Skip to main content

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

Privacy Files stay private.

Privacy Automatically deleted after 24 hours.

Privacy 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

logo

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.

logo

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.

logo

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.

logo

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.

logo

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.

logo

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.

logo

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.

logo

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.

logo

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.

logo

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.

logo

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.

logo

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.

Explore all tools

1.8M+

Files converted

and counting

4.8

Average rating

from our users

~4s

Avg. conversion

per image

0

Files kept

Auto-delete in 24h

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.