ASDF File — Open & Convert .asdf Online
What Is a .asdf File?
ASDF (.asdf) is a data file format. ASDF Astronomy Data Created by STScI, this format is essential for developers, analysts, and data engineers.
How to Open .asdf Files
Upload your .asdf file to OpenAnyFile and instantly parse and transform it in your browser. No software installation required. Works on Windows, macOS, Linux, iPhone, and Android.
Everything About ASDF Files
Popular ASDF Conversions
Frequently Asked Questions
What is a .asdf file?
A .asdf file is a data format called ASDF. ASDF Astronomy Data
How do I open a .asdf file without installing software?
Upload your .asdf file to OpenAnyFile. Our browser-based tool instantly detects and displays it — no downloads needed.
What program creates .asdf files?
.asdf files are typically created by STScI.
Can I convert .asdf to another format?
Yes. OpenAnyFile converts .asdf to FITS, JSON.
Is it safe to open .asdf files online?
Yes. OpenAnyFile processes files in a secure, isolated environment. Files are automatically deleted and all transfers use HTTPS.
Can I open .asdf on my phone?
Yes. OpenAnyFile works on all mobile browsers including iPhone and Android.