DEVELOPER TOOL
Base64 Encoder/Decoder
Encode text to Base64 or decode Base64 back to readable text. Everything runs in your browser — no data leaves your device.
0 bytes
0 bytes
File → Base64
Upload any file to get its Base64-encoded string.
Drag & drop a file here or click to browse
Base64 → File
Paste a Base64 string and download it as a file.
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Frequently Asked Questions
Is this Base64 tool free?
Yes, completely free with no signup required.
Is my data sent to a server?
No. All encoding and decoding happens entirely in your browser. Your data never leaves your device.
What is Base64 encoding used for?
Base64 encodes binary data as ASCII text, commonly used in data URLs, email attachments (MIME), embedding images in CSS/HTML, and transmitting binary data through text-only channels.