Decode it.
>>> b'a string'.decode('ascii')
'a string'
To get bytes from string, encode it.
>>> 'a string'.encode('ascii')
b'a string'
Python documentation
docs.python.org โบ 3 โบ reference โบ datamodel.html
3. Data model โ Python 3.14.3 documentation
These represent numbers in an unlimited range, subject to available (virtual) memory only. For the purpose of shift and mask operations, a binary representation is assumed, and negative numbers are represented in a variant of 2โs complement which gives the illusion of an infinite string of sign ...
String to binary
https://www.geeksforgeeks.org/python-convert-string-to-binary/ https://stackoverflow.com/questions/18815820/convert-string-to-binary-in-python https://www.tutorialspoint.com/How-to-convert-string-to-binary-in-Python Google is your friend !!! More on reddit.com
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May 6, 2020how do i convert string to binary string and the reverse too?
If you simply want to see the string output in binary, I just do: print(bin(yournumberhere)) More on reddit.com
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October 27, 2022Binary to String/Text in Python - Stack Overflow
I have searched many times online and I have not been able to find a way to convert my binary string variable, X X = "1000100100010110001101000001101010110011001010100" into a UTF-8 string value. I More on stackoverflow.com
binary data to string
I think you need to be a little more specific. More on reddit.com
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December 17, 2024Videos
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Top answer 1 of 10
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Something like this?
>>> st = "hello world"
>>> ' '.join(format(ord(x), 'b') for x in st)
'1101000 1100101 1101100 1101100 1101111 100000 1110111 1101111 1110010 1101100 1100100'
#using `bytearray`
>>> ' '.join(format(x, 'b') for x in bytearray(st, 'utf-8'))
'1101000 1100101 1101100 1101100 1101111 100000 1110111 1101111 1110010 1101100 1100100'
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If by binary you mean bytes type, you can just use encode method of the string object that encodes your string as a bytes object using the passed encoding type. You just need to make sure you pass a proper encoding to encode function.
In [9]: "hello world".encode('ascii')
Out[9]: b'hello world'
In [10]: byte_obj = "hello world".encode('ascii')
In [11]: byte_obj
Out[11]: b'hello world'
In [12]: byte_obj[0]
Out[12]: 104
Otherwise, if you want them in form of zeros and ones --binary representation-- as a more pythonic way you can first convert your string to byte array then use bin function within map :
>>> st = "hello world"
>>> map(bin,bytearray(st))
['0b1101000', '0b1100101', '0b1101100', '0b1101100', '0b1101111', '0b100000', '0b1110111', '0b1101111', '0b1110010', '0b1101100', '0b1100100']
Or you can join it:
>>> ' '.join(map(bin,bytearray(st)))
'0b1101000 0b1100101 0b1101100 0b1101100 0b1101111 0b100000 0b1110111 0b1101111 0b1110010 0b1101100 0b1100100'
Note that in python3 you need to specify an encoding for bytearray function :
>>> ' '.join(map(bin,bytearray(st,'utf8')))
'0b1101000 0b1100101 0b1101100 0b1101100 0b1101111 0b100000 0b1110111 0b1101111 0b1110010 0b1101100 0b1100100'
You can also use binascii module in python 2:
>>> import binascii
>>> bin(int(binascii.hexlify(st),16))
'0b110100001100101011011000110110001101111001000000111011101101111011100100110110001100100'
hexlify return the hexadecimal representation of the binary data then you can convert to int by specifying 16 as its base then convert it to binary with bin.
GeeksforGeeks
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Convert binary to string using Python - GeeksforGeeks
July 12, 2025 - We are given a binary string and need to convert it into a readable text string. The goal is to interpret the binary data, where each group of 8 bits represents a character and decode it into its corresponding text.
GeeksforGeeks
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Convert String to Binary - Python - GeeksforGeeks
July 12, 2025 - Explanation: converts each character in txt to its 8-bit binary form using ord() and format() then joins them into one binary string using join().
Reddit
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r/learnpython on Reddit: String to binary
May 6, 2020 -
I want a function that takes for example 'Hello brother! ๐'(a combination of any unicode symbols) as input and outputs the binary equivalent using utf-8 so here:
'01001000 01100101 01101100 01101100 01101111 00100000 01100010 01110010 01101111 01110100 01101000 01100101 01110010 00100001 00100000 11110000 10011111 10011000 10001010'
The output should also be a string.
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https://www.geeksforgeeks.org/python-convert-string-to-binary/ https://stackoverflow.com/questions/18815820/convert-string-to-binary-in-python https://www.tutorialspoint.com/How-to-convert-string-to-binary-in-Python Google is your friend !!!
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Use ord() to convert the number to int, and then just print that int as a binary. If you're struggling, post your code and we'll see if we can guide you in the right direction!
Python documentation
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Built-in Types โ Python 3.14.3 documentation
February 25, 2026 - Two methods support conversion to and from hexadecimal strings. Since Pythonโs floats are stored internally as binary numbers, converting a float to or from a decimal string usually involves a small rounding error. In contrast, hexadecimal strings allow exact representation and specification ...
Reddit
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r/learnpython on Reddit: how do i convert string to binary string and the reverse too?
October 27, 2022 -
is there any proper method to convert a string in utf-8 encoded formant to binary string format and the reverse too. like example
data = "this string".encode("utf-8")
data = func(data)
print(data) #want to have a string as output like "0101010101111010101010......."
Top answer 1 of 3
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If you simply want to see the string output in binary, I just do: print(bin(yournumberhere))
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Python - Modify Strings
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Representing binary data with bytes - Python Morsels
December 27, 2021 - If we loop over a string in Python, we'll get back sub-strings representing each of the characters in that string: >>> text = "hello" >>> list(text) ['h', 'e', 'l', 'l', 'o'] What do you think we'll get if we loop over a bytes object? ... Since bytes objects represent binary data, when we loop over them we get back numbers (from 0 to 255) representing each of the bytes in that binary data:
scikit-learn
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3.4. Metrics and scoring: quantifying the quality of predictions โ scikit-learn 1.8.0 documentation
Note that the dict values can either be scorer functions or one of the predefined metric strings. As a callable that returns a dictionary of scores: >>> from sklearn.model_selection import cross_validate >>> from sklearn.metrics import confusion_matrix >>> # A sample toy binary classification dataset >>> X, y = datasets.make_classification(n_classes=2, random_state=0) >>> svm = LinearSVC(random_state=0) >>> def confusion_matrix_scorer(clf, X, y): ...
Educative
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How to convert string to binary in Python
Next, we can append these binary values to a list (m) so that m now consists of the binary numbers from the strings given and can be returned or printed.
Python documentation
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sqlite3 โ DB-API 2.0 interface for SQLite databases
February 25, 2026 - Source code: Lib/sqlite3/ SQLite is a C library that provides a lightweight disk-based database that doesnโt require a separate server process and allows accessing the database using a nonstandard ...
Top answer 1 of 6
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It looks like you are trying to decode ASCII characters from a binary string representation (bit string) of each character.
You can take each block of eight characters (a byte), convert that to an integer, and then convert that to a character with chr():
>>> X = "0110100001101001"
>>> print(chr(int(X[:8], 2)))
h
>>> print(chr(int(X[8:], 2)))
i
Assuming that the values encoded in the string are ASCII this will give you the characters. You can generalise it like this:
def decode_binary_string(s):
return ''.join(chr(int(s[i*8:i*8+8],2)) for i in range(len(s)//8))
>>> decode_binary_string(X)
hi
If you want to keep it in the original encoding you don't need to decode any further. Usually you would convert the incoming string into a Python unicode string and that can be done like this (Python 2):
def decode_binary_string(s, encoding='UTF-8'):
byte_string = ''.join(chr(int(s[i*8:i*8+8],2)) for i in range(len(s)//8))
return byte_string.decode(encoding)
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To convert bits given as a "01"-string (binary digits) into the corresponding text in Python 3:
>>> bits = "0110100001101001"
>>> n = int(bits, 2)
>>> n.to_bytes((n.bit_length() + 7) // 8, 'big').decode()
'hi'
For Python 2/3 solution, see Convert binary to ASCII and vice versa.
Reddit
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r/learnpython on Reddit: binary data to string
December 17, 2024 -
Hi how can i convert a binary data (read from any file) to a string which contains the exact same binary data so that i can manipulate it
Hacker News
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We rewrote our Rust WASM parser in TypeScript and it got faster | Hacker News
1 week ago - The port had been done in a weekend just to see if we could use Python in production. The C++ code had taken a few months to write. The port was pretty direct, function for function. It was even line for line where language and library differences didn't offer an easier way ยท A couple of us ...
Reintech
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Python: Working with the bin() Method | Reintech media
January 20, 2026 - The bin() method in Python is a built-in function that allows you to convert an integer into its binary representation. This tutorial covers how to use this method and how it can be combined with other string methods.
Python
docs.python.org โบ 3 โบ library โบ binascii.html
binascii โ Convert between binary and ASCII
Changed in version 3.3: ASCII-only unicode strings are now accepted by the a2b_* functions. The binascii module defines the following functions: ... Convert a single line of uuencoded data back to binary and return the binary data.
FavTutor
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Convert Binary String to Int in Python (with code)
September 12, 2023 - ... # initialize a binary string bString = "10101" # conversion value = int(bString, 2) # display the converted value print(value) ... In Python, we may use the bin() function to convert a string to binary.
Tistory
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Binary to String, String to Binary :: ๊ฐ์ธ ๋ธ๋ก๊ทธ
March 9, 2018 - ๊ฐ๋จํ๋ค. Code snippets to show you how to convert string to bytes and vice versa.1. To convert a string to bytes.data = "" #string data = "".encode()#bytes data = b"" #bytes2. To convert bytes to a String.data = b"" #bytes data = b"".decode() #string data = str(b"") #stringP.S Tested with Python 3.4.3