Compress markdown context files to reduce token usage with AI assistants.
Reduce the size of your CLAUDE.md, COPILOT.md, and other context files while preserving meaning. Save tokens and money when working with AI coding assistants.
- 🔍 Preview Changes — See a diff before applying compression
- 📄 Compress Single File — Right-click any
.mdfile or use the command palette - 📁 Compress Workspace — Process all markdown files at once
- 🔄 Easy Restore — Automatic backups let you restore anytime
- ⚡ Quick Settings — Fast access with
Cmd+Shift+,(Mac) /Ctrl+Shift+,(Windows)
- Install the extension
- Open Command Palette (
Cmd+Shift+P) - Run
Compresr: Set API Key - Get your free API key at compresr.ai
- Open a markdown file and run
Compresr: Quick Settings ⚡
Press Cmd+Shift+, (Mac) or Ctrl+Shift+, (Windows) to open the quick menu:
| Option | Description |
|---|---|
| Compress This File | Compress current file with preview |
| Compress All Markdown Files | Process entire workspace |
| Model | Select compression model |
| Compression Ratio | Set target size (10% = max, 90% = light) |
| API Key | Configure your credentials |
| Ratio | Description |
|---|---|
| 10-20% | Aggressive — smallest size, may lose detail |
| 30-40% | Strong — good balance |
| 50-60% | Moderate — preserves most content |
| 70-90% | Light — minimal changes |
When you compress a file, Compresr shows a side-by-side diff. Review the changes, then:
- ✓ Apply Changes — Save the compressed version
- ✗ Discard — Keep the original
Backups are automatically created as .bak files.
| Setting | Default | Description |
|---|---|---|
compresr.apiKey |
"" |
Your API key from compresr.ai |
compresr.compressionRatio |
0.3 |
Target size (0.3 = 30% of original) |
compresr.modelName |
cmprsr_v1 |
Compression model |
compresr.createBackups |
true |
Create .bak files before compressing |
| Command | Mac | Windows/Linux |
|---|---|---|
| Quick Settings | Cmd+Shift+, |
Ctrl+Shift+, |
| Compress File | Cmd+Shift+C |
Ctrl+Shift+C |
When you compress a file, Compresr sends the file content to our API (api.compresr.ai) for processing. Here's what you should know:
| Aspect | Details |
|---|---|
| Data Sent | Only the content of files you explicitly compress |
| API Key | Required for authentication; stored locally in VS Code settings |
| Backups | Created locally on your machine (.bak files) |
We do not:
- Share data with third parties
For full details, see our Privacy Policy.
MIT © Compresr
The extension source code is open source under the MIT license. The Compresr API service is provided under separate Terms of Service.