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Base64 Encoder / Decoder

Encode text to Base64 or decode Base64 strings back to clean UTF-8 text with URL-safe encoding support.

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How to use the Base64 Encoder / Decoder

1

Select Mode

Choose Encode or Decode tab.

2

Paste String

Paste your raw text or Base64 payload.

3

Copy Converted Data

Instant conversion updates as you type.

Key Features & Accuracy

verifiedFull UTF-8 Encoding

Supports multi-byte international characters, symbols, and emojis without mangling.

verifiedURL-Safe Base64

Replaces + and / with - and _ for safe inclusion in query parameters and JWT tokens.

Frequently Asked Questions

Base64 encodes 3 bytes of binary data into 4 ASCII characters, resulting in an ~33% size increase.

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URL Encoder / Decoder

Percent-encode and decode URLs and URI query parameters according to RFC 3986 standards.

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JSON Formatter & Validator

Prettify, minify, and validate nested JSON payloads with accurate syntax error line & column highlighting.

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TaskKit never records, stores, or transmits the contents of your tool workspaces. Your data stays securely on your machine.