Dev Theme Pro
One install. Six daily tools: a polished dark theme, Markdown preview, Mermaid support, table tools, export workflows, and shareable code snapshots.
Dev Theme Pro is built for people who want their workspace to look better and do more without stitching together a pile of separate extensions.
| Tool |
What you get |
| Theme |
Six tuned dark variants with cleaner syntax contrast and a consistent workbench accent |
| Markdown Preview |
A styled reading view with headings, code blocks, tables, task lists, and TOC support |
| Mermaid Diagrams |
In-preview rendering with quick copy/export actions and reliable PDF output |
| Table Preview |
CSV, TSV, PSV, DSV, SSV, and TAB files with sorting, filtering, resize, and export |
| Export Tools |
HTML, PDF, and PNG flows that keep the Dev Theme Pro look instead of falling back to generic output |
| Code Snapshot |
A live snapshot panel for clean, theme-matched images you can share in seconds |
Why People Keep It Installed
- It replaces extension clutter — theme, document preview, Mermaid workflow, table inspection, and snapshots all live in one package
- Previews follow your active variant — Ocean, Nebula, and Solar stay in sync across Markdown, tables, diagrams, and snapshots
- The UI is built for real work — table filtering, Mermaid copy/export, and PDF output are part of the daily workflow, not afterthoughts
- Shared output looks deliberate — exported docs, diagrams, tables, and snapshots keep the same visual system as the editor
Theme Variants
Dev Theme Pro ships with six variants:
- Ocean Mist — blue accent on the lighter dark base
- Nebula Mist — purple accent on the lighter dark base
- Solar Mist — warm gold accent on the lighter dark base
- Ocean Void — blue accent on the deepest base
- Nebula Void — purple accent on the deepest base
- Solar Void — warm gold accent on the deepest base
If you want the fastest default: Mist is the easier long-session pick, while Void is the denser, deeper canvas.
Installation
- Open Extensions in VS Code (
Ctrl+Shift+X / Cmd+Shift+X)
- Search for Dev Theme Pro
- Click Install
- Open File → Preferences → Color Theme and choose your variant
Markdown + Mermaid
Open any Markdown file in a reading view that feels like part of the theme instead of a generic browser page.
| Action |
How |
| Preview to the side |
Click the preview button in the editor title bar, or press Cmd+K V / Ctrl+K V |
| Preview in the current editor |
Click the render button in the title bar, or press Cmd+K Cmd+V / Ctrl+K Ctrl+V |
| Open With picker |
Right-click the file in the Explorer and choose Open With… → 🔮 Dev Theme Pro Markdown Preview |
| Right-click shortcut |
Right-click the file in the Explorer or the editor tab and choose 🔮 Open With Dev Theme Pro Preview |
What you get:
- Theme-matched reading layout — headings, code blocks, tables, and long-form text feel native to the active variant
- Mermaid built in — diagrams render in preview and can be copied or exported directly from the panel
- Better export output — HTML and PDF keep the same look, with Mermaid diagrams included in the final file
- Table of contents sidebar — jump through large docs without losing your place
- Presentation mode — turn heading sections into slides for demos or walkthroughs
PDF and image export use Chrome or Chromium automatically. If VS Code cannot find it, set devThemePro.chromePath in Settings.
Table Preview
Open delimited files in a proper inspection view instead of scanning raw rows.
Supported files: .csv, .tsv, .psv, .dsv, .ssv, .tab
| Action |
How |
| Preview to the side |
Click the table preview button in the editor title bar, or press Cmd+K V / Ctrl+K V |
| Preview in place |
Use Cmd+K Cmd+V / Ctrl+K Ctrl+V on a supported data file |
| Open With picker |
Right-click the file in the Explorer and choose Open With… → 🔮 Dev Theme Pro Table Preview |
| Right-click shortcut |
Right-click the file in the Explorer or the editor tab and choose 🔮 Open With Dev Theme Pro Table Preview |
What you get:
- Sorting — click any column header to sort ascending or descending
- Filtering — search large datasets instantly
- Column resize — fit the view around the data you care about
- Row numbers — keep references stable while reviewing larger files
- Built-in column text coloring — structured text is easier to scan directly in the editor
- Export options — save the table as PDF, PNG, or standalone HTML
Code Snapshot
Create a clean, shareable image from your code without leaving VS Code.
- Open any code file.
- Select the lines you want to capture.
- Press
Cmd+Shift+S / Ctrl+Shift+S, or use 🔮 Dev Theme Pro → 📸 Code Snapshot from the editor context menu.
- Review the live preview in the side panel.
- Copy or save the final PNG.
If nothing is selected, the snapshot panel opens with a clear prompt instead of grabbing the whole file automatically.
Commands
| Command |
Mac |
Windows / Linux |
| Open Markdown Preview (side) |
Cmd+K V |
Ctrl+K V |
| Open Markdown Preview (in-place) |
Cmd+K Cmd+V |
Ctrl+K Ctrl+V |
| Open Table Preview (side) |
Cmd+K V |
Ctrl+K V |
| Open Table Preview (in-place) |
Cmd+K Cmd+V |
Ctrl+K Ctrl+V |
| Code Snapshot |
Cmd+Shift+S |
Ctrl+Shift+S |
All commands are also available in the Command Palette. Search for Dev Theme Pro.
All preview and export actions are grouped under one 🔮 Dev Theme Pro submenu in the editor context menu.
- Markdown files — open preview, export PDF, export HTML
- Delimited files — open table preview, export PNG, export HTML
- Code files — open the snapshot workflow
Matching Open With… entries are also available from the Explorer and editor tabs.
Settings
| Setting |
Type |
Default |
Description |
devThemePro.chromePath |
string |
"" |
Path to Chrome or Chromium for PDF and image export. Leave empty for auto-detection. |
Screenshot

Changelog
See CHANGELOG.md for release notes.
Issues & Suggestions
Found something off or want another feature?
→ Open an issue on GitHub
Author
Faizan Ashiq — LinkedIn · GitHub
License
MIT © 2025–2026 Faizan Ashiq — Full License
If Dev Theme Pro is part of your daily setup, a review on the VS Code Marketplace helps a lot.