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mathsgod/mht2html
=================

Convert MHT/MHTML files to self-contained HTML with base64-embedded images

v1.0.1(1mo ago)01MITPHPPHP >=8.0

Since Apr 15Pushed 1mo agoCompare

[ Source](https://github.com/mathsgod/mht2html-php)[ Packagist](https://packagist.org/packages/mathsgod/mht2html)[ RSS](/packages/mathsgod-mht2html/feed)WikiDiscussions main Synced 1w ago

READMEChangelog (1)Dependencies (2)Versions (3)Used By (0)

mht2html-php
============

[](#mht2html-php)

A PHP library to convert MHT/MHTML files into self-contained HTML, with all inline images embedded as base64 data URIs.

Requirements
------------

[](#requirements)

- PHP 8.0+
- [`ext-mailparse`](https://www.php.net/manual/en/book.mailparse.php) (`pecl install mailparse`)

Installation
------------

[](#installation)

```
composer require mathsgod/mht2html
```

Usage
-----

[](#usage)

### Convert from a file

[](#convert-from-a-file)

```
use Mht2Html\Converter;

$converter = new Converter();
$html = $converter->convertFile('/path/to/email.mht');

file_put_contents('output.html', $html);
```

### Convert from a string

[](#convert-from-a-string)

```
use Mht2Html\Converter;

$converter = new Converter();
$mht = file_get_contents('/path/to/email.mht');
$html = $converter->convertString($mht);
```

How it works
------------

[](#how-it-works)

1. Parses the MHT/MHTML file using [`php-mime-mail-parser`](https://github.com/php-mime-mail-parser/php-mime-mail-parser).
2. Extracts the HTML body (Quoted-Printable and charset decoding handled automatically).
3. Collects all inline image attachments and maps each `Content-Location` to a base64 data URI.
4. Replaces every `src="..."` reference in the HTML with the corresponding data URI, producing a fully self-contained HTML file with no external dependencies.

API
---

[](#api)

### `Converter::convertFile(string $path): string`

[](#converterconvertfilestring-path-string)

Reads the MHT file at `$path` and returns self-contained HTML.
Throws `\InvalidArgumentException` if the file cannot be read.

### `Converter::convertString(string $mht): string`

[](#converterconvertstringstring-mht-string)

Accepts raw MHT/MHTML content as a string and returns self-contained HTML.

License
-------

[](#license)

MIT

###  Health Score

35

—

LowBetter than 77% of packages

Maintenance89

Actively maintained with recent releases

Popularity1

Limited adoption so far

Community6

Small or concentrated contributor base

Maturity40

Maturing project, gaining track record

 Bus Factor1

Top contributor holds 100% of commits — single point of failure

How is this calculated?**Maintenance (25%)** — Last commit recency, latest release date, and issue-to-star ratio. Uses a 2-year decay window.

**Popularity (30%)** — Total and monthly downloads, GitHub stars, and forks. Logarithmic scaling prevents top-heavy scores.

**Community (15%)** — Contributors, dependents, forks, watchers, and maintainers. Measures real ecosystem engagement.

**Maturity (30%)** — Project age, version count, PHP version support, and release stability.

###  Release Activity

Cadence

Every ~0 days

Total

2

Last Release

56d ago

PHP version history (2 changes)v1.0.0PHP >=7.4

v1.0.1PHP >=8.0

### Community

Maintainers

![](https://avatars.githubusercontent.com/u/18732337?v=4)[Raymond](/maintainers/mathsgod)[@mathsgod](https://github.com/mathsgod)

---

Top Contributors

[![mathsgod](https://avatars.githubusercontent.com/u/18732337?v=4)](https://github.com/mathsgod "mathsgod (3 commits)")

###  Code Quality

TestsPHPUnit

### Embed Badge

![Health badge](/badges/mathsgod-mht2html/health.svg)

```
[![Health](https://phpackages.com/badges/mathsgod-mht2html/health.svg)](https://phpackages.com/packages/mathsgod-mht2html)
```

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