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How to Convert FITS to XV — Quick & Free

Fast, instant FITS to XV conversion. No signup required. Just drop your .fits file and get .xv in seconds.

256-bit TLS encryptionFiles deleted in 24hNo signup required

在图像处理和数据分析领域,我们时常会遇到各式各样的文件格式。FITS(Flexible Image Transport System)作为天文学界广泛采用的标准,以其强大的数据存储能力和灵活性著称,是科研人员处理天文影像和科学数据的重要工具。然而,当您需要将这些专业的FITS文件分享给普通用户,或是用于一些不支持复杂元数据的场景时,将其转换为更为普及的XV格式便显得尤为必要。XV格式,作为一种历史悠久且兼容性良好的图像文件,能够确保您的图像内容在多种设备和软件上顺畅显示。无论您是科研工作者、学生还是爱好者,我们的转换工具都能助您轻松完成FITS到XV的格式转换,让您的数据流通无阻,分享便捷。

  • 科研成果分享到朋友圈
  • 天文图像导入手机游戏素材
  • 教育机构内部资料展示

在大陆及港台地区,FITS文件在科研院所和高校中应用较广,但普通用户对XV格式的认知度远高于FITS。将FITS转为XV,有助于科研成果的科普传播和非专业领域的应用。

About FITS to XV Conversion

Short answer: yes, you can convert FITS to XV online for free, and quality is well preserved with the right settings. Just upload your .fits file to CocoConvert, pick XV as the output, and click Convert. The whole process takes seconds.

Now for the details. FITS is a widely used file format. XV is a widely used file format. Converting between these two formats lets you convert between formats quickly.

Your FITS file is decoded and re-encoded as XV. Converting FITS to XV maintains high quality with CocoConvert's optimised encoder settings.

CocoConvert runs entirely online — no software to install, no account to create. Your files are encrypted during upload (TLS), processed on isolated servers in Germany, and permanently deleted after 24 hours. It works in Chrome, Safari, Firefox, Edge, and all mobile browsers.

Need to convert more than one file? Free users can do 5 per hour. Pro gets 100 per hour with files up to 5 GB each.

How to Convert FITS to XV

  1. 1

    1. Upload FITS

    Drop your .fits file onto the page (or tap "Browse" on mobile). Add multiple files for batch conversion.

  2. 2

    2. Select XV

    Choose .xv from the output dropdown. Settings are pre-configured for best results.

  3. 3

    3. Convert

    One click. The server handles all the heavy lifting using FFmpeg and Sharp.

  4. 4

    4. Download

    Your .xv file is ready. Download it directly or get all files as a zip archive.

What Happens When You Convert FITS to XV

Your FITS file is decoded and re-encoded as XV.

1

Your FITS file is uploaded and validated

2

The file is decoded (parsed into its raw data)

3

The data is re-encoded in XV format

4

The converted file is ready for download

Format Comparison

.fits

FITS

.fits file

Extension.fits
MIME Typeimage/fits
CategoryImage
.xv

XV

.xv file

Extension.xv
MIME Typeimage/x-xv
CategoryImage

Should You Convert FITS to XV?

When to Convert

  • When you need a XV file

Frequently Asked Questions

Is FITS to XV conversion free?

Yes. CocoConvert offers free FITS to XV conversion with generous daily limits — 25 minutes of processing time and up to 5 files per hour (250 MB each). Pro plans remove these limits.

How fast is FITS to XV conversion?

Most files convert in 2–10 seconds depending on size. Large image files may take 30 seconds. Batch jobs process in parallel for maximum speed.

What happens to my files after conversion?

Your uploaded FITS file and the converted XV file are both automatically deleted from our servers within 24 hours. They are never shared, sold, or analysed.

Does converting FITS to XV lose quality?

Converting FITS to XV maintains high quality with CocoConvert's optimised encoder settings.

Can I convert XV back to FITS?

Yes, CocoConvert supports XV to FITS conversion as well. However, if the original conversion involved lossy compression, converting back won't recover the lost data.

Powered by — installed on our conversion workers
ImageMagick 7.1 (locked policy.xml)libheif 1.xlibjxl-tools 0.11.xLibRaw / dcraw_emu 0.21.xSharp 0.34.x (Node)

Versions are pinned in our worker Dockerfile and re-built via CI on every change.