Free JPG to FITS Converter Online
Convert JPG files to FITS quickly and easily online. Upload files up to 2GB and download your converted files in just a few clicks.
Drag & drop your files
JPEG, PNG, PDF, and other formats, up to 2GB
Files stay private.
Automatically deleted after 24 hours.
2GB upload limit.
4.8/5
Trusted for 1,794,705+ conversions
HOW IT WORKS
Convert JPG to FITS in three steps
Three steps, no account, nothing to install.
01
Upload JPG files
Drag and drop or upload JPG files you want to convert to FITS.
02
Convert to FITS
Select FITS as the output format and start the conversion.
03
Download
Download each FITS as it finishes, or grab everything as one zip. You can also share a link.
JPG
The JPG (or JPEG) image format is a widely used compressed file format for digital images. It supports 16 million colors and is ideal for photographs and graphics on the web. With its lossy compression, JPG balances quality and file size, making it perfect for web publishing and storage. Enhance your visual content with this versatile and efficient format, perfect for capturing high-quality images.
FITS
FITS is a digital file format designed for the storage and transmission of scientific data, particularly in astronomy. Optimized for large datasets, it efficiently handles multi-dimensional arrays and metadata, making it indispensable for image and data analysis in telescopes and space missions. Its extensibility ensures compatibility across various platforms and software, securing its place as a vital tool in scientific research.
USE CASES
Use Cases for JPG to FITS
Here are day to day use cases of JPG to FITS
Convert astronomical photos from JPG to FITS for professional analysis
Amateur astronomers and researchers capture celestial objects in JPG format but need FITS files to perform photometric measurements, spectral analysis, and scientific processing with astronomy software like SAOImage DS9 or AstroImageJ.
Prepare telescope observation images for research publications
Academic researchers converting JPG images from telescope sessions to FITS format enables proper data preservation with metadata intact, meeting journal submission requirements for astronomical research papers and maintaining scientific data integrity.
Convert solar eclipse photos to FITS for heliophysics studies
Astrophotographers and solar researchers convert JPG eclipse images to FITS to analyze corona structure, measure solar prominences, and perform brightness calibration that's impossible with compressed JPG format.
Process deep-sky object images through astronomical software
Astronomy enthusiasts need FITS format to stack multiple exposures of galaxies and nebulae using specialized software like PixInsight or Siril, which requires the lossless data and metadata preservation of FITS files.
Convert planetary imaging data for atmospheric analysis
Planetary scientists convert JPG images of Jupiter, Saturn, or Mars to FITS format to study atmospheric features, track storm systems, and perform precise measurements of planetary characteristics over time.
Prepare lunar surface images for crater analysis and mapping
Lunar researchers and geology students convert JPG moon photos to FITS to enable precise crater counting, topographic analysis, and surface feature measurements with scientific accuracy.
Convert comet observation images for trajectory calculations
Astronomers tracking comets convert JPG observation photos to FITS format to accurately measure position, brightness, and tail development over multiple observation sessions for orbital calculations.
Process star field images for variable star studies
Researchers studying variable stars convert JPG time-series images to FITS to create light curves, measure magnitude changes, and perform statistical analysis that requires the precision of astronomical data formats.
Convert satellite tracking images for orbit verification
Satellite observers and space agencies convert JPG tracking images to FITS format to precisely measure satellite positions, verify orbital parameters, and maintain accurate space object catalogs.
Prepare meteor shower captures for velocity analysis
Meteor researchers convert JPG meteor trail images to FITS to calculate entry velocities, trajectory angles, and atmospheric ablation patterns with the precision required for scientific meteoritics.
Convert aurora images for geomagnetic activity studies
Space weather researchers convert JPG aurora photographs to FITS format to analyze intensity, structure, and dynamics of auroral displays in relation to solar wind and geomagnetic conditions.
Process historical astronomy photos for digital archiving
Libraries and archives converting historical JPG scans of astronomical plates to FITS format ensure long-term data preservation with proper metadata for future research and historical analysis.
MORE JPG TOOLS
Explore our other image operations
The JPG (or JPEG) image format is a widely used compressed file format for digital images. It supports 16 million colors and is ideal for photographs and graphics on the web. With its lossy compression, JPG balances quality and file size, making it perfect for web publishing and storage. Enhance your visual content with this versatile and efficient format, perfect for capturing high-quality images.
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WHY DRAGDROPDO
Built to be quick, safe, and free
dragdropdo offers seamless flexibility for managing files of any type. Whether it's PDFs, images, or zipped folders, we've got you covered.
Private by default
Files stay encrypted in transit and are automatically removed after 24 hours.
No install required
Run everything in the browser — no desktop app, no sign-up wall to start.
Cloud import
Pull files from Google Drive and keep working without local downloads first.
Share & download
Grab a zip or share a link / QR so teammates can pick up results on any device.
FAQ
Frequently Asked Questions
Answers to frequently asked questions about dragdropdo's JPG to FITS Converter.