Your files remain on your device
Processing happens inside the browser tab. Refreshing or closing the tab clears the current file queue.
PDF · Processed on your device
Optimize PDF
Optimize PDF object streams and document structure. Image-heavy documents may require a cloud compression provider.
PDF
INPUT
Choose a source file
Source files remain in this browser tab for device-processed tools.
HOW IT WORKS
Three clear steps
No hidden queue, upgrade screen or misleading result state.
- 01
Choose a PDF
- 02
Optimize its internal structure
- 03
Compare and download the result
No Trenith usage price
Device tools and the Trenith interface are free. External providers may separately charge the account associated with your own API key.
FAQ
Common questions
Is Optimize PDF free to use?
Yes. Optimize PDF is free from Trenith with no account, subscription or artificial usage limit. Practical capacity depends on your device's memory, free storage and browser codec support.
Does Optimize PDF upload my files?
No. Processing happens inside your browser tab on your own device. Source files are not sent to Trenith, and refreshing or closing the tab clears the current queue.
Which formats does Optimize PDF support?
Optimize PDF works with PDF.
How do I use Optimize PDF?
1. Choose a PDF 2. Optimize its internal structure 3. Compare and download the result No sign-up is required.
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