How to Use
- Input File: Select or drag your `.ai` artwork into the drop box or click to select manually.
- Enable Transparency: Toggle "Transparent Background" in settings. PNG format is selected by default.
- Convert File: Click the convert button. The browser parses and renders each vector page onto canvas.
- Save PNG: Click download for individual sheets or save the whole queue as a ZIP.
Core Features
- Alpha Transparency Support: Seamlessly detects document transparency, exporting crisp PNGs with transparent background layers intact.
- 100% Client-Side Processing: No servers are used. All rendering and export logic is contained in your browser tab, ensuring corporate blueprint safety.
- High-Density Rasterization: Render vector details into pixel-perfect PNG formats in standard, high, or ultra resolutions.
- Zero Size Restrictions: Processes very large and complex files locally, restricted only by your device's memory.
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Calculation Logic
Our converter implements dynamic binary stream slicing to bypass remote server latency.
Upon identifying the embedded PDF preview stream within the .ai structure, the file buffer is passed to a dynamic import of `pdfjs-dist`. If "Transparent Background" is selected, the canvas drawing context is initialized with transparency, avoiding the default white background fill before rendering pages. It is then exported as `image/png`.
FAQ
How do I export a transparent PNG?
After selecting your AI file, check the "Transparent Background" option in the settings. This ensures the canvas outputs a standard transparent PNG, ideal for web logos and design components.
Why is the background still white despite checking transparency?
If the designer explicitly drew a white background shape or rectangle on the bottom layer of the Illustrator file, the canvas transparency toggle cannot alter this shape. The white fill is part of the vector path itself.
Are my designs safe from theft?
Yes, absolutely. Because there are no backend servers involved, no copies of your designs are created or stored outside of your browser's execution memory.
What causes a "PDF signature missing" error?
Older `.ai` files (versions prior to Illustrator 9) or those saved with "Create PDF Compatible File" disabled do not contain the PDF stream. Opening it in Illustrator and re-saving with PDF compatibility enabled will fix the issue.