

SHA-256 output

One-way hashing only (no reverse).