How to add language hints to untagged code fences
- Step 1Drop a long doc — Upload your technical doc with mixed tagged/untagged code blocks.
- Step 2Process — Click Run — every untagged block gets a language hint.
- Step 3Verify — Spot-check a few blocks to confirm correct detection.
Frequently asked questions
How accurate is detection?+
High accuracy for common languages. Lower for short snippets.
Can I disable detection for some blocks?+
Use a non-fenced code block (4-space indent) — those are skipped.
What about plaintext output?+
Use the explicit `text` or `plaintext` hint manually before running.
Privacy first
All Markdown processing runs locally in your browser using JavaScript. No file is ever uploaded to JAD Apps servers — only metadata counters are saved for signed-in dashboard stats.