Base64 Encoder/Decoder converts text to Base64 and Base64 back to text directly in your browser. Unicode-safe encoding handles emojis, non-Latin scripts, and special characters correctly. One-click copy, swap input/output, and real-time conversion.
Base64 is used everywhere — data URLs, JWT tokens, email MIME encoding, basic auth headers, and embedded asset payloads. But browsers don't offer a quick way to encode or decode Base64 without writing code. This tool provides that. Paste any string to encode it, or paste any Base64 to decode it back to its original text. The encoder is Unicode-safe (unlike native btoa, which fails on characters outside Latin-1) — emojis, Chinese characters, Arabic, and every other script encode and decode correctly. The decoder handles both standard and URL-safe Base64 variants. Real-time conversion means you see the output update as you type, and a swap button lets you reverse input and output instantly.
Switch between encode and decode modes instantly. Convert plain text to Base64 or Base64 back to plain text — both directions supported.
Handles emojis, Chinese, Arabic, Hebrew, and every other script correctly. Unlike native browser btoa(), this encoder doesn't fail on non-Latin-1 input.
Copy the encoded or decoded result to clipboard with a single click — no need to manually select text.
The output updates as you type. No need to click a button — changes appear instantly for faster debugging.
Decodes both standard Base64 and URL-safe Base64 (used in JWT tokens, where + and / are replaced by - and _).
One button swaps the input and output fields — useful when you want to re-encode the decoded result or verify roundtrip accuracy.
Paste the payload portion of a JWT token to decode and inspect the claims. Faster than writing a decoder script just to read token contents.
Encode small text or image content to embed directly in CSS, HTML, or config files — useful for inline resources.
Decode Authorization: Basic headers to reveal username:password credentials during API debugging.
Decode Base64-encoded email attachments or body parts from raw MIME sources for inspection.
Encode binary or special-character strings for transmission in text-only channels (URLs, JSON, headers) where they'd otherwise break.
Click the Base64 icon in the DevSuite Pro dock or popup. A two-pane editor opens with Encode/Decode toggle.
Paste plain text to encode, or Base64 string to decode. The tool auto-detects which mode makes sense based on your selection.
Click Encode to convert text to Base64, or Decode to convert Base64 back to text. Current mode is clearly highlighted.
The converted result appears in the output pane immediately. Long outputs are scrollable and wrap by default.
Click the Copy button to save the output to your clipboard, or use Swap to move the output back as input for further conversion.
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