Free online JPX to ICO converter
Convert JPX images to Windows ICO icons with the best tools and steps.
Convert JPX to ICO online - free
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How to convert jpx to ico file
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JPX is a JPEG 2000 image file format that can store high-quality compressed graphics with advanced features such as transparency and rich color depth. ICO is an icon file format used mainly by Windows for application icons, shortcuts, and favicons, often containing multiple image sizes in one file.
Why convert jpx to ico
Converting JPX to ICO is useful when you need to turn a high-quality image into a Windows-compatible icon. ICO files are commonly required for desktop apps, website favicons, and software branding.
Best software for conversion
The best choice depends on whether you want a simple one-time conversion or more control over icon sizes and transparency. For most users, GIMP is a strong option because it can open JPX files and export images that can then be saved as ICO with the right plugin or workflow. IrfanView is also a practical converter for quick image format changes on Windows. If you need online conversion, a reliable image converter that supports JPEG 2000 input and ICO output can work well, but desktop software is usually better for icon quality and size control.
How to convert jpx to ico
- Open the JPX file in your chosen software.
- Resize the image to icon-friendly dimensions such as 16×16, 32×32, 48×48, or 256×256.
- Preserve transparency if the source image has it.
- Use File → Export or File → Save As and choose ICO as the output format.
- Confirm the icon settings if the program offers multiple embedded sizes.
Important things to know
- ICO files often contain several resolutions in one file for better display quality.
- Not every converter supports direct JPX to ICO export, so an intermediate format like PNG may be needed.
- For best results, start with a square image and avoid very large source dimensions unless you need a high-resolution icon.
- If the icon will be used on Windows, make sure the background and transparency look correct at small sizes.
Recommended workflow
For the highest compatibility, open the JPX image in GIMP or IrfanView, adjust the canvas to a square icon size, then export to ICO. If direct export is unavailable, save as PNG first and convert the PNG to ICO using an icon editor or converter.
Summary
JPX to ICO conversion is best handled with software that supports JPEG 2000 input and icon export. GIMP is the most flexible option, while IrfanView is a fast and convenient choice for Windows users.
Note: This jpx to ico conversion record is incomplete, must be verified, and may contain inaccuracies. Please vote below whether you found this information helpful or not.
JPX vs ICO: format comparison
How the JPX and ICO formats compare on the properties that matter most for this conversion.
| Property | .JPX JPEG 2000 Image File | .ICO Icon Image File |
|---|---|---|
| Compression | Both | Both |
| Transparency | Yes | Yes |
| Animation | No | No |
| Layers | — | No |
| Color depth | True color (24-bit) | Indexed (256 colors) |
| Metadata support | Extensive | Basic |
| Opens in a web browser | No | Yes, natively |
| Typical file size | Small | Very small |
| Open standard | Partly open | Partly open |
| Best used for | Photographs | Icons |
| Introduced | 2000 | — |
| Developer | Joint Photographic Experts Group (JPEG); standardized by ISO/IEC | Microsoft Corporation |
| MIME type | image/jp2 | image/x-icon |
Frequently asked questions
Is the JPX to ICO converter free?
Yes, converting JPX to ICO on 101convert.com is completely free. No registration, email address or installation is required.
How large can my JPX file be?
You can upload JPX files up to 2000 MB and convert up to 200 files at once in a single batch.
What happens to my uploaded files?
Files are processed automatically and deleted from our servers within a few minutes after conversion. We never view or share your files.
Do I need to install any software to convert JPX to ICO?
No. The JPX to ICO conversion runs entirely online in your browser and works on Windows, Mac, Linux, Android and iPhone.
Did the conversion fail?
In most cases, the cause is an incorrect file format. Please upload a valid JPX file for this JPX to ICO conversion. Occasionally, the issue may be on our side. We analyze recurring conversion failures and disable or fix the converter if we detect a defect.