slidelang — Translate PowerPoint Decks
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Translate decks.Keep the layout.
Upload a PPTX or public Google Slides link. Your first translation is free after Google sign-in, with layout and styling preserved.
Your first deck (up to 1,000 text passages) is free.
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Hosted by Hetzner in Germany<br>Files processed temporarily, then deleted<br>PPTX file never sent to third parties
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Google Slides link<br>Optional. The deck must be public or shared with “Anyone with the link can view”.
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Translate text inside visuals<br>Visual text translation is quoted before it starts and uses paid credits.
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Translate Google Slides by link<br>Paste a public Google Slides link — no export needed. Get the result back as PPTX or saved straight to Google Slides.
Text inside images too<br>Charts, diagrams and screenshots carry text that file translators skip. Slidelang can translate the text inside your visuals.
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Proof, not a mockup
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Five real PowerPoint files translated by the live Slidelang pipeline. Compare every slide, layout and editable text box yourself.
Real deck<br>Text only<br>Text + visuals<br>Where alternatives fall short
AI for professionals 307 slides · English → GermanOriginal PPTX<br>3 credits · $0.60 Download result<br>— Not run — deliberately disabled<br>At 133 MB, this file exceeds DeepL’s published PPTX limits on its listed plans. PowerPoint leaves media text unchanged; ChatGPT upload is not a quoted whole-deck translation workflow.
Anatomy & physiology 8 slides · Spanish → EnglishOriginal PPTX<br>1 credit · $0.20 Download result<br>25 credits · $5.00 Download result28 candidates · 9 translated · 18 safely kept · 1 unavailable<br>Nine image labels were translated in place. DeepL and PowerPoint document that text embedded in images is left unchanged.
Nervous-system processing 16 slides · Spanish → FrenchOriginal PPTX<br>1 credit · $0.20 Download result<br>25 credits · $5.00 Download result24 candidates · 4 translated · 20 safely kept<br>This technical deck needs translated text to remain fitted inside dense layouts. PowerPoint says Copilot does not adjust font size or layout when text becomes longer.
Language & cognition 12 slides · Spanish → ItalianOriginal PPTX<br>1 credit · $0.20 Download result<br>25 credits · $5.00 Download result15 candidates · 0 altered · all safely kept<br>Slidelang checked 15 visuals and safely left all of them untouched because none contained suitable short labels. The result shows the safety filter, not a staged success.
Uber pitch deck 25 slides · English → SpanishOriginal PPTX<br>1 credit · $0.20 Download result<br>25 credits · $5.00 Download result18 candidates · 1 translated · 17 safely kept<br>ChatGPT can work with uploaded PPTX files conversationally, but its documented workflow is not an automatic, pre-priced translation that returns the whole preserved deck.
Uber pitch deck 25 slides · English → Chinese (Mandarin)Original PPTX<br>1 credit · $0.20 Download result<br>25 credits · $5.00 Download result18 candidates · 2 translated · 16 safely kept<br>The editable deck is translated into Simplified Chinese, while two eligible raster charts are also translated in place. Sixteen unsuitable visuals remain safely unchanged instead of being fabricated.
Quotes generated by Slidelang on July 13, 2026. Each price appears in its own translation-mode column. Dollar values...