Free JPEG to FITS Converter Online
Convert JPEG 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 JPEG to FITS in three steps
Three steps, no account, nothing to install.
01
Upload JPEG files
Drag and drop or upload JPEG 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.
JPEG
JPEG (Joint Photographic Experts Group) is a widely-used compressed image format ideal for digital photos and online graphics. It offers a perfect balance of quality and file size, making it the preferred choice for web and mobile applications. JPEG supports 24-bit color and can significantly reduce file size with minimal loss of quality, ensuring fast loading times and efficient storage. Perfect for photographers and designers.
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 JPEG to FITS
Here are day to day use cases of JPEG to FITS
Convert astronomical JPEG images to FITS for professional analysis
Amateur astronomers and researchers often capture celestial objects in JPEG format with consumer cameras, but need FITS format for scientific analysis with tools like SAOImage DS9 or Astropy, which preserves critical metadata and allows for precise photometric measurements.
Prepare JPEG telescope images for FITS-compatible research software
University astronomy students and researchers convert JPEG images from telescopes to FITS format to use with specialized astronomical software that requires FITS for spectral analysis, astrometry, and processing raw observational data.
Convert JPEG solar eclipse photos to FITS for scientific study
Astrophotographers who capture solar eclipses in JPEG format convert to FITS to enable detailed analysis of solar corona structure, prominence measurements, and scientific documentation that requires the data integrity of FITS format.
Transform JPEG deep-sky object images to FITS for astrometric reduction
Amateur astronomers imaging galaxies, nebulae, or star clusters convert JPEG files to FITS to perform precise astrometric reductions, plate solving, and coordinate measurements that are impossible with lossy JPEG compression.
Convert JPEG planetary images to FITS for atmospheric analysis
Planetary scientists and enthusiasts convert JPEG images of planets like Jupiter or Mars to FITS format to analyze atmospheric features, track storm systems, and measure rotational periods using professional astronomical tools.
Prepare JPEG comet images for FITS-based orbital calculations
Astronomers observing comets convert JPEG captures to FITS to accurately determine orbital elements, measure coma brightness, and contribute to international databases that require FITS format for standardized data exchange.
Convert JPEG lunar surface images to FITS for topographic mapping
Lunar researchers and cartographers convert JPEG images of the Moon to FITS for creating detailed topographic maps, analyzing crater dimensions, and studying surface features with precision measurement tools.
Transform JPEG meteor shower captures to FITS for radiant analysis
Meteor astronomers convert JPEG images of meteor showers to FITS format to calculate radiant points, determine meteor trajectories, and contribute to scientific databases that track meteoroid streams and orbits.
Convert JPEG satellite imagery to FITS for astronomical calibration
Ground station operators and satellite trackers convert JPEG satellite images to FITS for precise orbit determination, attitude analysis, and calibration with astronomical reference frames that require FITS metadata standards.
Prepare JPEG star field images for FITS-based photometry
Variable star observers and exoplanet hunters convert JPEG star field images to FITS to perform accurate photometric measurements, detect brightness variations, and identify transiting exoplanets using specialized astronomical software.
Convert JPEG aurora images to FITS for space weather research
Space weather researchers and aurora photographers convert JPEG aurora images to FITS format to analyze intensity gradients, correlate with geomagnetic data, and study solar-terrestrial interactions with scientific precision.
Transform JPEG solar prominence images to FITS for plasma analysis
Solar physicists convert JPEG images of solar prominences to FITS to study plasma dynamics, measure ejection velocities, and analyze coronal mass ejections using tools that require FITS format for quantitative analysis.
MORE JPEG TOOLS
Explore our other image operations
JPEG (Joint Photographic Experts Group) is a widely-used compressed image format ideal for digital photos and online graphics. It offers a perfect balance of quality and file size, making it the preferred choice for web and mobile applications. JPEG supports 24-bit color and can significantly reduce file size with minimal loss of quality, ensuring fast loading times and efficient storage. Perfect for photographers and designers.
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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 JPEG to FITS Converter.