How to Use
- Upload AI: Drag and drop your `.ai` file or click the upload box to browse.
- Verify Format: The target format has been pre-selected to PDF for your convenience.
- Convert File: Click the convert button. The system will instantly extract the vector PDF binary stream.
- Download PDF: Save the high-definition PDF file directly through your browser.
Core Features
- Lossless Vector Quality: The exported PDF preserves all vector paths, text layers, and layout styling from the original AI file without pixelation.
- 100% Local Processing: All conversion logic runs locally. Your design assets never leave your computer, removing any leakage risks.
- Lightning Fast Extraction: Bypassing heavy server uploads means files of any size (even >100MB) convert instantly.
- Free with No Limitations: No daily usage caps, no file size restrictions, and no registration required.
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Calculation Logic
Since Adobe Illustrator 9.0, `.ai` files contain a dual-representation format. If "Create PDF Compatible File" was checked upon saving, it embeds a standard PDF document inside the file wrapper.
Our client-side tool parses the binary wrapper of the Illustrator file, identifies the starting offset of the PDF block (indicated by the `%%EOF` and `%PDF` signatures), slices the array buffer, and outputs a pure vector PDF. No rasterization occurs, ensuring absolute fidelity.
FAQ
Will the exported PDF remain vector?
Yes, if the original Illustrator file contains vector paths and text, the extracted PDF retains its vector nature, allowing lossless scaling and zooming.
Why does my AI file fail to parse?
This tool relies on the PDF preview stream. If the option "Create PDF Compatible File" was unchecked when saving in Adobe Illustrator, the stream does not exist. Saving it again with this option enabled resolves the issue.
Is there a file size limit?
No. Since the parsing is executed inside your local browser's engine, there is no file size cap. It is only limited by your device's memory.
Is my design layout safe?
Absolutely. Since we do not employ any cloud servers to store or process your files, your private graphic design assets remain entirely on your device.