JSONViewer for Notepad++

This plugin is meant to display a JSON string in a Treeview. It also marks the error position in case of parsing errors. That's it!!! The plugin can be used in Notepad++.

Instructions:

1. Paste the file NPPJSONViewer.dll to Notepad++ plugins\NPPJSONViewer folder
2. Restart Notepad++ and verify that the plugin appears under the Plugins menu
3. Open a document containing a JSON string (or paste in some JSON text)
4. Select JSON fragment and navigate to plugins/JSON Viewer/show JSON Viewer or press "Ctrl+Alt+Shift+J"
5. Voila!! If the JSON is valid, it will be shown in a Treeview

Latest Updates:

2.0.5.0

1. New feature:
   1. Make json highlighter configurable
2. Bug/regression fixes:
   1. Handle json for both the views.
   2. Update treeview on reopen
   3. When file type is json, then error message is shown twice on npp launch if viewer dock was kept opened on previous instance
   4. Don't show error message on startup for non json files

2.0.4.0

1. New feature:
   1. Show element count for list/array
2. Bug/regression fixes:
   1. Crash fix: Setting dialog is not shown if about dialog is opened before it.
   2. Set language type JSON properly
   3. Some minor UI enhancements

2.0.3.0

1. New feature:
   1. Search in json tree window
   2. Handle NaN, Inf, -Inf, Infinity, -Infinity properly
2. Bug/regression fixes:
   1. Handle all types of arrays which does not have any key
   2. Corrected typos in setting json
   3. Don't use double qoutes for other than string type

2.0.2.0

1. Provided UI to control formatting option via setting dialog
   1. Setting for indentation
   2. Setting for line ending
   3. Setting for line format
   4. Make json parsing configurable e.g. ignore trailing comma, ignore comment
2. Added couple of new feature
   1. Follow json tree for current tab if it is json file
   2. Auto format json file when opened (by direct or by tab switching)
3. Few bug/regression fixes

2.0.1.0

1. Redeveloped UI
   1. Provided menu icon
   2. Json view panel is redesigned which is button like, refresh, validate, format etc.
   3. It uses well performed class instead of plain function
2. Current selected node path is given on the bottom of json view window
3. Many feature support such as copy node, copy value, copy path, expand/collapse all etc.
4. Few bug fixes

1.41

1. Support for ARM64
2. Dropped Windows XP support as Notepad++ is no more supporting Windows XP.
3. Upgrade Visual Studio to 2022

1.40

1. issue-55 Format JSON should also set the language to JSON #FeatureRequest
2. issue-56 Format Should Follow Line Break Settings
3. issue-57, issue-60 "Should add a function to remove line breaks and spaces" Thanks @neoarc
4. issue-68 Crashing Notepad++
5. issue-72 tab setting from notepad++ settings are not honored
6. issue-73 Display tree for Array of Object
7. issue-80 use line ending setting from editor
8. Relaxed parsing. Supports trailling commas, comments(only parsing), NaN and infinity JS literals.

1.34

1. Fix Access Violation issue #51
2. Fix issue #47
3. Fix issue #43

1.31

1. Reads tab setting from notepad++ settings

1.30a

1. Now using rapidjson

1.24

1. 64 bit support. Thanks @chcg

1.23

1. Select all text when no selection Thanks @vakio
2. fix memory leak and close About dialog when clicking "Close" button Thanks @quangnh89

1.22

1. Fixed display of boolean values. Now displaying as "key":True/False Thanks @yoyokenny
2. Fixed hang on faulty JSON. Thanks @vancekic

1.21

1. Fixed display of UTF-8 characters.

1.20

1. Fixed bug "#3 quoted doublequotes-Jan Huschauer"

1.19

1. Added a command to format JSON

1.175

1. Now displays a message box when JSON string is not selected.

1.17

1. Fixed dialog display issue, that occured in 1.16 release.

1.16

1. Fixed bug - 3305433 do not find error on second try and do not build tree
2. Fixed a memory leak..was not deallocating memory allocated to json strings

1.15

1. Fixed bug 3203739 "Unable to parse JSON Arrays"

1.1

1. Fixed hotkey, now press CTRL+SHIFT+ALT+J(default).
2. Marks error position in JSON

Contributors