Why won't fonts change in PowerPoint?

PowerPoint ignores explicit font settings when the slide language is set to CJK (zh-CN, ja, ko) or when fonts reference theme placeholders like +mj-lt, +mn-lt. PowerPain fixes both issues by normalizing language attributes and replacing theme references with explicit font declarations.

Yes, PowerPain is completely free and open-source under the MIT license. No signup, no account, no subscription required.

Are my files stored on the server?

No. All processing happens entirely in your browser using JavaScript. Your files never leave your device — nothing is uploaded to any server.

Open-source tool

Font won't change
in PowerPoint?

Upload your broken .pptx file — we'll normalize all fonts, fix CJK issues, and clean up theme references. In seconds.

Fix it now

Drop .pptx file here

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Target font

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Drag and drop your .pptx file or click to browse. Up to 200 MB.

Process

We normalize fonts in slides, layouts, masters, and themes. Fix CJK issues and theme references.

Download

Get your fixed file instantly. All temporary data is deleted right after processing.

Your files never leave your device. All processing happens right in your browser — nothing is uploaded to any server.

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Font won't change
in PowerPoint?

Drop your file below

Three simple steps

Upload

Process

Download

This takes hours.
Your donation is fuel.

Liked the tool?

Font won't change in PowerPoint?

Drop your file below

Three simple steps

Upload

Process

Download

This takes hours. Your donation is fuel.

Liked the tool?

Font won't change
in PowerPoint?

This takes hours.
Your donation is fuel.