JSONP File Extension
JSON-with-padding Source Code
- File Type jsonp
- Popularity
- Application Windows Notepad
- Category Developer Files
What is a JSONP file?
JSON-with-padding Source Code, identified by the JSONP extension, is a Developer Files type and includes 1166 files.
JSONP files are supported by Windows, Mac OS and Linux. If you need to open a JSONP file, you can use one of 6 programs, such as Windows Notepad, TextEdit and Atom.
Programs that support JSONP files
How to open a JSONP file?
If you’re having difficulty opening a JSONP file, it is often due to not having the correct software. To solve the problem, choose a compatible program from the list. Then follow the link to the official developer site, download the software, and install it on your device.
The most popular programs for working with JSONP files are Windows Notepad, TextEdit and Atom. To install the current version of Windows Notepad, go directly to the official Microsoft website. The universal package for all operating systems is available there.
After installing, your OS should instantly open JSONP files with Windows Notepad.
Set Windows Notepad to open JSONP by default
Changing the default program in Windows
- Right-click your JSONP file, then navigate to the "Open With" option and click "Choose Another Application" to continue;
- Find the Windows Notepad application in the pop-up window and select it as your preferred program;
- Select the "Always use this application" check box and click "OK" to save your selection as the default application for opening JSONP files.
Change default apps on Mac
- Right-click or use Control + Left-click on the desired JSONP file to access the file’s context menu;
- Select "Open in application" and click "Other";
- Look towards the bottom of the window, where you will find the "Enable" menu. "Recommended programs" will be the default selection;
- Choose "All Programs" in this menu and search for Windows Notepad. Check the box next to "Always open in app" to set it as the default option.
How to edit a JSONP file?
To edit JSONP files, you need to install specialized software that allows you not only to open but also to modify developer files. Online JSONP editors usually provide fewer features than software created specifically for JSON-with-padding Source Code.
List of Top JSONP editors 2026
Based on the specified criteria, here is a list of JSONP editors that may fit your requirements.
| JSONP Editor Software | Developer | Platforms | Overall Rating |
|---|---|---|---|
| TextEdit | Apple | Mac OS | 4.8 out of 5 (40 reviews) |
| Gedit | GNOME | Linux | 4.6 out of 5 (38 reviews) |
| Notepad++ | Notepad++ Team | Windows | 4.6 out of 5 (37 reviews) |
| Sublime Text | Sublime HQ Pty | Windows, Mac OS, Linux | 4.6 out of 5 (39 reviews) |
| Windows Notepad | Microsoft | Windows | 4.2 out of 5 (37 reviews) |
| Atom | - | Windows, Mac OS, Linux | 4.1 out of 5 (36 reviews) |
Easy JSONP Troubleshooting
Problematic JSONP files can usually be resolved by making small changes in your software. See the tips below to help fix common issues.
What are the telltale signs of a corrupt JSONP file?
Corrupted JSONP developer files may have one or more of the following symptoms:
- Unexpected expansion of the total size of the JSONP file;
- Opening the file in Windows Notepad or other programs causes them to hang or crash;
- Opening the file results in an error or a failed attempt;
- While working with the file, error messages appear;
- Poor performance when editing a file in Windows Notepad;
Why does Windows Notepad crash or shut down frequently?
Windows Notepad crashes can occur due to outdated software versions. To mitigate this, install the latest updates for Microsoft products.
Restarting your computer is often an effective solution to resolve various common problems. Therefore, it is recommended to do so before making any changes to the software configuration.
Is there any specific software or utility that can help repair a damaged JSONP file?
Open the damaged JSONP file with a recovery program, and then select the "Repair" menu item to start the repair process. Allow the recovery process to complete, which will automatically repair the damaged developer files.