Syntax highlighting, real-time validation, hover tooltips, and interactive previews for 25 genomics, transcriptomics, and proteomics file formats in VS Code.
- Syntax highlighting for all 25 formats
- Real-time diagnostics as you edit
- Hover tooltips for VCF INFO/FORMAT field definitions
- Interactive previews — virtualized tables with search, filters, and TSV export, handling 200K+ rows
With validation: VCF, SAM, BED, BEDPE, GTF, GFF3, PSL, PAF, WIG, bedGraph, narrowPeak, broadPeak
Preview only: MAF (alignment), MAF (mutation), GenBank, MTX, mzTab, MGF, Chain, Net, GFA, PED, MAP, GCT
Search BioFmt in the VS Code Extensions panel (Ctrl+Shift+X / Cmd+Shift+X) and click Install.
Open any supported file, then click the preview icon in the editor title bar (or run BioFmt: Open Preview from the Command Palette). In VCF files, hover over INFO or FORMAT keys in a data row to see their definitions.
| Setting | Default | Description |
|---|---|---|
biofmt.preview.maxLines |
200,000 | Max lines loaded in preview |
biofmt.preview.maxBytes |
50 MB | Max file size for preview |
biofmt.preview.sampleColumnLimit |
10 | VCF sample columns shown initially |
biofmt.validation.level |
basic |
off / basic / strict |
VS Code 1.85.0 or higher.
GPL-3.0 — see LICENSE.
See CHANGELOG.