Convert Text to Binary Online (and Back)

Homework asks for a binary representation. A CTF write-up shows a bit string. A teacher demo needs “hello” as ones and zeros. Doing it nibble-by-nibble on paper is slow and error-prone.

Text to Binary encodes your paste. Use Binary to Text when you already have the bit string and need readable characters. Conversion stays in the browser — fine for classroom strings; still don’t paste production secrets into any random site habitually.

Encode and decode

1. Open Text to Binary for text → bits.
2. Open Binary to Text for bits → text.
3. Copy results into your assignment or notes.

For Base64 (common in APIs), use Text to Base64. For code-point lists, try Text to ASCII.

Tips

• Spacing in binary output varies by tool — match what your assignment expects (groups of 8 bits are common).
• Non-ASCII characters need a defined encoding (UTF-8). If decode looks wrong, check encoding assumptions.
• Binary is a representation, not encryption.

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FAQ

Free and private?

Yes — local conversion.

Why does decode fail?

Broken spacing, missing bits, or mixed encodings. Paste a clean 8-bit grouped string and retry.

Same as Base64?

No. Binary is bits; Base64 is a different ASCII-safe encoding.