Base64 Encoder & Decoder
Encode and decode text strings, images, and files to/from Base64 and Data URIs instantly in your browser.
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Click or Drag & Drop Image or File
Supports PNG, JPG, WebP, SVG, PDF, TXT up to 25MB
Base64 Encoding FAQ
What is Base64 Encoding?
Base64 is a binary-to-text encoding scheme that translates binary data (like images or bytes) into an ASCII string format suitable for HTML, CSS, and API transmission.
Are my files uploaded to your servers?
No. All Base64 conversions occur 100% in your local browser using the JavaScript FileReader API.