JP2 to ICO - Convert icon online
Conversion Results:
| # | Output File | Source File | Action |
|---|
How to convert JP2 to ICO:
1. Click the "Choose Files" button to select multiple files on your computer or click the "URL" button to choose an online file from URL, Google Drive or Dropbox. The source image format can be PNG, SVG, JPG, BMP, GIF, WEBP, HEIC, ICO, etc. To create transparent icons, you must choose source images with transparent background.
2. Choose icon type and icon sizes. You can choose to create one single multi-resolution icon for all selected sizes or one icon file for each size. The standard sizes for icons are 16x16, 32x32, 48x48, 64x64 and 128x128 pixels. You can choose the "Custom size" option and enter custom icon sizes. The format is [width]x[height], ranging from 16x16 to 256x256, separated with comma. For example: 30x30,60x60,90x90.
3. Click the "Convert Now!" button to start batch conversion. The output files will be listed in the "Conversion Results" section. Click icon to show file QR code or save file to cloud storage services such as Google Drive or Dropbox.
JP2 vs ICO:
| Name | JP2 | ICO |
| Full name | JPEG 2000 | Microsoft Icon |
| File extension | .jp2, .j2k, .jpf, .jpx, .jpm, .mj2 | .ico |
| MIME | image/jp2 | image/x-icon, image/vnd.-microsoft.icon |
| Developed by | Joint Photographic Experts Group | Microsoft |
| Type of format | Graphics file format | Graphics file format for computer icons |
| Introduction | JPEG 2000 (JP2) is an image compression standard and coding system. It was created by the Joint Photographic Experts Group committee in 2000 with the intention of superseding their original discrete cosine transform-based JPEG standard with a newly designed, wavelet-based method. | The ICO file format is an image file format for computer icons in Microsoft Windows. ICO files contain one or more small images at multiple sizes and color depths, such that they may be scaled appropriately. In Windows, all executables that display an icon to the user, on the desktop, in the Start Menu, or in Windows Explorer, must carry the icon in ICO format. |
| Technical details | JPEG 2000 code streams are regions of interest that offer several mechanisms to support spatial random access or region of interest access at varying degrees of granularity. It is possible to store different parts of the same picture using different quality. | An ICO file is made up of an ICONDIR ("Icon directory") structure, containing an ICONDIRENTRY structure for each image in the file, followed by a contiguous block of all image bitmap data (which may be in either Windows BMP format, excluding the BITMAPFILEHEADER structure, or in PNG format, stored in its entirety). |
| Associated programs | ACDSee, Adobe Photoshop, Corel Photo-Paint, GIMP | Axialis IconWorkshop, IcoFX, IconBuilder, Microangelo Toolset, Greenfish Icon Editor Pro, GIMP, ImageMagick, IrfanView, ResEdit. |
| Sample file | sample.jp2 | sample.ico |
| Wikipedia | JP2 on Wikipedia | ICO on Wikipedia |