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1 forms found in the DOM

Name: text — POST https://www.base64encode.org/

<form method="post" name="text" action="https://www.base64encode.org/">
  <textarea name="input" id="input" placeholder="Type (or paste) here..." spellcheck="false"></textarea>
  <span class="info"><i class="fas fa-info-circle"></i>To encode binaries (like images, documents, etc.) use the file upload form a little further down on this page.</span>
  <span class="option"><label for="option_text_charset"><select name="charset" id="option_text_charset">
        <optgroup label="Populars">
          <option value="UTF-8" selected="">UTF-8</option>
          <option value="ASCII">ASCII</option>
          <option value="ISO-8859-1">ISO-8859-1</option>
          <option value="ISO-8859-2">ISO-8859-2</option>
          <option value="ISO-8859-6">ISO-8859-6</option>
          <option value="ISO-8859-15">ISO-8859-15</option>
          <option value="Windows-1252">Windows-1252</option>
        </optgroup>
        <optgroup label="Others">
          <option value="ArmSCII-8">ArmSCII-8</option>
          <option value="BIG-5">BIG-5</option>
          <option value="CP850">CP850</option>
          <option value="CP866">CP866</option>
          <option value="CP932">CP932</option>
          <option value="CP936">CP936</option>
          <option value="CP950">CP950</option>
          <option value="CP50220">CP50220</option>
          <option value="CP50221">CP50221</option>
          <option value="CP50222">CP50222</option>
          <option value="CP51932">CP51932</option>
          <option value="EUC-CN">EUC-CN</option>
          <option value="EUC-JP">EUC-JP</option>
          <option value="EUC-KR">EUC-KR</option>
          <option value="EUC-TW">EUC-TW</option>
          <option value="GB18030">GB18030</option>
          <option value="HZ">HZ</option>
          <option value="ISO-2022-JP">ISO-2022-JP</option>
          <option value="ISO-2022-KR">ISO-2022-KR</option>
          <option value="ISO-8859-3">ISO-8859-3</option>
          <option value="ISO-8859-4">ISO-8859-4</option>
          <option value="ISO-8859-5">ISO-8859-5</option>
          <option value="ISO-8859-7">ISO-8859-7</option>
          <option value="ISO-8859-8">ISO-8859-8</option>
          <option value="ISO-8859-9">ISO-8859-9</option>
          <option value="ISO-8859-10">ISO-8859-10</option>
          <option value="ISO-8859-13">ISO-8859-13</option>
          <option value="ISO-8859-14">ISO-8859-14</option>
          <option value="ISO-8859-16">ISO-8859-16</option>
          <option value="JIS">JIS</option>
          <option value="KOI8-R">KOI8-R</option>
          <option value="KOI8-U">KOI8-U</option>
          <option value="SJIS">SJIS</option>
          <option value="UCS-2">UCS-2</option>
          <option value="UCS-2BE">UCS-2BE</option>
          <option value="UCS-2LE">UCS-2LE</option>
          <option value="UCS-4">UCS-4</option>
          <option value="UCS-4BE">UCS-4BE</option>
          <option value="UCS-4LE">UCS-4LE</option>
          <option value="UHC">UHC</option>
          <option value="UTF-7">UTF-7</option>
          <option value="UTF-16">UTF-16</option>
          <option value="UTF-16BE">UTF-16BE</option>
          <option value="UTF-16LE">UTF-16LE</option>
          <option value="UTF-32">UTF-32</option>
          <option value="UTF-32BE">UTF-32BE</option>
          <option value="UTF-32LE">UTF-32LE</option>
          <option value="UTF7-IMAP">UTF7-IMAP</option>
          <option value="Windows-1251">Windows-1251</option>
          <option value="Windows-1254">Windows-1254</option>
        </optgroup>
      </select>Destination character set.</label></span>
  <span class="option"><label for="option_text_separator"><select name="separator" id="option_text_separator">
        <option value="lf">LF (Unix)</option>
        <option value="crlf">CRLF (Windows)</option>
      </select>Destination newline separator.</label></span>
  <span class="option"><label for="option_text_newlines"><input type="checkbox" name="newlines" id="option_text_newlines"><span></span>Encode each line separately (useful for when you have multiple entries).</label></span>
  <span class="option"><label for="option_text_chunks"><input type="checkbox" name="chunks" id="option_text_chunks"><span></span>Split lines into 76 character wide chunks (useful for MIME).</label></span>
  <span class="option"><label for="option_text_urlsafe"><input type="checkbox" name="urlsafe" id="option_text_urlsafe"><span></span>Perform URL-safe encoding (uses Base64URL format).</label></span>
  <span class="option"><label for="option_text_live"><button type="button" class="live" id="option_text_live"><i class="fas fa-toggle-off"></i>Live mode OFF</button>Encodes in real-time as you type or paste (supports only the UTF-8 character
      set).</label></span>
  <span class="option"><button type="submit" id="submit_text"><i class="fas fa-chevron-right"></i>ENCODE<i class="fas fa-chevron-left"></i></button><label for="output">Encodes your data into the area below.</label></span>
</form>

Text Content

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We and our partners store and/or access information on a device, such as cookies
and process personal data, such as unique identifiers and standard information
sent by a device for personalised ads and content, ad and content measurement,
and audience insights, as well as to develop and improve products. With your
permission we and our partners may use precise geolocation data and
identification through device scanning. You may click to consent to our and our
partners’ processing as described above. Alternatively you may access more
detailed information and change your preferences before consenting or to refuse
consenting. Please note that some processing of your personal data may not
require your consent, but you have a right to object to such processing. Your
preferences will apply to this website only. You can change your preferences at
any time by returning to this site or visit our privacy policy.
MORE OPTIONSAGREE
BASE64Decode and Encode
Decode Encode

Language: English Español Français Deutsch

Do you have to deal with Base64 format? Then this site is perfect for you! Use
our super handy online tool to encode or decode your data.


ENCODE TO BASE64 FORMAT

Simply enter your data then push the encode button.
To encode binaries (like images, documents, etc.) use the file upload form a
little further down on this page.
UTF-8ASCIIISO-8859-1ISO-8859-2ISO-8859-6ISO-8859-15Windows-1252ArmSCII-8BIG-5CP850CP866CP932CP936CP950CP50220CP50221CP50222CP51932EUC-CNEUC-JPEUC-KREUC-TWGB18030HZISO-2022-JPISO-2022-KRISO-8859-3ISO-8859-4ISO-8859-5ISO-8859-7ISO-8859-8ISO-8859-9ISO-8859-10ISO-8859-13ISO-8859-14ISO-8859-16JISKOI8-RKOI8-USJISUCS-2UCS-2BEUCS-2LEUCS-4UCS-4BEUCS-4LEUHCUTF-7UTF-16UTF-16BEUTF-16LEUTF-32UTF-32BEUTF-32LEUTF7-IMAPWindows-1251Windows-1254Destination
character set. LF (Unix)CRLF (Windows)Destination newline separator. Encode each
line separately (useful for when you have multiple entries). Split lines into 76
character wide chunks (useful for MIME). Perform URL-safe encoding (uses
Base64URL format). Live mode OFFEncodes in real-time as you type or paste
(supports only the UTF-8 character set). ENCODEEncodes your data into the area
below.


ENCODE FILES TO BASE64 FORMAT

Select a file to upload and process, then you can download the encoded result.
0 Click (or tap) here to select a file
The maximum file size is 192MB. BINARY (no
conv.)UTF-8ASCIIISO-8859-1ISO-8859-2ISO-8859-6ISO-8859-15Windows-1252ArmSCII-8BIG-5CP850CP866CP932CP936CP950CP50220CP50221CP50222CP51932EUC-CNEUC-JPEUC-KREUC-TWGB18030HZISO-2022-JPISO-2022-KRISO-8859-3ISO-8859-4ISO-8859-5ISO-8859-7ISO-8859-8ISO-8859-9ISO-8859-10ISO-8859-13ISO-8859-14ISO-8859-16JISKOI8-RKOI8-USJISUCS-2UCS-2BEUCS-2LEUCS-4UCS-4BEUCS-4LEUHCUTF-7UTF-16UTF-16BEUTF-16LEUTF-32UTF-32BEUTF-32LEUTF7-IMAPWindows-1251Windows-1254Destination
character set for text files. LF (Unix)CRLF (Windows)Newline separator (for the
"encode each line separately" and "split lines into chunks" functions). Encode
each line separately (useful for when you have multiple entries). Split lines
into 76 character wide chunks (useful for MIME). Perform URL-safe encoding (uses
Base64URL format). ENCODE
Working...
Please wait until the encoding process is complete.
Success!
{{ output }} to download the encoded file.
Please note that this file is removed from our system immediately after the
first download attempt or 15 minutes of inactivity.
Error!Something went wrong:{{ error }}


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ABOUT

Meet Base64 Decode and Encode, a simple online tool that does exactly what it
says: decodes from Base64 encoding as well as encodes into it quickly and
easily. Base64 encode your data without hassles or decode it into a
human-readable format.

Base64 encoding schemes are commonly used when there is a need to encode binary
data, especially when that data needs to be stored and transferred over media
that are designed to deal with text. This encoding helps to ensure that the data
remains intact without modification during transport. Base64 is used commonly in
a number of applications including email via MIME, as well as storing complex
data in XML or JSON.

Advanced options

 * Character set: Our website uses the UTF-8 character set, so your input data
   is transmitted in that format. Change this option if you want to convert the
   data to another character set before encoding. Note that in case of text
   data, the encoding scheme does not contain the character set, so you may have
   to specify the appropriate set during the decoding process. As for files, the
   binary option is the default, which will omit any conversion; this option is
   required for everything except plain text documents.
 * Newline separator: Unix and Windows systems use different line break
   characters, so prior to encoding either variant will be replaced within your
   data by the selected option. For the files section, this is partially
   irrelevant since files already contain the corresponding separators, but you
   can define which one to use for the "encode each line separately" and "split
   lines into chunks" functions.
 * Encode each line separately: Even newline characters are converted to their
   Base64-encoded forms. Use this option if you want to encode multiple
   independent data entries separated with line breaks. (*)
 * Split lines into chunks: The encoded data will become a continuous text
   without any whitespaces, so check this option if you want to break it up into
   multiple lines. The applied character limit is defined in the MIME (RFC 2045)
   specification, which states that the encoded lines must be no more than 76
   characters long. (*)
 * Perform URL-safe encoding: Using standard Base64 in URLs requires encoding of
   "+", "/" and "=" characters into their percent-encoded form, which makes the
   string unnecessarily longer. Enable this option to encode into an URL- and
   filename- friendly Base64 variant (RFC 4648 / Base64URL) where the "+" and
   "/" characters are respectively replaced by "-" and "_", as well as the
   padding "=" signs are omitted.
 * Live mode: When you turn on this option the entered data is encoded
   immediately with your browser's built-in JavaScript functions, without
   sending any information to our servers. Currently this mode supports only the
   UTF-8 character set.

(*) These options cannot be enabled simultaneously since the resulting output
would not be valid for the majority of applications.

Safe and secure

All communications with our servers come through secure SSL encrypted
connections (https). We delete uploaded files from our servers immediately after
being processed and the resulting downloadable file is deleted right after the
first download attempt or 15 minutes of inactivity (whichever is shorter). We do
not keep or inspect the contents of the submitted data or uploaded files in any
way. Read our privacy policy below for more details.

Completely free

Our tool is free to use. From now on, you don't need to download any software
for such simple tasks.

Details of the Base64 encoding

Base64 is a generic term for a number of similar encoding schemes that encode
binary data by treating it numerically and translating it into a base-64
representation. The Base64 term originates from a specific MIME-content transfer
encoding.

Design

The particular choice of characters to make up the 64 characters required for
Base64 varies between implementations. The general rule is to choose a set of 64
characters that is both 1) part of a subset common to most encodings, and 2)
also printable. This combination leaves the data unlikely to be modified in
transit through systems such as email, which were traditionally not 8-bit clean.
For example, MIME's Base64 implementation uses A-Z, a-z, and 0-9 for the first
62 values, as well as "+" and "/" for the last two. Other variations, usually
derived from Base64, share this property but differ in the symbols chosen for
the last two values; an example is the URL and filename safe "RFC 4648 /
Base64URL" variant, which uses "-" and "_".

Example

Here's a quote snippet from Thomas Hobbes's Leviathan:

"Man is distinguished, not only by his reason, but ..."

This is represented as an ASCII byte sequence and encoded in MIME's Base64
scheme as follows:

TWFuIGlzIGRpc3Rpbmd1aXNoZWQsIG5vdCBvbmx5IGJ5IGhpcyByZWFzb24sIGJ1dCAuLi4=

In the above quote the encoded value of Man is TWFu. Encoded in ASCII, the
letters "M", "a", and "n" are stored as the bytes 77, 97, 110, which are
equivalent to "01001101", "01100001", and "01101110" in base-2. These three
bytes are joined together in a 24 bit buffer producing the binary sequence
"010011010110000101101110". Packs of 6 bits (6 bits have a maximum of 64
different binary values) are converted into 4 numbers (24 = 4 * 6 bits) which
are then converted to their corresponding values in Base64.



Text content M a n ASCII 77 97 110 Bit pattern 0 1 0 0 1 1 0 1 0 1 1 0 0 0 0 1 0
1 1 0 1 1 1 0 Index 19 22 5 46 Base64-encoded T W F u


As this example illustrates, Base64 encoding converts 3 uncoded bytes (in this
case, ASCII characters) into 4 encoded ASCII characters.
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