How to Open WOFF2 Files on Windows

WOFF2 files are everywhere on the web, and they often end up on your PC. Maybe you saved one from a website, or a developer sent you a folder of fonts. When you double-click one, Windows has no idea what to do. This guide shows you how to open WOFF2 files on Windows 10 and Windows 11, what you can learn from them, and how to install them.

Why Windows cannot open WOFF2

WOFF2 is a web font format. It holds normal font data, but compressed very tightly so websites load faster. Windows does not unpack it. Its built-in Font Viewer only opens desktop formats such as TTF and OTF.

So you see one of these:

• “How do you want to open this file?”
• A blank or generic file icon
• The file opens in Edge and downloads again

None of these mean the file is broken. Windows just lacks a WOFF2 reader.

Step 1: Make sure you really have a WOFF2 file

Windows hides file extensions by default, which causes confusion. A file named “font” could be .woff, .woff2, .ttf or something else. Turn extensions on:

• Windows 11: open File Explorer, click View, then Show, then File name extensions.
• Windows 10: open File Explorer, click the View tab, then tick File name extensions.

Now you can see the full name, like roboto-latin-400.woff2. If it ends in .woff instead, the steps below still work. We have a separate guide on opening WOFF files on Windows too.

Step 2: Open the WOFF2 file in your browser

The simplest way to see a WOFF2 font on Windows is a browser-based viewer. Edge, Chrome and Firefox all understand WOFF2 inside web pages. Our free WOFF2 viewer gives the browser a page to show your font on.

1. Open Edge or Chrome and go to openwofffile.com.
2. In File Explorer, find the WOFF2 file.
3. Drag it onto the pink box. Or click “Choose font file” and browse to it.
4. Wait a second or two. The first WOFF2 file takes a bit longer.
5. The font preview appears.

Nothing is uploaded. The file is read on your PC by your browser.

Step 3: Read what is inside

Once the file is open, you can learn a lot about it.

The preview

Click the sample sentence and type anything. Use the slider to change the size. Try your own name, a headline or a price. This tells you in seconds whether the font fits your project.

The font name

WOFF2 files from websites often have random names like 7fa3c1.woff2. The real name is inside the file. Scroll to Font information and read Font family and Style. Our guide on finding the font name inside a WOFF2 file explains every field you see there.

The glyphs

The Glyphs grid shows every character in the file. If it is an icon font, you will see icons instead of letters. Click any glyph to copy it.

Step 4: Install the WOFF2 font on Windows

To use the font in Word, PowerPoint, Photoshop or any desktop app, convert it to TTF first.

1. In the viewer, click “Convert & download .ttf”. Some fonts give you .otf instead.
2. Open your Downloads folder.
3. Right-click the new file.
4. On Windows 11, click “Show more options” if you do not see Install.
5. Click “Install” for your account, or “Install for all users” for everyone on the PC.

Close and reopen your app. The font now appears in its font list.

Want more detail on the conversion? Read how to convert WOFF2 to TTF.

Installing through Windows Settings

Windows 11 also lets you install fonts from Settings. It is a nice option if you have several TTF files.

1. Open Settings.
2. Go to Personalization, then Fonts.
3. Drag your TTF or OTF files onto the “Drag and drop to install” area.

This only works with TTF and OTF files. Dropping a WOFF2 file there does nothing. Convert first.

Using the font in Microsoft Office

Once the TTF is installed, Word, Excel and PowerPoint can use it. A few tips make it smoother:

• Restart Office. Office reads the font list when it starts. Close every Office window, then open the app again.
• Search by the real name. Type the family name from the viewer into the font box. The file name will not help.
• Watch for fake bold. If you only installed the Regular file, clicking Bold makes Windows thicken the letters itself. It looks rough. Convert and install the real Bold file too. Our guide on checking the font weight helps you find it.
• Embed fonts when you share. If you send a PowerPoint file to someone who does not have the font, their copy will switch to another font. In PowerPoint, go to File, Options, Save and tick “Embed fonts in the file”. Check the font license first, because some fonts do not allow embedding.

Where WOFF2 files on your PC come from

WOFF2 files usually land on a Windows PC in one of three ways:

1. You saved them from a website, often through the browser’s developer tools.
2. They came with a website project, such as a WordPress theme or a folder from a web developer.
3. They came inside a download, like an icon pack or a font bundle that includes web versions.

In the last case, check the rest of the download. Font bundles often include TTF or OTF versions in another folder. Those are ready to install, and you can skip converting.

Opening many WOFF2 files at once

If a website gave you a whole folder of WOFF2 files, the viewer opens them one at a time. That is fine for a handful. For dozens, the command line is faster.

Install Python from the Microsoft Store or python.org. Then open Terminal and run:

pip install fonttools brotli

Now you can convert every WOFF2 file in a folder with one short command in PowerShell:

Get-ChildItem *.woff2 | ForEach-Object { fonttools ttLib.woff2 decompress $_.Name }

Each file gets a TTF or OTF copy next to it. Open a few in the viewer afterwards to check their names and styles.

What if Windows asks you to pick an app every time?

You can tell Windows to always open WOFF2 files with your browser. Right-click the file, choose Open with, then Choose another app. Pick Edge or Chrome and tick “Always use this app”. Be aware that a browser opening the file directly shows little or nothing. Bookmarking the viewer page is more useful.

Common problems on Windows

“Windows can’t open this type of file”

This is expected for WOFF2. Use the viewer instead of double-clicking.

“The file is not a valid font file”

You tried to install the WOFF2 directly, or the converted TTF is damaged. Install the converted file, not the WOFF2. If it still fails, download the font again. More causes are in can’t open a WOFF font.

The font shows boxes in Word

Most WOFF2 files from websites only hold one language. Accented or foreign letters may be missing. Check the glyph grid in the viewer and read why WOFF fonts show boxes.

The font appears under a strange name

Apps use the name inside the font, not the file name. Renaming the file on Windows does not change what Word shows.

Antivirus flags the file

This is rare. Font files are data, but they are complex, so some security tools scan them closely. If your antivirus complains, delete the file and get the font from a trusted source instead.

Should you use WOFF2 or TTF on Windows?

On your Windows PC, use TTF or OTF. That is what Windows and your apps understand. Keep WOFF2 for websites, where its small size makes pages load faster. If you are curious why WOFF2 is so small, read what a WOFF2 file is.

Common questions

Does Windows 11 support WOFF2 natively?

No. Windows 11 installs TTF and OTF fonts. It does not open or install WOFF2. Edge supports WOFF2 inside web pages, which is why a browser tool works.

Do I need admin rights to install the font?

Only for “Install for all users”. The plain Install option puts the font in your own account and needs no admin rights.

Where do installed fonts go?

Fonts installed for all users go to C:\Windows\Fonts. Fonts installed for just you go to your AppData folder under Microsoft\Windows\Fonts.

Can I preview WOFF2 files in File Explorer?

Not by default. File Explorer shows previews for TTF and OTF files, but WOFF2 files just get a plain icon. Converting them to TTF gives you normal previews.

Can I uninstall the font later?

Yes. Go to Settings, Personalization, Fonts, click the font and choose Uninstall.

Summary

Windows cannot open WOFF2 files, but your browser can. Drag the file into a free WOFF2 viewer to see the font, its real name and every glyph. To use it in desktop apps, convert it to TTF and install it with a right-click. For many files, fontTools converts a whole folder in one go.