BMP Won't Open? Convert to PNG Instantly
Fast, instant BMP to PNG conversion. No signup required. Just drop your .bmp file and get .png in seconds.
Batch Settings
क्या आपके पास BMP फ़ाइलें हैं जिन्हें आप बेहतर क्वालिटी और छोटी साइज़ वाली PNG में बदलना चाहते हैं? अक्सर सरकारी दस्तावेज़ों, स्कूल के प्रोजेक्ट्स या WhatsApp पर मिली तस्वीरों में BMP फ़ाइलें दिख जाती हैं, लेकिन इन्हें शेयर करना या वेबसाइट पर अपलोड करना थोड़ा मुश्किल होता है क्योंकि इनकी साइज़ बड़ी होती है। PNG फ़ाइलें जहाँ एक तरफ़ अपनी ओरिजिनल क्वालिटी बनाए रखती हैं, वहीं दूसरी तरफ़ वे बहुत कम जगह घेरती हैं। इससे उन्हें ईमेल पर भेजना, ऑनलाइन फ़ॉर्म भरना या दोस्तों के साथ शेयर करना आसान हो जाता है। हमारी यह सेवा आपको अपनी BMP फ़ाइलों को मिनटों में PNG में बदलने में मदद करेगी, बिना किसी परेशानी के और पूरी तरह से मुफ़्त। अब अपनी पुरानी BMP फ़ाइलों को नया डिजिटल रूप दें!
- आधार/पैन कार्ड अपलोड
- शैक्षणिक पोर्टफोलियो/पीडीएफ
- व्हाट्सएप मीडिया शेयरिंग
भारत में सरकारी पोर्टलों पर दस्तावेज़ अपलोड करते समय, अक्सर PNG जैसे छोटे और स्पष्ट फ़ाइल फ़ॉर्मेट की आवश्यकता होती है, जबकि स्कैन किए गए दस्तावेज़ कभी-कभी बड़े BMP के रूप में सहेजे जाते हैं।
About BMP to PNG Conversion
Dealing with a BMP file that won't open on your device? You're not alone — BMP compatibility issues are one of the most common reasons people search for a file converter. BMP is an uncompressed raster format that preserves every pixel but produces very large files.
The fix is simple: convert your BMP to PNG. PNG uses lossless compression and supports transparency, making it perfect for graphics, logos, and screenshots. This conversion lets you convert between formats quickly, solving the problem in seconds rather than hours of troubleshooting.
Full Name: BMP uses Bitmap Image, while PNG uses Portable Network Graphics. Compression: BMP uses None (uncompressed), while PNG uses Lossless. Transparency: BMP uses No, while PNG uses Yes. Converting BMP to PNG maintains high quality with CocoConvert's optimised encoder settings.
CocoConvert processes your BMP 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 You need a file that works in web browsers, or when you You need maximum device and software compatibility.
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 BMP to PNG
- 1
Add your BMP file
Drag and drop your .bmp file into the converter, or tap "Browse" to pick it from your device. Multiple files are supported for batch processing.
- 2
Pick PNG output
Select .png 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 .png file. For batch jobs, download all at once as a zip.
What Happens When You Convert BMP to PNG
Your BMP image is decoded into raw pixel data, then re-encoded as PNG. No quality loss — pixel data is preserved exactly.
Your BMP file is decoded — the compressed/stored pixel data is expanded into raw RGB pixels
Pixels are re-encoded using Portable Network Graphics's lossless compression
Metadata (EXIF, ICC profiles) is transferred where PNG supports it
The PNG file is saved and ready for download
BMP vs PNG — Detailed Comparison
| Feature | .BMP | .PNG |
|---|---|---|
| Full Name | Bitmap Image | Portable Network Graphics |
| Compression | None (uncompressed) | Lossless |
| Transparency | No | Yes |
| Animation | No | No |
| Color Depth | up to 32 bits/channel | 8 or 16 bits/channel (up to 48-bit color) |
| HDR Support | No | No |
| Typical File Size | 10–50 MB per photo (uncompressed) | 5–20 MB per photo, <1 MB for graphics |
| Platform Support | Universal | Universal |
| Browser Support | Limited | Universal |
| Year Created | 1986 | 1996 |
| Open Standard | No | Yes |
Should You Convert BMP to PNG?
When to Convert
- ✓You need a file that works in web browsers
- ✓You need maximum device and software compatibility
Frequently Asked Questions
Why won't my BMP file open?
BMP files may not open if your device lacks the right codec or application. Converting to PNG — a more widely supported format — usually resolves this. PNG uses lossless compression and supports transparency, making it perfect for graphics, logos, and screenshots.
Is it safe to convert BMP to PNG 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 BMP to PNG?
Converting BMP to PNG 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 BMP 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 BMP to PNG 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.