Jayson

Jayson


JSON viewer and editor


FreeOffers In-App Purchases

1.4.2for iPhone, iPad and more
8.9
347 Ratings
Simon B. Støvring
Developer
29.8 MB
Size
Oct 15, 2021
Update Date
#55
in Developer Tools
4+
Age Rating
Age Rating
4+
Apps in this category do not contain restricted content.
9+
Apps in this category may contain mild or occasional cartoon, fantasy or real-life violence, as well as occasional or mild adult, sexually suggestive or horrifying content and may not be suitable for children under 9 years of age.
12+
Apps in this category may contain occasional mild indecent language, frequent or intense cartoon or real-life violence, minor or occasional adult or sexually suggestive material, and simulated gambling, and may be for children under 12 years of age.
17+
You must be at least 17 years old to access this App.
Apps in this category may contain frequent and intense offensive language; Frequent and intense cartoon, fantasy or realistic violence: frequent and intense adult, scary and sexually suggestive subjects: as well as sexual content, nudity, tobacco, alcohol and drugs, may not be suitable for children under 17 years of age.
Jayson Screenshots
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About Jayson

Jayson is a simple yet powerful JSON viewer and editor with Siri Shortcuts, Share Sheet Actions and URL schemes.

Features include:

- Browse JSON files stored on your device.
- Toggle between viewing JSON in a table or as syntax highlighted text.
- Tabbed interface to quickly switch between files or different objects in a single file.
- Use multiple splits to easily compare JSON documents in a single file or across multiple files.
- Multiple windows on the iPad allows for even more options to browse and edit JSON documents.
- Parse text or the contents of a URL in your clipboard to JSON.
- Siri Shortcuts that parse JSON from a text or a link stored in your clipboard. The shortcuts can open the JSON in the app or preview it in an interactive notification.
- Share Sheet Actions for parsing JSON from plain text, loading JSON from a link and importing files as JSON.
- URL schemes for parsing a text, loading the contents of a link as JSON or parsing the contents of your clipboard.
- Choose a location on your device to store imported files.
- Highlight a key from a child of an array to quickly get an overview.
- Short videos that help you get started with the app.

Features that require the "Unlock Everything" in-app purchase:

- Switch between light and dark themes.
- Changing the visual appearance, including the app icon, accent color and type icons.
- Opening more than two tabs.
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What's New in the Latest Version 1.4.2

Last updated on Oct 15, 2021
Old Versions
Fixes an issue where the list of breadcrumbs weren't correctly updated after selecting a breadcrumb. This was also the root cause for a common crash.
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Version History
1.4.2
Oct 15, 2021
Fixes an issue where the list of breadcrumbs weren't correctly updated after selecting a breadcrumb. This was also the root cause for a common crash.
1.4.1
Jan 4, 2021
Fixes issue where error messages would sometimes not be shown when Jayson failed to open a URL scheme.
1.4
May 31, 2020
- New: Adds the Prettify JSON action to Shortcuts. It takes a dictionary, list or text as input and outputs a pretty JSON string.
- New: Integrates better with the document browser for creating new files. Files will now be created in the folder you're browsing.
- New: Adds +/- button in the keyboard when adding or editing a number value.
- Bugfix: Numbers written with scientific notation (e.g. 7e+16) could not be parsed when they contained a plus.
- Bugfix: Sometimes decimal numbers weren't displayed correctly.
- Bugfix: The Get File action in Shortcuts no longer requires the file extension in order to find the file.
1.3.4
Apr 2, 2020
This update enhances the experience when using the app with a pointing device on the iPad.

- Pulls the pointer toward buttons in the toolbar when close to a button.
- Shows a tooltip when hovering the pointer over a button in the toolbar.
- Shows a move icon when hovering a pointer over the toolbar in a split, indicating that the split can be moved.
1.3.3
Mar 5, 2020
- New: Adds the JetBrains Mono font.
- Bugfix: Opening a file located on a network drive would give an error.
1.3.2
Dec 28, 2019
- New: Use Option+K to pick a key to highlight when browsing an array of dictionaries. Navigate the list of possible keys to highlight using the arrow keys.
- New: Use CMD+Shift+O to present already open documents.
- New: Press enter to start editing text when viewing a single value. Press escape to stop editing.
- New: Use Option+S to share the document or the current value.
- New: Settings can now be navigated with the arrow keys.
- New: The JSON parser is now much faster.
- New: Choose if keys and values should be auto-capitalized and autocorrected in settings.
- New: "Read from Clipboard" have been renamed to "Open from Clipboard".
- Bugfix: Sometimes characters couldn't be deleted when editing a value.
- Bugfix: Numbers written with scientific notation could not be parsed if they included an uppercase E.
- Bugfix: The document browser did not display a progress indicator while opening a document.
- Bugfix: Creating a split or tab by long pressing a breadcrumb would result in an incorrect navigation hierarchy.
1.3.1
Dec 12, 2019
- New: Adds support for pasting values into arrays and dictionaries using CMD+V. Values can be primitive values such as strings or numbers or entire JSON objects.
- New: Adds support for cutting values from arrays and dictionaries using CMD+X.
- New: Simplified the document creation flow. When creating a document, you will only need to choose if the root of the document should be a dictionary or an array. The new document is a temporary document, meaning that you will be prompted to save it when closing.
- New: Dims the background color of selected values in splits that are inactive. Only the active split responds to keyboard shortcuts.
- New: Adds a new setting on the iPad to dim the content of inactive splits.
- New: Adds the Shift+CMD+S keyboard shortcut for saving a copy of a document.
1.3
Dec 11, 2019
Jayson is now available on the Mac! Bringing Jayson to the Mac also benefits the iOS and iPadOS versions of Jayson. This update adds support for navigating JSON with an external keyboard, improves drag and drop of splits and tabs, more customisation options, better error handling and much more.

- New: There's a bunch of new keyboard shortcuts for navigating and editing JSON on the iPad.
- New: Dragging a split into a tab will now move the split rather than copy it.
- New: Creating a new window from a split or a tab will now move the split or tab rather than copy it.
- New: Adds more type icon styles. Choose your style in the app settings.
- New: Long pressing a value now presents you with the options to edit, duplicate and delete the value.
- New: Values can be added without entering edit mode. You can configure your toolbar to always show the "Add Value" tool in the settings.
- New: Values can now be swiped to be deleting without being in edit mode.
- New: Choose any folder in which imported documents and documents created from the clipboard will be saved.
- New: Change the default name of new files and files crated from the clipboard from the settings. There's also a setting to use the current date and time as the default name.
- New: The menu presented when long pressing a value now shows icons.
- New: When failing to parse JSON documents, Jayson will show a short error message explaining why the parsing failed.
- New: Replaces the "zooming" transition with a fade transition when opening documents.
- Bugfix: Values in an array would sometimes have an incorrect index after being reordered.
- Bugfix: Fixed an issue where changes to the document wouldn't always be properly reflected when they were made in a different app.
- Bugfix: Sometimes the app would crash when navigating back after editing a value.
1.2.2
Oct 3, 2019
Fixes an issue where files containing CR LF (\r\n) line breaks could not be parsed. The issue was introduced in version 1.2.1.
1.2.1
Oct 2, 2019
- Adds actions to copy keys and values to the context menus presented when long pressing a value.
- Slightly adjusts the colors of the settings to make it more calm.
- Fixes an issue where some UTF-16 encoded JSON files could not be parsed.
- Fixes an issue where the footers of the "Save Clipboard To" and "Copy Files To" settings got clipped.
- Fixes an issue where the header of the Appearance section was not displayed correctly in the settings.
1.2
Sep 19, 2019
This update adds support for editing and creating JSON documents. You can add new values, edit existing values and reorder the elements in a document. The update also makes the Jayson feel right at home on iOS 13 with Siri Shortcuts that support parameters and the option to view documents in multiple windows on iPads.

- Five new app icons
- Documents can now be edited and created.
- In addition to tabs and splits, you can now view documents in multiple windows on the iPad.
- The light and dark themes have been updated to use the new system colors.
- Choose whether to use the system appearance or always light or dark mode in settings.
- The shortcuts have been unified in one single "View JSON" shortcut that uses the new parameters.
- The "Using the Shortcuts Actions" guide have been updated to show how to use the new "View JSON" shortcut.
- The toolbar can now be customized from settings.
- The order of keys now match the order defined in the JSON text file that was opened.
- Various UI tweaks to make the app look and feel right at home on iOS 13.
1.1.2
Mar 31, 2019
- New: Enabling the new “Compact JSON” setting for the plain text view, will show reduce the number of lines and the amount of indentation used when displaying the JSON as plain text.
- Bugfix: Fixed issue where decimal numbers were sometimes displayed with an incorrect value.
- Bugfix: Fixed issue where dictionary keys weren’t correctly escaped.
1.1.1
Feb 18, 2019
- New: On first launch, new users are now presented with a sample JSON file in order to quickly get started with the app.
- New: The value of highlighted keys can now be copied by long pressing an item in an array.
- Bugfix: Fixed issue where floating point numbers were sometimes displayed with an incorrect value.
1.1
Feb 13, 2019
- You can now easily parse the content of your clipboard as JSON from within the app. Press the new clipboard icon on the frontpage of the app to parse your clipboard. If your clipboard contains a link, Jayson will ask if you want to load the contents of the link and parse it. In the settings you can choose if the parsed JSON should be stored.
- Quickly get an overview of the types in a JSON document with the new icons shown next to the data type in the table view. If you’ve purchase the “Unlock Everything” upgrade, you can choose between three different appearances of these or choose to hide them all together.
- The new “Highlighted key” feature makes it quicker to get an overview of an array by extracting a value from its child objects to the list of values in the array. So in addition to the array indices, you can now display the value of a key.
- Force touch the app icon to quickly parse the content of your clipboard.
- There’s a today view which makes it fast to view JSON in the app, if your clipboard contains valid JSON or a link.
- When closing an unsaved file, Jayson will now ask you if you want to save the file before closing it. This can be disabled in the settings.
- You can now choose between four different fonts to use in the plain text view and adjust the font size. This requires the “Unlock Everything” upgrade.
- The plain text with syntax highlighting now loads much faster, especially when viewing large JSON files.
- Added white app icon.
- Bugfix: Fixed issue where the “View JSON” Share Sheet Action would not show JSON shared from the shortcut output of a shortcut run in the Shortcuts app.
- Bugfix: Fixed issue where tab selection was sometimes not preserved after reordering tabs.
- Bugfix: Improved error messages throughout all of the extension points of the app.
1.0.1
Feb 1, 2019
Thank you for downloading Jayson!

This update fixes a bug where the text view would be replaced by the hierarchical view when the file was changed from another app.
1.0
Jan 31, 2019

Jayson FAQ

Click here to learn how to download Jayson in restricted country or region.
Check the following list to see the minimum requirements of Jayson.
iPhone
Requires iOS 13.0 or later.
iPad
Requires iPadOS 13.0 or later.
iPod touch
Requires iOS 13.0 or later.
Jayson supports English, Danish
Jayson contains in-app purchases. Please check the pricing plan as below:
Unlock Everything
$1.99

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