Online Base64 Encoder & Decoder

Encode text to Base64 or decode Base64 strings instantly using this free online Base64 encoder and decoder. Ideal for developers working with APIs, authentication headers, binary data, or data transmission. Everything runs securely in your browser.

• ✔Encode plain text to Base64
• ✔Decode Base64 back to readable text
• ✔Upload files and convert content
• ✔Copy encoded or decoded output instantly
• ✔Runs fully client-side for privacy