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Free developer utility

Base64, URL & HTML Encoder / Decoder

Encode and decode Base64, URL-encoded strings, and HTML entities instantly. All processing happens client-side.

Three Encoders in One

Base64

Encode binary data and JSON for data URIs. Decode JWT payloads and API responses.

URL Encoding

Encode special characters for query strings and path segments. Decode messy URLs.

HTML Entities

Encode angle brackets and ampersands for safe HTML. Decode escaped HTML to plain text.

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