Input PLAIN TEXT
Output BASE64

Safe, Fast & UTF-8 Compliant Encoding

Standard browser encoding tools often fail on non-ASCII characters or corrupt emojis. This workspace implements full UTF-8 byte streams, ensuring your accents, symbols, and multilingual payloads stay intact.

Base64URL Safe (RFC 4648 §5)Converts standard Base64 characters into URL and filename safe representations by substituting + with - and / with _, preventing accidental URL parsing breaks.

100% Client-Side PrivacyNone of your sensitive payloads or API keys are transmitted across the network. All conversions occur locally in your browser memory.

Using Base64 & URL

Choose the encoding and direction, then enter your text. Base64 is an encoding format, not encryption, and does not protect confidential information.