---
title: "File Conversion (ChangeThisFile) - Air Market"
description: "You have a file in the wrong format and whatever you want to open it with will not take it. This converts it - photos, video, audio, documents, data files, fonts, ebooks and archives - using a free w…"
canonical: "https://airmarket.ai/app/file-conversion"
---

[Air Market](/) / [Automation](/category/automation) / File Conversion (ChangeThisFile)

Skill by [Seth Hobson](/@wshobson)

# File Conversion (ChangeThisFile)

Turn a file into the format you actually needed

## What this does

You have a file in the wrong format and whatever you want to open it with will not take it. This converts it - photos, video, audio, documents, data files, fonts, ebooks and archives - using a free web service. No signup and no key to arrange first.

### Top 3 things it does for you

- Turn a PDF into a Word document
- Get JPGs out of my HEIC photos
- Pull the audio out of a video

## Information

**File Conversion (ChangeThisFile) at a glance**

|  |  |
| --- | --- |
| Kind | Skill |
| Publisher | [Seth Hobson](/@wshobson) |
| Category | [Automation](/category/automation) |
| Works with | Agent Skills - an open standard supported by 40+ agents |
| Size | 7 KB |
| Licence | MIT |
| Repository | [wshobson/agents](https://github.com/wshobson/agents/tree/b6af3711058190e4b5c5274b9758498fe626ec5a/plugins/file-conversion/skills/file-conversion) |
| GitHub stars | 39,077 (as of Nov 2026) |
| Installs | 3,462, counted by skills.sh (Nov 2026) |

## Security report

**Verified.** AIR scanned this exact version of File Conversion (ChangeThisFile) and flagged nothing. AIR's verdict: **safe**.

**What File Conversion (ChangeThisFile)'s check was run against**

|  |  |
| --- | --- |
| Commit | b6af3711058190e4b5c5274b9758498fe626ec5a |
| Content hash | d35c360a70d55302e3f1c5a4bbd2227bcce3aa43715c1d7553951cb0b9fd5276 |
| Files read | [Browse the files at this exact commit](https://github.com/wshobson/agents/blob/b6af3711058190e4b5c5274b9758498fe626ec5a/plugins/file-conversion/skills/file-conversion/SKILL.md) |

A scan is named by the exact content it read, not by a version number. A different version is a different artifact, and nothing here applies to a version AIR has not scanned.

[Read the full security report for File Conversion (ChangeThisFile)](/security/file-conversion)

## About File Conversion (ChangeThisFile)

Converts files from one format to another across images, video, audio, documents, data, fonts, ebooks and archives. PDF to Word, HEIC to JPG, MP4 to MP3, CSV to JSON, EPUB to MOBI and many more routes besides.

It works through changethisfile.com, which is free and asks for no API key and no signup.

Use it any time you have a file that needs to be in a different format.

## What's inside

- SKILL.md - instructions
- scripts/convert.sh - script

## Questions

### Is File Conversion (ChangeThisFile) safe to install?

AIR scanned this exact version of File Conversion (ChangeThisFile) and flagged nothing. AIR's verdict: safe. The verdict is named by the content that was read, at commit b6af37110581, so it cannot drift onto a version nobody scanned. The full report is at https://airmarket.ai/security/file-conversion.

### How do I install File Conversion (ChangeThisFile)?

Open https://airmarket.ai/app/file-conversion on Air Market and use the install action: Air Market hands Claude a prompt naming this exact skill, and Claude sets it up. Source, pinned to the exact commit this listing describes: https://github.com/wshobson/agents/tree/b6af3711058190e4b5c5274b9758498fe626ec5a/plugins/file-conversion/skills/file-conversion. Install from that link, not the branch.

## Related on Air Market

- [More Automation listings](/category/automation)
- [Everything by Seth Hobson](/@wshobson)

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Canonical URL: <https://airmarket.ai/app/file-conversion>