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Tachi Code by David Septimus

A fully configurable lightweight code editor integrated right into your browser to supercharge your productivity!

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Get realtime validation and LSP-based autocompletion for TypeScript filesEdit and read Markdown with our beautiful Markdown live preview featureBuild out Mermaid diagrams with confidence using live previewCompare files and snippets using the diff viewerChoose from a growing library of themesOpen snippets in Tachi Code using the context menu integration
About this extension
A fully configurable lightweight code editor integrated right into your browser to supercharge your productivity!

Tachi Code automatically detects when you're viewing a raw source file and automatically open in it in a fully featured editor and integrates right into your browser's context menu, so you can edit snippets or even compare text in a flash!

Features
- Syntax highlighting for 150+ languages.
- Intellisense and validation for TypeScript, JavaScript, CSS, JSON, and YAML
- Live preview for Markdown, Mermaid, and SVG files
- Automatic source file detection
- Context menu integration
- Edit and save files to your local device
- Compare files and text snippets with a built-in diff viewer
- Fully configurable
- Choose from a growing library of themes
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Permissions and dataLearn more

Required permissions:

  • Get data from the clipboard
  • Input data to the clipboard
  • Block content on any page
  • Access your data for all web sites

Optional permissions:

  • Access your data for all web sites
More information
Add-on Links
Version
1.2.0
Size
10.92 MB
Last updated
20 hours ago (10 Jul 2025)
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Licence
All Rights Reserved
Version History
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Release notes for 1.2.0
Highlights:
- Full Mermaid diagram support with syntax highlighting for all diagram types
- Export functionality for SVG files and Mermaid diagrams as PNG/SVG
- New help commands for quick access to documentation and version information
- Enhanced language highlighting with updated token colors and improved performance
- UI improvements including better command palette layout and problem pane navigation

Fixes:
- Fixed problems pane showing no problems after closing a tab.
- Fixed custom general (non-language-specific) token customizations not being applied to the editor.
- Fixed token customizations not being applied to markdown preview codeblocks.
- Fixed an issue where Monaco's built-in Monarch tokenizer sometimes overrode our Shiki tokenizer,
resulting in sporadic incorrect syntax highlighting.
- Fixed an issue where the bracket highlighting settings were not being applied.

Read the full release notes at https://tachicode.com/whatsnew/.
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