Base64 Encode / Decode

Convert text to Base64 or decode Base64 strings back to readable text. Ideal for developers, API work, JWT debugging, and data encoding.[web:203][web:205][web:212]

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Encode → Base64
AD SLOT #1 (TOP) — delete this <section> and paste your responsive AdSense code here (e.g., display auto) for high viewability above the tool.[web:97][web:131][web:126]

Input text / Base64

Paste plain text to encode, or Base64 to decode. All processing runs locally in your browser.[web:206][web:210][web:212]

Base64 encoded result

Copy the result with one click and use it in headers, tokens, or embedded data.[web:207][web:210][web:212]

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AD SLOT #2 (IN-CONTENT) — delete this <section> and paste a responsive in-article AdSense unit here between the tool and description for good viewability and UX.[web:97][web:131][web:126]

What is Base64 encoding?

Base64 is a binary-to-text encoding scheme used to represent binary data as ASCII text. It is commonly used in emails, data URLs, and safely transmitting data over text-based protocols.[web:212][web:214][web:219]

When to use Base64 encode / decode

  • Embedding images or files in HTML/CSS as Base64 data URLs.[web:208][web:212][web:214]
  • Encoding binary tokens or parameters for APIs and web requests.[web:206][web:210][web:213]
  • Decoding Base64 strings found in logs, JWTs, or configuration files.[web:212][web:214]
AD SLOT #3 (BOTTOM) — delete this <section> and paste a footer/bottom AdSense unit here to capture engaged users without cluttering the UI.[web:97][web:131][web:126]