↖  Base64在线编码解码 Base64 decode and encode online..


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base64decode.org , 流传 12年(始于2010年), 1059, 116, 41

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.


了解Base64解码和编码,这是一个简单的在线工具,完全按照它所说的做:从Base64编码解码,以及快速轻松地编码到它。Base64可以轻松地对数据进行编码或将其解码为可读格式。
当需要对二进制数据进行编码时,通常使用Base64编码方案,特别是当需要在设计用于处理文本的媒体上存储和传输数据时。这种编码有助于确保数据在传输过程中保持完好无损。Base64通常用于许多应用程序,包括通过MIME发送电子邮件,以及以XML或JSON格式存储复杂数据。


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.

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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.

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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.


  • 首发时期:2010-02-01   国家/地区:美國   语言:English
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  • 195, 2021-03-23 22:44, 1
    的确是好工具帮手 👍 👎 ✍️
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