Convert ONNX Files Online — 3 Format Options
Convert ONNX File Online — Free & Instant
No signup required. Works in your browser.
📁 Drag & drop your file here
or click to browse • Max 100MB
✅ Free • ⚡ Instant • 🔒 Secure • 💻 No install
About ONNX Files
ONNX (.onnx) is a data file format developed by ONNX. ONNX Neural Network
It is commonly used by developers, analysts, and data engineers to parse and transform files in professional and personal workflows. With OpenAnyFile, you can convert your .onnx files to 3 different formats directly in your browser — no software installation required.
How to Convert ONNX Files — Step by Step
- Upload your file — Drag and drop your .onnx file into the converter above, or click "Browse" to select it from your device. Files up to 50MB are supported.
- Automatic detection — OpenAnyFile identifies the ONNX format using magic byte signature analysis (not just the file extension), ensuring accurate format recognition.
- Select target format — Choose from 3 supported output formats. Popular choices include CSV, JSON, XML.
- Convert instantly — Processing happens in the cloud and typically takes just a few seconds, even for large files.
- Download your file — Once conversion is complete, download your converted file immediately. Files are automatically deleted after 1 hour for security.
Why Convert ONNX Files?
When working across different operating systems — Windows, macOS, Linux, or mobile — .onnx files may not open consistently. Converting to a widely supported format ensures your content is accessible everywhere.
- Universal Compatibility: Not everyone has software that opens .onnx files. Converting to a universal format like PDF, JPG, or PNG ensures anyone can access your content on any device.
- Smaller File Size: Some target formats offer better compression, reducing file size by up to 80% for easier sharing via email or cloud storage.
- Easier Editing: Convert to an editable format to modify content that may be locked or read-only in .onnx format.
- Long-term Archiving: Convert to standardized formats (PDF/A, TIFF, PNG) for reliable long-term storage and future accessibility.
- Web Publishing: Convert .onnx to web-friendly formats for use in websites, social media, or online presentations.
All ONNX Conversion Options (3 Formats)
Below is the complete list of formats you can convert .onnx files to using OpenAnyFile:
- ONNX to CSV — Convert your .onnx file to CSV format online, fast and free
- ONNX to JSON — Convert your .onnx file to JSON format online, fast and free
- ONNX to XML — Convert your .onnx file to XML format online, fast and free
Tips for Best Conversion Quality
When converting ONNX to a lossy format, choose quality settings carefully. Higher quality means larger files but better fidelity.
OpenAnyFile uses professional-grade conversion engines to ensure maximum quality. Common issues with .onnx files include: Opset version compatibility
ONNX Format Details
| Property | Value |
|---|---|
| Format Name | ONNX |
| File Extension | .onnx |
| Category | Data |
| Developer | ONNX |
| Conversion Targets | 3 formats |
Frequently Asked Questions
Can I convert .onnx files online for free?
Yes. OpenAnyFile lets you analyze and preview .onnx files for free. You can convert up to 3 files per day on the free plan. Unlimited conversions are available with Pro.
What formats can I convert .onnx to?
ONNX can be converted to 3 formats including CSV, JSON, XML. Each conversion preserves quality and formatting as much as the target format allows.
Is it safe to convert .onnx files online?
Absolutely. Files are processed securely using HTTPS encryption and automatically deleted after conversion. We never store your file contents permanently. Your data stays private.
Do I need software to convert .onnx?
No. OpenAnyFile works entirely in your browser — no downloads or installations needed. It works on Windows, Mac, Linux, iOS, and Android devices.
How long does ONNX conversion take?
Most .onnx files convert in under 10 seconds. Larger files (over 50MB) may take up to 30 seconds depending on the target format and complexity.
Can I convert multiple .onnx files at once?
Yes, batch conversion is available for Pro users. Upload multiple .onnx files and convert them all to the same target format simultaneously.