Convert Binary to Text
Decode binary strings (0s and 1s) back into readable UTF-8 text. Supports emojis and file uploads.
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Decode the Machine Language
The Convert Binary to Text tool is your Rosetta Stone for the digital world. It takes cryptic streams of zeros and ones—the native language of processors—and translates them back into human-readable English, symbols, and even emojis. Whether you're solving a CTF puzzle or debunking a nerd joke, this tool reveals the hidden message instantly.
Common Uses
CTF & Puzzles
Cybersecurity challenges (Capture The Flag) often hide flags or clues in binary strings. Decode them here instantly.
Data Recovery
Analyze raw data dumps, memory inspections, or network packets to see if they contain readable text strings.
How Decoding Works
- Cleaning:
First, we strip away spaces, newlines, and commas. We only care about the sequence of
0s and1s. - Chunking:
We slice the continuous stream into groups of 8 bits (1 byte). E.g.
01001000... - Translation:
Each byte converts to a decimal number, which maps to a character in the standard table.
Live Example
Advanced Capabilities
- UTF-8 EngineWe don't limit you to ASCII. We can decode multi-byte characters like emojis and foreign scripts properly.
- Smart ParsingPaste messy code? No problem. We automatically filter out formatting to find the data.
- Bulk ProcessingUpload entire text files of binary data to decode large messages at once.
Frequently Asked Questions
How does binary to text conversion work?
The tool groups your binary string into chunks of 8 bits (bytes). Each byte represents a number (0-255), and that number corresponds to a specific character in the ASCII or Unicode (UTF-8) standard.
What happens if I paste spaces or newlines?
Our smart cleaner automatically ignores any characters that aren't 0 or 1. You can paste code formatted with spaces, commas, or line breaks, and we'll decode it correctly.
Why is 'A' represented as 01000001?
The letter 'A' is assigned the decimal number 65 in the ASCII standard. When you convert 65 into binary (base-2), it becomes 1000001. We pad it with a zero to make it a full 8-bit byte: 01000001.
Can this tool decode emojis?
Yes! We use UTF-8 decoding. Emojis are stored as sequences of 4 bytes (32 bits). If you paste the correct 32-bit binary sequence for an emoji, our tool will display the icon.
What if my binary string is incomplete?
Binary text must be in multiples of 8 bits. If your string is cut off (e.g., 7 bits at the end), the last incomplete byte is usually ignored or may result in a 'replacement character' symbol.
Is my data safe?
100% safe. All conversion happens locally in your web browser via JavaScript. No data is ever sent to our servers.
How do I decode a binary text file?
Click the 'Load' button and select your .txt file. The tool will read the file, strip out non-binary characters, and decode the message instantly.
What is the difference between bits and bytes?
A 'bit' is a single 0 or 1. A 'byte' is a group of 8 bits. Text is essentially a long list of bytes.
Can I convert lower case and upper case letters?
Yes. In ASCII, 'a' (97) and 'A' (65) have different binary codes. Our tool preserves this case sensitivity exact to the original message.
Why do I see weird diamond symbols with question marks?
This usually means the binary code resulted in a byte sequence that isn't valid in UTF-8. It often happens if you try to decode binary data that isn't actually text (like an image or executable).
Is this tool free?
Yes, Convert Binary to Text is completely free to use with no limits on the amount of data you can decode.
What is the binary for a space?
The space character is 00100000. It is a valid character just like any letter.
Can I download the decoded text?
Yes, after decoding, click the 'Save' button to download the result as a plain text (.txt) file.
What is the maximum file size?
We support files up to 1MB. Since binary text is 8 times larger than normal text (string length), 1MB of binary holds about 128KB of actual text.
Why is binary base-2?
Digital electronics use switches (transistors) that have two states: high voltage (1) or low voltage (0). Base-2 is the most efficient mathematical way to represent these states.