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Run a FITS to PDF Online Converter or take a batch tool and save time!


1) Upload FITS file to convert


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2) Set converting FITS to PDF options

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3) Get converted file

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Total Image Converter supports the widest list of output file types: PDF, TIFF, BMP, PNG, JPEG, JPEG2000, ICO, GIF, PCX, TGA, PXM, PS, PCL! Besides, it converts many rare formats like PALM, PICT, XPM, FIX.
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File extension .FITS
CategoryImage File
DescriptionThe Flexible Image Transport System (FITS) is a widely used format for astronomical data storage and interchange. It was first developed in the late 1970s and has been updated over the years to keep pace with changing technology and scientific requirements.

FITS files contain both image and metadata information in a flexible, self-describing format that is platform-independent. This means that data can be easily shared and analyzed across different computer systems and software programs.

FITS files are commonly used to store data from ground-based telescopes, space observatories, and other astronomical instruments. They can also be used for simulations and other scientific applications.

FITS files can contain a wide range of information, including spectral data, time-series data, and multi-dimensional data cubes. They are widely supported by astronomical software packages, including image processing software and data analysis tools.

In summary, the FITS format provides a flexible and powerful way to store and share astronomical data. Its continued development and widespread adoption ensure that it will remain an important tool for astronomers and other scientists for years to come.

Associated programsTotal Image Converter
Developed by
MIME type
Useful links

PDF File

File extension .PDF
CategoryDocument File
DescriptionAdobe Systems Portable Document Format (PDF) format provides all the contents of a printed document in electronic form, including text and images, as well as technical details like links, scales, graphs, and interactive content.

You can open this file in free Acrobat Reader and scroll through the page or the entire document, which is generally one or more pages. The PDF format is used to save pre-designed periodicals, brochures, and flyers.

Associated programsAdobe Viewer
CoolUtils PDF Viewer
Developed byAdobe Systems
MIME typeapplication/pdf
Useful linksMore detailed information on PDF files


Online FITS to PDF conversion

Understanding FITS to PDF Conversion

The FITS format, standing for Flexible Image Transport System, is a digital file format designed to store, transmit, and manipulate scientific and other images. FITS is widely used in astronomy, and it is known for its ability to store not only visual data but also a vast amount of metadata related to the observations. It's a standard endorsed by both NASA and the International Astronomical Union.

On the other hand, PDF (Portable Document Format) is a globally recognized file format used for representing documents in a manner independent of application software, hardware, and operating systems. PDFs are ideal for sharing, presenting, and archiving documents.

There are instances where an astronomy enthusiast, researcher, or student might need to share FITS data in a format that's more universally accessible or suitable for documentation purposes. This scenario necessitates the conversion of FITS to PDF.

Steps to Convert FITS to PDF:

  1. Choose a specialized software or online platform that supports FITS files. Due to the unique nature of FITS data, typical image conversion tools might not suffice.
  2. Import or open your FITS file in the chosen software. Some platforms will allow you to visualize the data, which can be especially helpful if you want to focus on a specific part of the image or data set.
  3. Select the output format as PDF. The tool may offer additional options, such as annotations, to explain specific features in the data or adjust how the visual data is represented in the PDF.
  4. Initiate the conversion process. Once done, you should obtain a PDF representation of your FITS data.

When converting from FITS to PDF, it's vital to remember that FITS files often contain a wealth of information beyond just visual data. A simple image conversion may not capture all the metadata and auxiliary data stored in the FITS file. If this information is critical, ensure that your conversion method retains or allows for its inclusion in the PDF.

Furthermore, the vast dynamic range of astronomical images might require some adjustments to be suitably displayed in a PDF. Some tools might offer histogram equalization or other methods to enhance the visibility of features in the data.

In conclusion, while the FITS format is a powerhouse for storing astronomical and scientific data, there are moments when converting such data to a more universally recognized and shareable format like PDF becomes beneficial. With the correct tools and understanding of both formats, this transition can be executed efficiently, ensuring the integrity of the data.

Is it safe to convert FITS to PDF Online?

Our tool converts an uploaded copy of your original file. The original file stays on your computer and is unaffected by the process. There is no risk of data loss by conversion.

Also, your data is safe with us. We delete all uploads from our servers after one hour. In other words, an hour after you upload your files, those files are purged from our servers forever. You don't need to worry about your content being stored on the server.

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