Open .mop Files Online — Free MOPAC Viewer
Open MOPAC 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
What Is a .mop File?
A .mop file is a scientific format known as MOPAC. MOPAC Input File This format is created by MOPAC and is widely used by researchers and academics.
MOPAC files contain structured scientific data that requires compatible software to open. With OpenAnyFile, you can analyze and visualize .mop files directly in your browser without installing any software.
How to Open .mop Files Online
- Visit OpenAnyFile MOPAC page
- Drag and drop your .mop file onto the upload area, or click "Browse" to select it
- OpenAnyFile automatically detects the MOPAC format using magic byte analysis
- View, analyze, and analyze and visualize your file contents in the browser
- Optionally convert to TXT or download
Software That Opens .mop Files
.mop files are primarily created by MOPAC. In the scientific space, you may encounter .mop files from third-party tools, online converters, or export functions. Regardless of the source, OpenAnyFile handles them all.
Open .mop on Different Platforms
- Windows: Use the original software or upload to OpenAnyFile for instant access
- macOS: Preview may not support .mop — use OpenAnyFile as a universal viewer
- Linux: Open-source alternatives exist, or use OpenAnyFile in any browser
- Mobile (iPhone/Android): OpenAnyFile works on all mobile browsers
Common .mop File Problems
Semi-empirical method choice
Other common issues include: your OS not recognizing the file extension, the file appearing corrupted after download, or lacking the required software. OpenAnyFile bypasses all these issues with universal format detection.
Convert MOPAC to Other Formats
MOPAC files can be converted to 1 formats including TXT.
Related Scientific Formats
If you work with .mop files, you may also encounter these scientific formats:
- ABAQUS_INP (.inp) — Open & convert .inp files online
- ABF (.abf) — Open & convert .abf files online
- ABINIT (.abi) — Open & convert .abi files online
- AMBER (.prmtop) — Open & convert .prmtop files online
- Amber Topology (prmtop) — Open & convert prmtop files online
- Amber Trajectory (mdcrd) — Open & convert mdcrd files online
- ANSYS_MECH (.mechdat) — Open & convert .mechdat files online
- ANTEX (.atx) — Open & convert .atx files online
- ASC_LTSPICE (.asc) — Open & convert .asc files online
- ASYMPTOTE (.asy) — Open & convert .asy files online
Popular MOPAC Conversions
Frequently Asked Questions
What is a .mop file?
A .mop file is a scientific format called MOPAC. MOPAC Input File
How do I open a .mop file without installing software?
Upload your .mop file to OpenAnyFile. Our browser-based tool instantly detects and displays it — no downloads needed.
What program creates .mop files?
.mop files are typically created by MOPAC.
Can I convert .mop to another format?
Yes. OpenAnyFile converts .mop to TXT.
Is it safe to open .mop files online?
Yes. OpenAnyFile processes files in a secure, isolated environment. Files are automatically deleted and all transfers use HTTPS.
Can I open .mop on my phone?
Yes. OpenAnyFile works on all mobile browsers including iPhone and Android.