Open .dal Files Online — Free DALTON Viewer
Open DALTON 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 .dal File?
A .dal file is a scientific format known as DALTON. DALTON Input File This format is created by Dalton and is widely used by researchers and academics.
DALTON files contain structured scientific data that requires compatible software to open. With OpenAnyFile, you can analyze and visualize .dal files directly in your browser without installing any software.
How to Open .dal Files Online
- Visit OpenAnyFile DALTON page
- Drag and drop your .dal file onto the upload area, or click "Browse" to select it
- OpenAnyFile automatically detects the DALTON 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 .dal Files
.dal files are primarily created by Dalton. In the scientific space, you may encounter .dal files from third-party tools, online converters, or export functions. Regardless of the source, OpenAnyFile handles them all.
Open .dal on Different Platforms
- Windows: Use the original software or upload to OpenAnyFile for instant access
- macOS: Preview may not support .dal — 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 .dal File Problems
Module selection
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 DALTON to Other Formats
DALTON files can be converted to 1 formats including TXT.
Related Scientific Formats
If you work with .dal 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 DALTON Conversions
Frequently Asked Questions
What is a .dal file?
A .dal file is a scientific format called DALTON. DALTON Input File
How do I open a .dal file without installing software?
Upload your .dal file to OpenAnyFile. Our browser-based tool instantly detects and displays it — no downloads needed.
What program creates .dal files?
.dal files are typically created by Dalton.
Can I convert .dal to another format?
Yes. OpenAnyFile converts .dal to TXT.
Is it safe to open .dal files online?
Yes. OpenAnyFile processes files in a secure, isolated environment. Files are automatically deleted and all transfers use HTTPS.
Can I open .dal on my phone?
Yes. OpenAnyFile works on all mobile browsers including iPhone and Android.