Translate Google Slides to Japanese. Keep the deck editable.

From source file to translated deck

1. Paste a public Google Slides link.
2. Choose the target language: Japanese. The source language can be detected automatically.
3. Review the quote before signing in or spending a credit.
4. Download the editable PPTX or save it back to Google Slides.

What Slidelang handles differently

• It rewrites text inside existing shapes and refits longer translations instead of rebuilding slides.
• Optional visual translation can replace text inside diagrams, charts and screenshots.
• A public Google Slides link can go through the same pipeline without a manual export.
• PowerPoint Copilot leaves media text unchanged and does not refit longer translated text; DeepL does not translate images embedded in a PPTX.

Comparison sources: DeepL · Microsoft

A visible price before the work starts

Your first text translation is free for up to 1,000 passages after Google sign-in. After that, text costs 1 credit per started 1,000 passages. A one-time $2 pack contains 10 credits; subscriptions are optional. Visuals are analyzed and quoted separately before any charge.

Your presentation stays temporary

Slidelang is hosted by Hetzner in Germany. The PPTX file itself stays on that server and is not sent to third parties. Only extracted text — and eligible images when visual translation is enabled — go to configured AI translation providers. Quotes expire after about 30 minutes and download links after about one hour; presentations are not used for model training. Privacy.

Can I inspect a real translation first?

Yes. The proof section provides original and translated PPTX files for direct download and slide-by-slide comparison.