File Converter Review: The Simple, Free and Open-Source Windows File Converter


File conversion is one of those tasks that should not require a complicated application.

Sometimes you simply need to convert a WAV file to MP3, resize an image, turn a video into another format, convert a document to PDF, or compress a file before sending it to someone.

There are plenty of large and complicated applications that can do these jobs, but they often require you to open a separate program, import your files, choose the output format and then go through several additional steps.

File Converter by Tichau takes a much simpler approach.

Instead of making you open another application, File Converter integrates directly into Windows Explorer. Right-click a file, choose the conversion preset you want, and the conversion starts.

It is free, open source and designed around one simple idea: file conversion should take only a couple of clicks.

What Is File Converter?

File Converter is a free and open-source Windows utility that adds file conversion and compression options directly to the Windows Explorer context menu.

The project was started in 2014 and has continued to evolve into a surprisingly capable conversion tool while keeping the interface deliberately simple.

Rather than trying to become a full-featured media editor, File Converter focuses on making common conversion tasks quick and accessible.

The current version, File Converter 2.2, supports audio, video, image and document conversions and includes a large selection of configurable presets.

The Best Part: Windows Explorer Integration

This is what makes File Converter different from most conventional conversion utilities.

You do not need to open the application first.

Simply find a file in Windows Explorer, right-click it, open the File Converter section and choose the desired conversion preset.

For example, you can select a WAV file and choose an MP3 preset, or select an image and convert it to JPG or WebP.

The workflow is essentially:

Right-click → Choose conversion → Done.

That sounds trivial, but it makes an enormous difference when you regularly perform small conversion tasks.

There is no separate interface to navigate and no need to drag files into another window.

Audio Conversion

File Converter supports a wide range of audio input formats and provides several common output formats.

Supported output formats include:

  • FLAC
  • AAC
  • OGG
  • MP3
  • WAV

Input support is considerably broader and includes formats such as FLAC, AAC, MP3, WAV, ALAC-related containers, Opus, OGG, WMA, M4A, M4B and several video containers containing audio streams.

This makes File Converter useful for everyday audio conversion without requiring a dedicated audio application.

For example, you can quickly convert:

  • WAV → MP3
  • FLAC → MP3
  • FLAC → AAC
  • MP3 → WAV
  • FLAC → OGG

Of course, converting a lossy format such as MP3 into another lossy format will not restore lost audio quality. File Converter gives you the conversion capability; choosing an appropriate source and destination format is still important.

Video Conversion

File Converter is also capable of handling common video conversion tasks.

Supported output formats include:

  • WebM
  • MKV
  • MP4
  • OGV
  • AVI
  • GIF

It can work with a wide range of video inputs, including MP4, MKV, MOV, AVI, WebM, MPEG, TS, VOB and several other formats.

This makes it particularly useful for quick format conversions where you do not need a complete video editor.

Hardware-Accelerated Video Encoding

File Converter 2.2 also includes an option for AMD AMF hardware acceleration when converting H.264 video to MP4 or MKV.

Earlier releases also introduced NVIDIA hardware acceleration for MP4 video encoding.

Hardware acceleration can reduce CPU workload and improve encoding performance when compatible hardware and settings are available.

The exact performance benefit depends on your GPU, driver, source material and encoding settings, so hardware encoding should not automatically be assumed to produce a faster or higher-quality result in every situation.

Image Conversion

File Converter is surprisingly capable when it comes to images.

It supports a large number of input formats, including:

  • JPG and JPEG
  • PNG
  • WebP
  • HEIC
  • AVIF
  • TIFF
  • BMP
  • PSD
  • SVG
  • RAW camera formats
  • ICO
  • JFIF
  • and several others

It can convert images to common output formats such as:

  • PNG
  • JPG
  • ICO
  • WebP
  • AVIF

The addition of AVIF support in version 2.2 is particularly useful as the format becomes increasingly common on the web.

Image Resizing and Other Presets

File Converter is not limited to changing the file format.

Its image presets can also perform tasks such as scaling and rotation.

This is useful for quick jobs where opening a full image editor would be unnecessary.

For example, you can create presets for different image sizes and then apply them directly from Windows Explorer.

That makes the application useful for repetitive image-processing workflows as well.

PDF and Document Conversion

File Converter also supports several document conversion workflows.

It can convert supported Office and OpenDocument formats to PDF and images, as well as convert images and documents into other supported formats.

Supported document types include formats associated with:

  • Microsoft Word
  • Microsoft Excel
  • Microsoft PowerPoint
  • OpenDocument Text
  • OpenDocument Spreadsheet
  • OpenDocument Presentation

There is an important requirement here: Microsoft Office must be installed and activated for the Office-document conversion features that depend on it.

This means File Converter is not a replacement for Microsoft Office itself.

Instead, it provides a convenient interface for using the installed Office components as part of its conversion workflow.

PDF to Image

File Converter can also convert PDF documents into image files, with the ability to produce one image per page.

This can be useful when you need to quickly turn a PDF into JPG or PNG images without installing a dedicated PDF conversion utility.

The reverse workflow is also supported in appropriate configurations, allowing images to be converted into PDF documents.

Built on Powerful Open-Source Components

One of the interesting things about File Converter is that the application itself provides a simple interface over several established open-source technologies.

Its current middleware includes:

  • FFmpeg for audio and video conversion
  • ImageMagick for image processing and conversion
  • Ghostscript for PDF-related operations
  • SharpShell for Windows Explorer integration
  • Additional components for CD audio extraction and other functionality

This is a sensible architecture.

Instead of reinventing every codec and image-processing algorithm, File Converter combines mature open-source projects behind a simple Windows interface.

Version 2.2 updates the bundled FFmpeg version to 8.0.1 and ImageMagick to 14.10.

Custom Conversion Presets

This is where File Converter becomes much more useful for advanced users.

You are not restricted to the presets supplied with the application.

The application allows you to customize conversion presets, add or remove them from the Windows Explorer context menu and change their conversion options.

This means you can configure File Converter around the tasks you actually perform.

For example, you could create separate presets for:

  • FLAC → MP3 320 kbps
  • FLAC → Opus
  • WAV → FLAC
  • Video → H.264 MP4
  • Video → WebM
  • Image → WebP
  • Image → JPG
  • Image → AVIF

Once configured, those presets become available directly from the Explorer context menu.

Custom FFmpeg Commands

Advanced users can go even further.

File Converter supports custom command-line presets for FFmpeg-based audio and video conversions.

This means users who already understand FFmpeg can use File Converter as a convenient graphical entry point for their own FFmpeg workflows.

You get the convenience of the Windows Explorer context menu without having to manually open Command Prompt or PowerShell every time you need to run an FFmpeg conversion.

This is one of the features that makes File Converter interesting even to technically advanced users.

Preset Folders

There is one problem with having lots of conversion presets: the context menu can become cluttered.

File Converter addresses this with support for preset folders.

You can organize related presets together instead of putting every conversion option directly into the main context menu.

This is a small feature, but it becomes increasingly important once you start creating your own presets.

Batch Conversion

File Converter can process multiple files at once.

You can select several compatible files in Windows Explorer and apply a conversion preset to the entire selection.

This is particularly useful for media libraries.

For example, if you have an album stored as WAV files and want a portable MP3 version, you can select the entire album and apply the conversion preset rather than processing each track individually.

The application also provides conversion progress and estimated remaining time for jobs.

Output File Naming

File Converter provides customizable output paths and filename templates.

This is useful when performing batch conversions because you can control where converted files are stored rather than manually moving them afterward.

The application can also use information such as the conversion date in output path templates.

There is even an option to copy converted files to the clipboard, which can be useful in certain workflows.

Multiple Languages

File Converter is also localized into a large number of languages through community contributions.

The project currently lists translations including English, French, German, Spanish, Portuguese, Italian, Chinese, Japanese, Korean, Hindi, Arabic, Turkish, Polish, Russian and several others.

This is a nice example of how an open-source project can benefit from community contributions beyond just source-code changes.

The Interface

The interface is deliberately simple.

That is one of File Converter's biggest strengths.

You are not presented with a complicated media library, timeline, editing workspace or dozens of panels.

The application's primary purpose is to configure conversion presets and then let Windows Explorer handle the actual interaction.

For someone who only occasionally needs to convert files, this is ideal.

For advanced users, the simplicity does not come at the cost of customization because the preset system allows you to build considerably more sophisticated workflows underneath the simple interface.

Performance

File Converter's performance depends largely on the underlying conversion engine and the type of operation being performed.

FFmpeg handles audio and video conversion, ImageMagick handles image processing and Ghostscript handles certain PDF operations.

This means File Converter itself is primarily providing the interface, preset management and Windows integration rather than implementing all of the conversion algorithms from scratch.

The application also allows users to configure the maximum number of simultaneous conversions, making it possible to balance throughput against CPU, memory and storage performance.

Security and Privacy

There is another reason I like the design of File Converter: it is a local application.

You do not have to upload your files to an online conversion service.

This is particularly important for documents, personal photographs and other files that you would not want to send to an unknown third-party server.

The official project describes File Converter as free, open source and without advertising or data collection.

The conversion itself is performed locally using the bundled conversion components.

For privacy-sensitive file conversion, this is a significant advantage over many online file-conversion websites.

Open Source

File Converter is released under the GPL-3.0 license, and its source code is publicly available on GitHub.

This makes the application particularly attractive to users who prefer open-source software.

The project has accumulated thousands of commits over its lifetime and has a large community of contributors, forks and issue reports.

The source repository also makes it possible to inspect how the application integrates its various conversion components and Windows Explorer extension.

File Converter vs Traditional Conversion Software

The biggest difference between File Converter and traditional converters is the workflow.

Traditional Converter File Converter
Open the application first Start from Windows Explorer
Import files Right-click files directly
Choose output format Choose a preset
Usually requires a dedicated interface Integrated into the context menu
May focus on one media type Handles audio, video, images and documents
Often commercial or ad-supported Free and open source

For complicated editing jobs, a full media application is obviously more appropriate.

But for straightforward conversion, File Converter's workflow is considerably faster.

What I Like About File Converter

The biggest advantage is its simplicity.

It does not try to turn a basic conversion into a project.

If I want to convert a file, I can simply right-click it and select the appropriate preset.

The second major advantage is the combination of simplicity and customization.

Beginners can use the default presets, while advanced users can create their own FFmpeg commands and organize them into preset folders.

That gives File Converter a surprisingly high ceiling for such a small utility.

I also like that it is completely local. There is no need to upload files to a website just to convert them.

And because the project uses established open-source components such as FFmpeg and ImageMagick, it supports a very broad range of formats without trying to implement every codec itself.

What Could Be Better?

File Converter's simplicity naturally means that it is not a replacement for specialized applications.

If you need detailed audio editing, video editing, advanced image manipulation or professional document processing, you will need a dedicated application.

The context-menu approach can also become cluttered if you enable too many presets. Fortunately, the preset-folder system helps mitigate this problem.

There are also some format-specific requirements. For example, Office document conversion depends on Microsoft Office being installed and activated.

Another consideration is that File Converter is a Windows-specific application. There is no macOS or Linux version of the application.

Finally, while the application is simple to use, some of its advanced customization options are better suited to users who understand concepts such as FFmpeg command-line parameters and codec settings.

Who Should Use File Converter?

I would particularly recommend File Converter to:

  • Windows users who frequently convert files
  • People who want a quick right-click conversion workflow
  • Users who regularly convert audio and video files
  • Photographers who need quick image conversions
  • People who need occasional PDF or document conversions
  • Users who prefer open-source software
  • Privacy-conscious users who do not want to upload files to online converters
  • Advanced users who want custom FFmpeg presets

If you need a complete media editor or professional production suite, File Converter is not intended for that job.

Is File Converter Worth Using?

Yes.

In fact, File Converter is one of those utilities that becomes more useful the more you use Windows Explorer.

Its biggest strength is not any individual codec or conversion feature. It is the workflow.

Right-click a file → choose what you want → let File Converter do the rest.

That is considerably faster than opening a dedicated converter every time you need to perform a simple format change.

The fact that it is free, open source, local and highly customizable makes the package even more attractive.

Version 2.2 also shows that the project is still being actively maintained, with updated conversion libraries, new AVIF support, AMD hardware acceleration and numerous bug fixes.

Final Verdict

File Converter is a great example of software that does not need to be complicated to be useful.

It provides a huge range of audio, video, image and document conversion capabilities while keeping the actual user interface almost invisible.

Instead of opening another application, you simply use the Windows Explorer context menu.

The underlying use of FFmpeg, ImageMagick and Ghostscript gives it considerably more capability than its minimalist interface suggests, while custom presets and FFmpeg commands give advanced users plenty of room to customize the application.

It is not designed to replace Photoshop, Premiere Pro, Audacity or other specialized applications. It does not need to.

Its job is much simpler: make everyday file conversion fast, local and painless.

Rating: 4.8/5

Pros

  • Completely free
  • Open source
  • No advertisements
  • No data collection
  • Excellent Windows Explorer integration
  • Very simple workflow
  • Supports audio, video, images and documents
  • Uses powerful open-source conversion engines
  • Highly customizable presets
  • Custom FFmpeg commands
  • Batch conversion
  • Preset folders
  • Hardware-accelerated video encoding options
  • Large number of supported formats
  • Community translations
  • Local conversion without uploading files

Cons

  • Windows-only
  • Not a replacement for professional editing software
  • Context menu can become crowded with many presets
  • Some advanced configuration requires FFmpeg knowledge
  • Office document conversion requires Microsoft Office

Bottom line: File Converter is an excellent utility for Windows users who want fast, convenient and private file conversion without dealing with a complicated application. Its Windows Explorer integration is the real star of the show, while its open-source foundation and customizable presets give advanced users considerably more control than the simple interface initially suggests.

Download File Converter

File Converter is completely free and open source. The current File Converter 2.x release supports Windows 7, 8, 10 and 11, with the latest release being version 2.2.

Download File Converter from the official website →

You can also view the complete source code, releases, issues and development information on GitHub.

View File Converter on GitHub →

Boruah

Tech, privacy, software, and everything I find interesting along the way.

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