Quoted-Printable Encode/Decode

Online Quoted-Printable encode and decode tool with QP conversion, soft wrapping and line-break control for email body and MIME content handling

Input text

Encoding options

Encode line breaks (use =0D=0A / =0A)Wrap lines at 76 characters (soft break)

QP encoded output

Documentation

About Quoted-Printable Encode/Decode

This tool converts text to/from Quoted-Printable (QP), useful for MIME email bodies and legacy text compatibility.

Key Features

Dual Tabs: Separate encode and decode workflows.
Encode Controls: Toggle newline encoding and line wrapping.
Decode Validation: Detect invalid escapes and UTF-8 issues.
Stats: Input/output byte counts and expansion ratio.
Quick Actions: Sample, clear, and copy output.

Steps

Choose Encode or Decode.
Paste input text.
Configure options if needed.
Review output and stats.
Copy result for downstream usage.

Use Cases

Debugging MIME email content.
Troubleshooting legacy QP text.
Data migration involving quoted-printable payloads.

FAQ

Why do I get invalid escape errors?

Check whether = is followed by valid hex bytes and ensure lines are not truncated.

Why is encoded output larger?

QP escapes many characters as =XX, so size expansion is expected.