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Format Conversion
Decode Quoted-Printable format to plain text
Execution
Fill in the form, run the tool, and review the result in one place.
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Tool usage guide
The Quoted-Printable Decoder is a specialized utility designed to convert Quoted-Printable encoded strings back into readable plain text. This format is commonly used in email headers and MIME content to ensure that non-ASCII characters are transmitted reliably across systems that only support 7-bit character sets.
Background
An email developer is analyzing raw logs where subject lines appear as '=?UTF-8?Q?Order=20Confirmation=20=23123?='.
Problem
The subject line is unreadable due to the Quoted-Printable encoding applied to the spaces and special characters.
How to use
Paste the encoded string into the decoder to reveal the original subject line.
Outcome
The tool outputs 'Order Confirmation #123', making the log data easy to interpret.
Background
A system administrator retrieved a text file from a legacy mail server where the content was stored in Quoted-Printable format.
Problem
The file contains many '=' characters at the end of lines and within words, making it impossible to read or edit.
How to use
Copy the entire content of the file into the decoder to perform a bulk conversion.
Outcome
The tool strips the encoding and restores the original document structure and character encoding.
It is an encoding scheme used to represent binary data or non-ASCII characters using only printable ASCII characters.
The '=' sign acts as an escape character in this format, followed by two hexadecimal digits representing the actual character code.
Yes, all decoding happens locally in your browser, ensuring your data is not uploaded to any server.
Yes, it can process large encoded strings efficiently, provided they follow standard Quoted-Printable formatting.
Yes, it correctly decodes multi-byte characters that have been properly encoded using the Quoted-Printable standard.