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Free MKV to FITS Converter Online

Convert MKV 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.

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Trusted for 1,794,705+ conversions

HOW IT WORKS

Convert MKV to FITS in three steps

Three steps, no account, nothing to install.

01

Upload MKV files

Drag and drop or upload MKV 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.

MKV

MKV, or Matroska Video File, is a flexible multimedia container that supports various video, audio, and subtitle codecs. Ideal for high-definition online streaming, MKV files are widely used for storing movies, TV shows, and other video content. With its ability to hold multiple tracks and metadata, MKV is a preferred choice for media enthusiasts seeking quality and versatility.

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 MKV to FITS

Here are day to day use cases of MKV to FITS

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Convert astronomical video recordings to FITS for data analysis

Astronomers and researchers recording celestial events in MKV format need to convert to FITS to perform scientific analysis, as FITS is the standard format for astronomical data that preserves metadata and supports specialized analysis software.

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Prepare telescope video data for professional astronomy software

Amateur astronomers using video-capable telescopes output MKV files that must be converted to FITS format to be compatible with professional astronomy applications like SAOImage DS9, IRAF, or Astropy for detailed celestial object analysis.

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Convert planetary imaging videos to FITS for stacking

Planetary imagers capture high-frame-rate MKV videos of planets and lunar surfaces that require conversion to FITS format for specialized stacking software, which improves signal-to-noise ratio and reveals finer details in astronomical images.

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Process solar eclipse recordings for scientific measurement

Researchers recording solar eclipses in MKV format convert to FITS to enable precise measurements of solar phenomena, as FITS supports the calibration data and scientific metadata needed for accurate astronomical calculations.

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Convert deep-sky object videos for photometric analysis

Astrophotographers capturing extended deep-sky objects need MKV to FITS conversion to perform photometric analysis, where FITS format preserves the linear data required for accurate brightness measurements of stars and nebulae.

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Prepare satellite tracking videos for orbital data extraction

Ground-based observers tracking satellites and space debris record MKV videos that must be converted to FITS format to extract precise positional data and orbital elements using specialized astrometry software.

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Convert meteor shower recordings for trajectory analysis

Meteor astronomers capturing shower events in MKV format convert to FITS to analyze meteor trajectories, speeds, and magnitudes, as FITS supports the coordinate systems and timing data essential for accurate celestial mechanics calculations.

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Process lunar occultation videos for stellar diameter measurement

Researchers studying lunar occultations record MKV videos of stars disappearing behind the moon, then convert to FITS format to measure diffraction patterns and calculate precise stellar diameters using specialized reduction software.

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Convert comet observation videos for coma analysis

Comet observers needing to analyze coma structure and brightness profiles convert their MKV recordings to FITS format, which preserves the dynamic range and calibration information required for detailed cometary studies.

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Prepare educational astronomy videos for classroom analysis

Astronomy educators and students recording celestial phenomena in MKV format convert to FITS to use in educational software, allowing hands-on experience with professional data reduction techniques and analysis tools.

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Convert variable star monitoring videos for light curve generation

Variable star observers capturing time-series data in MKV format convert to FITS to generate precise light curves, as FITS supports the timing accuracy and photometric calibration needed for reliable astronomical research.

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Process aurora recordings for geomagnetic research

Space weather researchers studying auroral activity convert MKV video recordings to FITS format to analyze intensity variations and spatial structures, enabling correlation with solar wind data and geomagnetic indices.

MORE MKV TOOLS

Explore our other video operations

MKV, or Matroska Video File, is a flexible multimedia container that supports various video, audio, and subtitle codecs. Ideal for high-definition online streaming, MKV files are widely used for storing movies, TV shows, and other video content. With its ability to hold multiple tracks and metadata, MKV is a preferred choice for media enthusiasts seeking quality and versatility.

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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 MKV to FITS Converter.