View .cir Files Without Installing Software
View NGSPICE File Online — No Software
No signup required. Works in your browser.
📁 Drag & drop your file here
or click to browse • Max 100MB
✅ Free • ⚡ Instant • 🔒 Secure • 💻 No install
View .cir Without Installing Software
Don't have ngspice installed? No problem. OpenAnyFile renders .cir files directly in your browser using advanced format detection.
Supports .cir files from any source — email attachments, downloads, cloud storage, or USB drives.
What You Can Do
- Preview full file contents
- Check file metadata and structure
- AI-powered file analysis
- Convert to TXT
Frequently Asked Questions
Can I open NGSPICE files online without software?
Yes. OpenAnyFile opens NGSPICE files directly in your browser — no downloads or installations needed.
Is it free to open NGSPICE files?
Yes, opening and viewing NGSPICE files is completely free. Conversion options are also available.
Is it safe to upload my NGSPICE file?
Absolutely. Files are processed securely and auto-deleted. All transfers use HTTPS encryption.