PNG Won't Open? Convert to FITS Instantly
Fast, instant PNG to FITS conversion. No signup required. Just drop your .png file and get .fits in seconds.
Batch Settings
您是否曾想过，那些精美的PNG图片，也能转化成天文学界通用的FITS格式？这听起来或许有些跨界，但对于科研人员、天文爱好者乃至数字艺术家而言，这扇转换之门正悄然开启。无论是为了将日常捕捉的图像素材融入专业天文分析流程，抑或是将数字艺术作品赋予更深层次的科学解读，PNG转FITS都能提供一套独特的解决方案。我们深知，在图片处理和数据转换的道路上，效率与准确性至关重要。因此，我们致力于为您提供一个流畅、可靠的转换工具，让您的创意与科学探索不再受格式壁垒所限。现在，就让我们一起探索PNG图片在FITS格式下焕发新生的可能吧！
- 将手机摄影作品用于天文现象分析
- 游戏截图转换为科学数据图谱
- 数字艺术作品融入专业天文可视化
在大中华区，随着天文科普的普及和AI图像处理技术的发展，个人用户对图片格式转换的需求日益增长，尤其是在社交媒体分享和跨平台协作时，FITS格式的专业性与PNG的便捷性结合，能产生意想不到的应用价值。
About PNG to FITS Conversion
Dealing with a PNG file that won't open on your device? You're not alone — PNG compatibility issues are one of the most common reasons people search for a file converter. PNG uses lossless compression and supports transparency, making it perfect for graphics, logos, and screenshots.
The fix is simple: convert your PNG to FITS. FITS is a widely used file format. This conversion lets you convert between formats quickly, solving the problem in seconds rather than hours of troubleshooting.
Converting PNG to FITS maintains high quality with CocoConvert's optimised encoder settings.
CocoConvert processes your PNG file on secure servers in Germany — upload, convert, download. Your files are encrypted via TLS and automatically deleted within 24 hours. No account needed, no software to install, and it works on any device with a browser.
This conversion is ideal when you When you need a FITS file.
The conversion engine behind CocoConvert uses FFmpeg, Sharp, and qpdf — the same open-source libraries trusted by Netflix, YouTube, and enterprise platforms. Pro users can batch convert up to 100 files at once.
How to Convert PNG to FITS
- 1
Add your PNG file
Drag and drop your .png file into the converter, or tap "Browse" to pick it from your device. Multiple files are supported for batch processing.
- 2
Pick FITS output
Select .fits as the target format. CocoConvert automatically applies the best quality settings for this conversion.
- 3
Start conversion
Hit the Convert button. The image engine processes your file server-side — no CPU drain on your device.
- 4
Save your file
Once done, download your .fits file. For batch jobs, download all at once as a zip.
What Happens When You Convert PNG to FITS
Your PNG file is decoded and re-encoded as FITS.
Your PNG file is uploaded and validated
The file is decoded (parsed into its raw data)
The data is re-encoded in FITS format
The converted file is ready for download
Format Comparison
PNG
.png file
| Extension | .png |
| MIME Type | image/png |
| Category | Image |
FITS
.fits file
| Extension | .fits |
| MIME Type | image/fits |
| Category | Image |
Should You Convert PNG to FITS?
When to Convert
- ✓When you need a FITS file
Frequently Asked Questions
Why won't my PNG file open?
PNG files may not open if your device lacks the right codec or application. Converting to FITS — a more widely supported format — usually resolves this. FITS is a widely used file format.
Is it safe to convert PNG to FITS online?
Yes. CocoConvert encrypts your file via TLS, processes it on isolated servers in Germany, and permanently deletes it within 24 hours. Your files are never shared or analysed.
Will I lose quality converting PNG to FITS?
Converting PNG to FITS maintains high quality with CocoConvert's optimised encoder settings. CocoConvert uses high-quality encoder defaults to preserve as much fidelity as possible.
How large can my PNG file be?
Free users can convert files up to 250 MB each. Pro users get a 5 GB limit per file, and Business API users have custom limits.
Can I convert PNG to FITS on my phone?
Absolutely. CocoConvert works in any modern browser — iOS Safari, Android Chrome, and all desktop browsers. No app required.
Versions are pinned in our worker Dockerfile and re-built via CI on every change.