Quoted-Printable Converter
What is a Quoted-Printable Converter?
Encode and decode MIME Quoted-Printable data (RFC 2045) commonly used in email messages (`=3D`, `=20`, soft line breaks `=`).
Why Use This Converter?
- Email Debugging: Decode raw email headers, MIME body parts, and `.eml` file contents.
- vCard / Contact Files: Parse contact details encoded in vCard `.vcf` files (`ENCODING=QUOTED-PRINTABLE`).
- Email Generation: Encode non-ASCII characters for safe transmission across 7-bit SMTP email servers.
How to Use
- Select Encode or Decode mode.
- Paste your email text or Quoted-Printable string.
- Copy the formatted output.
Real Conversion Example
Input (TEXT):
Hello =3D World=0A
Output (TEXT):
Hello = World
Important Technical Details & Mechanics
- MIME RFC 2045 Compliance: Converts non-printable or non-ASCII bytes into `=XX` hex representations.
- Soft Line Break Handling: Handles trailing `=` soft line breaks used to enforce 76-character email line limits.
- UTF-8 Compatible: Full multi-byte Unicode string support.
Related Developer & Utility Tools
- JSON Formatter: Format and validate JSON data.
- Text Statistics: Analyze character and word counts.
- URL Encoder: Encode and decode URL parameters.
Frequently Asked Questions
What is Quoted-Printable encoding?
It is a MIME encoding system that represents non-ASCII characters as =XX hex codes for safe 7-bit email transmission.
Why do email messages have =3D in raw source code?
=3D is the Quoted-Printable encoding for an equals sign (=).
Can it decode vCard (.vcf) files?
Yes, it decodes Quoted-Printable fields in vCard contact files cleanly.
Is it free to use?
Yes, 100% free and client-side.
What is the main function of Quoted-Printable Converter?
Encode and decode MIME Quoted-Printable text (RFC 2045) for email headers, HTML emails, and vCard files. This converter transforms quoted-printable data formats locally without server uploads.