About One Markdown
One Markdown is a simple and fast editor that supports plain text, Markdown and Textbundle. It has the following features: * Base on CommonMark syntax and GitHub Flavored Markdown (GFM) extended syntax, supporting TOC,...
One Markdown is a simple and fast editor that supports plain text, Markdown and Textbundle. It has the following features: * Base on CommonMark syntax and GitHub Flavored Markdown (GFM) extended syntax, supporting TOC, tables, code blocks, math formulas, task lists, footnotes, etc. * Display the text of the Markdown document completely without any deletion. * Images can be displayed directly in the Editor, supporting jpg, png, gif, webP, HEIC and etc. * Math formulas, mermaid and Echarts drawings can be previewed in the editor. * You can set your favorite font or multiple fonts for writing. * You can choose from 11 light themes and 21 dark themes, and also support custom themes. * There is a menu to facilitate the input of Markdown syntax, and a special Markdown syntax keyboard is also provided in iOS. * Convenient tools for generating and formatting Markdown table syntax. * You can view the outline and word count of Markdown documents. * Markdown documents can be previewed and support Editor & Preview mode. Terms of Use: https://www.mweb.im/onemarkdown-terms.html Privacy Policy: https://www.mweb.im/onemarkdown-policy.html PS: The lightweight choice is One Markdown. If you need a complete and powerful app, please take a look at MWeb, I hope you like it!
Version History * Improvement: Opening Markdown documents with hundreds of images is now very fast. * Improvement: The style for exporting to PDF can now be selected from the custom themes. If you have a custom light theme, you can select it as the PDF style in the "Styles" button in the export to PDF interface. * Improvement: The mermaid library has been upgraded to version 11.14.0. * Other bug fixes and improvements. 1.6.7 May 3 * Bug fixes and improvements. 1.6.6 12/02/2025 * Bug fixes and improvements. 1.6.5 11/30/2025 * Fixed some Markdown syntax keyboard issues. 1.6.4 10/23/2025 * Bug fixes and improvements. 1.6.3 10/20/2025 * Bug fixes and improvements. 1.6.2 10/13/2025 * Continuously improve and adapt to iOS/iPadOS 26 and the new Liquid Class design. * Bug fixes. 1.6.1 09/19/2025 * Adapted to the new system and Liquid Class design. * Bug fixes and improvements. 1.5.9 09/16/2025 * Improvement: When using multiple fonts, the table syntax font in the editor has been changed from "Body Font" to "Code Block Font." This is because code block fonts are typically monospaced, which helps the table syntax align and look better. * Improvement: The mermaid library has been updated to version 11.10.1. * Other bug fixes and improvements. 1.5.8 09/03/2025 * Improvement: When using the video, audio tags of HTML syntax to link local video and audio files, they can be played correctly in the preview. * Improvement: Greatly improved the memory usage when opening a document with a large number of gif files. * Other bug fixes and improvements. 1.5.7 03/05/2025 * New feature: You can now export selected parts of a document as images. Usage: First select the text you want to export in the editor, then use "Publish - Export or copy as image...". A "Scope:" option has also been added to the export interface, you can choose "Selected" or "All". * New feature: Support for dark icons. * Improvement: Greatly improved preview performance for large documents. * Other bug fixes and improvements. 1.5.6 01/23/2025 * Bug fixes and improvements. 1.5.5 12/28/2024 * Improvement: Compatible with iOS 18. * Improvement: The editor add the "Words and Characters Count" menu item to the "Format" menu in the context menu to facilitate viewing the number of words and characters in the selected text. * Other bug fixes and improvements. 1.5.2 10/11/2024 * Improvement: Export images now have options of "Solid border, no gradient" and "No border, no gradient". * Bug fixes and improvements. 1.5.1 08/05/2024 * Improvement: When exporting a Markdown document as an image, you can choose whether to add a border or not, and you can also choose 4 different image sizes. The exported images also become very beautiful. * Bug fixes and improvements. 1.4.9 05/30/2024 * Improvement: When exporting HTML, you can choose whether to add Table Of Contents (TOC), and whether to add it on the left or right. You can choose it in the interface for exporting HTML. * Improvement: Insert current date button, add a menu item to insert the current time. * Improvement: When changing the editor font size, the preview font size will also change accordingly. * Other bug fixes and improvements. 1.4.8 04/30/2024 * Improvement: Further improvements to accessibility compatibility. * Improvement: The export PDF function in macOS now allows fonts and font size settings, where the fonts list comes from multiple fonts in "Settings - Fonts". In addition, the export PDF function in iOS/iPadOS also adds fonts, font size, paper, margins and other setting items. * Other bug fixes and improvements. 1.4.7 04/08/2024 * Bug fixes and improvements. 1.4.6 02/06/2024 * Bug fixes and improvements. 1.4.5 01/30/2024 * Improvement: In the previous version, if the document was not in the One Markdown folder, you would be prompted to grant read permission to the folder where the document is located before loading the images in the document. Now you can add frequently used folders in settings, and you will no longer be prompted after adding them. * Bug fixes and improvements. 1.4.4 01/03/2024 * Bug fixes and improvements. 1.4.1 12/15/2023 * New feature: New "Settings - Editor - Theme Prefer:", there are three options: "Automatically by System, Prefer Light Theme, Prefer Dark Theme". When you choose "Automatically by System", the theme will change according to the light and dark settings of the iOS/iPadOS system. * Improvement: Compatible with iOS/iPadOS 17. * Other bug fixes and improvements. 1.3.9 09/21/2023 * New feature: add 25 new themes, including 8 light themes and 17 dark themes. * Bug fixes and improvements. 1.3.8 09/07/2023 * Improvement: Improved LaTeX's `$` syntax support, support $ escape, support GitHub's $`sqrt{3x-1}+(1+x)^2`$ syntax. * Improved: LaTeX settings added option: LaTeX enables physics package. * Other bug fixes and improvements. 1.3.7 08/04/2023 Fixed: "Generate Github Style TOC" function is not working properly. 1.3.6 07/14/2023
Previous Versions
Here you can find the changelog of One Markdown since it was posted on our website on 2022-08-09 10:12:13.
The latest version is 1.6.7 and it was updated on 2026-06-13 14:24:52. See below the changes in each version.
One Markdown version 1.6.7
Updated At: 2026-06-13
Changes: Version History * Improvement: Opening Markdown documents with hundreds of images is now very fast.
* Improvement: The style for exporting to PDF can now be selected from the custom themes. If you have a custom light theme, you can select it as the PDF style in the "Styles" button in the export to PDF interface.
* Improvement: The mermaid library has been upgraded to version 11.14.0.
* Other bug fixes and improvements. 1.6.7 May 3 * Bug fixes and improvements. 1.6.6 12/02/2025 * Bug fixes and improvements. 1.6.5 11/30/2025 * Fixed some Markdown syntax keyboard issues. 1.6.4 10/23/2025 * Bug fixes and improvements. 1.6.3 10/20/2025 * Bug fixes and improvements. 1.6.2 10/13/2025 * Continuously improve and adapt to iOS/iPadOS 26 and the new Liquid Class design.
* Bug fixes. 1.6.1 09/19/2025 * Adapted to the new system and Liquid Class design.
* Bug fixes and improvements. 1.5.9 09/16/2025 * Improvement: When using multiple fonts, the table syntax font in the editor has been changed from "Body Font" to "Code Block Font." This is because code block fonts are typically monospaced, which helps the table syntax align and look better.
* Improvement: The mermaid library has been updated to version 11.10.1.
* Other bug fixes and improvements. 1.5.8 09/03/2025 * Improvement: When using the video, audio tags of HTML syntax to link local video and audio files, they can be played correctly in the preview.
* Improvement: Greatly improved the memory usage when opening a document with a large number of gif files.
* Other bug fixes and improvements. 1.5.7 03/05/2025 * New feature: You can now export selected parts of a document as images. Usage: First select the text you want to export in the editor, then use "Publish - Export or copy as image...". A "Scope:" option has also been added to the export interface, you can choose "Selected" or "All".
* New feature: Support for dark icons.
* Improvement: Greatly improved preview performance for large documents.
* Other bug fixes and improvements. 1.5.6 01/23/2025 * Bug fixes and improvements. 1.5.5 12/28/2024 * Improvement: Compatible with iOS 18.
* Improvement: The editor add the "Words and Characters Count" menu item to the "Format" menu in the context menu to facilitate viewing the number of words and characters in the selected text.
* Other bug fixes and improvements. 1.5.2 10/11/2024 * Improvement: Export images now have options of "Solid border, no gradient" and "No border, no gradient".
* Bug fixes and improvements. 1.5.1 08/05/2024 * Improvement: When exporting a Markdown document as an image, you can choose whether to add a border or not, and you can also choose 4 different image sizes. The exported images also become very beautiful.
* Bug fixes and improvements. 1.4.9 05/30/2024 * Improvement: When exporting HTML, you can choose whether to add Table Of Contents (TOC), and whether to add it on the left or right. You can choose it in the interface for exporting HTML.
* Improvement: Insert current date button, add a menu item to insert the current time.
* Improvement: When changing the editor font size, the preview font size will also change accordingly.
* Other bug fixes and improvements. 1.4.8 04/30/2024 * Improvement: Further improvements to accessibility compatibility.
* Improvement: The export PDF function in macOS now allows fonts and font size settings, where the fonts list comes from multiple fonts in "Settings - Fonts". In addition, the export PDF function in iOS/iPadOS also adds fonts, font size, paper, margins and other setting items.
* Other bug fixes and improvements. 1.4.7 04/08/2024 * Bug fixes and improvements. 1.4.6 02/06/2024 * Bug fixes and improvements. 1.4.5 01/30/2024 * Improvement: In the previous version, if the document was not in the One Markdown folder, you would be prompted to grant read permission to the folder where the document is located before loading the images in the document. Now you can add frequently used folders in settings, and you will no longer be prompted after adding them.
* Bug fixes and improvements. 1.4.4 01/03/2024 * Bug fixes and improvements. 1.4.1 12/15/2023 * New feature: New "Settings - Editor - Theme Prefer:", there are three options: "Automatically by System, Prefer Light Theme, Prefer Dark Theme". When you choose "Automatically by System", the theme will change according to the light and dark settings of the iOS/iPadOS system.
* Improvement: Compatible with iOS/iPadOS 17.
* Other bug fixes and improvements. 1.3.9 09/21/2023 * New feature: add 25 new themes, including 8 light themes and 17 dark themes.
* Bug fixes and improvements. 1.3.8 09/07/2023 * Improvement: Improved LaTeX's `$` syntax support, support $ escape, support GitHub's $`sqrt{3x-1}+(1+x)^2`$ syntax.
* Improved: LaTeX settings added option: LaTeX enables physics package.
* Other bug fixes and improvements. 1.3.7 08/04/2023 Fixed: "Generate Github Style TOC" function is not working properly. 1.3.6 07/14/2023
One Markdown version 1.6.6
Updated At: 2025-12-02
Changes: * Bug fixes and improvements.
One Markdown version 1.6.2
Updated At: 2025-09-24
Changes: Sep 24, 2025
Version 1.6.2
* Continuously improve and adapt to macOS 26 and the new Liquid Class design.
* New feature: When the "Outline View" is docked on the left or right side, you can now resize it by dragging the divider. The "Outline View" will automatically hide when the window size is reduced to a certain size and will automatically reappear when the window size is increased.
* New feature: The selected item in the "Outline View" will also synchronize its content in preview mode.
* Bug fixes.
One Markdown version 1.5.7
Updated At: 2025-03-04
Changes: Mar 4, 2025
Version 1.5.7
* Improvement: When using the video, audio tags of HTML syntax to link local video and audio files, they can be played correctly in the preview.
* Improvement: When using the menu: File - Restore to - Browse All Versions, browsing the historical versions of the document will also display images correctly.
* Improvement: Greatly improved the memory usage when opening a document with a large number of gif files.
* Other bug fixes and improvements.
One Markdown version 1.5.6
Updated At: 2025-01-23
Changes: Jan 23, 2025
Version 1.5.6
* New feature: You can now export selected parts of a document as images. Usage: First select the text you want to export in the editor, then use "Publish - Export or copy as image...". A "Scope:" option has also been added to the export interface, you can choose "Selected" or "All".
* Improvement: Greatly improved preview performance for large documents.
* Other bug fixes and improvements.
One Markdown version 1.5.5
Updated At: 2024-12-20
Changes: Dec 20, 2024
Version 1.5.5
* Bug fixes and improvements.
One Markdown version 1.5.4
Updated At: 2024-10-23
Changes: Oct 23, 2024
Version 1.5.4
* Fix: The menu "Edit - Replace - Smart Quotes and Smart Dash" option changes are now will remembered.
One Markdown version 1.5.3
Updated At: 2024-10-14
Changes: Oct 14, 2024
Version 1.5.3
Urgently fix the problem that macOS Catalina and below versions cannot run.
* Improvement: Optimized the memory usage of Textbundle documents with a lots images.
* Improvement: The editor add the "Words and Characters Count" menu item in the selection text context menu (right-click menu) .
* Improvement: When the document is modified using an external app, it will automatically reload the modified document when switching back.
* Improvement: Compatible with macOS 15 Sequoia.
* Other bug fixes and improvements.
One Markdown version 1.5.1
Updated At: 2024-07-31
Changes: Jul 31, 2024
Version 1.5.1
* New feature: Added a "Always on Top" button in the toolbar. Use the menu: "View - Customize toolbar" to see it.
* Improvement: Export images now have options of "Solid border, no gradient" and "No border, no gradient".
* Improvement: The "Undo and Redo" in the editor changes from recording each typed character to the system default way. If you like the original way, you can check it in "Settings - General Settings".
* Bug fixes and improvements.
One Markdown version 1.4.9
Updated At: 2024-05-30
Changes: May 30, 2024
Version 1.4.9
* Improvement: When exporting a Markdown document as an image, you can choose whether to add a border or not, and you can also choose 4 different image sizes. The exported images also become very beautiful.
* Bug fixes and improvements.
Disclaimer
Official App Store Link
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