Base64 Encoder
Convert plain text into a Base64-encoded string instantly, right in your browser.
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Encoders and Decoders
Encode and decode Base64, URLs, HTML entities and images, and read JSON Web Tokens — right in your browser.
Encoders & Decoders
Base64 Decoder
Convert a Base64-encoded string back into readable text instantly, right in your browser.
Image Base 64 Encoder
Upload an image and instantly get its Base64-encoded string or data URI, ready to embed in HTML, CSS, or JSON.
Image Base 64 Decoder
Paste a Base64 string or data URI and instantly preview and download the original image.
URL Encoder
Encode text for use in a URL, or decode a percent-encoded URL back to readable text — results appear as you type.
HTML encoder/decoder
Escape text for safe use in HTML, or turn HTML entities back into readable characters — results appear as you type.
JWT Decoder
Decode a JSON Web Token to read its header and payload, see when it expires and verify an HMAC signature — right in your browser.