Felo

Text to Binary Converter Online

Convert text to binary codes or decode binary back into text. Source-compatible UTF-16 behavior is available by default, with explicit strict ASCII and UTF-8 byte modes plus validation for malformed input. Try it online.

What is Text to Binary Converter Online?

Text to Binary Converter Online turns text into space-separated base-two character codes and can decode those codes back into text. This is deterministic character encoding, not translation between languages. By default, it reproduces a common online converter rule: each UTF-16 code unit becomes binary and is padded to at least eight digits.

You can also request strict ASCII or UTF-8. Naming the mode matters because ordinary English characters often look identical across these encodings, while accented letters, emoji, and other Unicode characters may produce different binary sequences.

Key Features

Two-way conversion: Encode text as binary or decode space-separated binary values.
Three explicit modes: Use source-compatible UTF-16 code units, strict 8-bit ASCII, or UTF-8 bytes.
Exact text handling: Spaces, punctuation, capitalization, tabs, and line breaks are encoded rather than discarded.
Input validation: Tokens containing characters other than 0 and 1, incorrect token widths, and out-of-range values are identified clearly.
Copyable results: The converted value appears first in a separate code block.

How to Use

Enter a request such as “Convert Hello! to binary” or paste binary and say “Decode this.”
Optionally name the encoding: source-compatible UTF-16, ASCII, or UTF-8. If omitted, the converter uses source-compatible mode.
Copy the result from the first code block. Review any short note if the input contains Unicode or malformed binary.

For example, converting Hi in the default mode produces:

01001000 01101001

Decoding that same sequence returns Hi.

Example Use Cases

Use an English to binary converter with spaces between bytes for a classroom exercise or puzzle.
Convert text to binary ASCII codes when checking ordinary keyboard characters such as letters, digits, and punctuation.
Use a UTF-8 text to binary converter for emoji when you need byte-level output rather than UTF-16 code units.

Tips for Best Results

State the encoding when your text contains accented characters, non-Latin scripts, or emoji.
Keep binary chunks separated by whitespace. In ASCII and UTF-8 modes, use exactly eight bits per byte.
Put text in a fenced code block when leading, trailing, or repeated whitespace must be preserved visibly.

FAQ

What input formats and limits are supported?
Paste plain text for encoding or whitespace-separated binary chunks for decoding. The agent returns the complete result when it fits the available response. For larger results, it returns the largest complete prefix that fits as a numbered part, reports the exact stopping position, preserves the original input in conversation context, and asks you to request the next part. It never truncates silently. Files and images are not inputs for this text converter.

How accurate are the results?
Conversion is performed with deterministic rules and checked for token count and round-trip consistency where possible. Accuracy depends on using the same encoding for both directions. Strict ASCII rejects characters outside U+0000–U+007F instead of guessing.

How does it compare with the original text tool?
The original page describes ASCII but its captured forward algorithm processes UTF-16 code units and pads each value to at least eight bits. This conversational version preserves that behavior as its default while labeling it accurately, validating reverse input, and offering explicit ASCII and UTF-8 modes.