How to heuristic language detection for code blocks
- Step 1Drop the article — Paste your tech article with code samples in untagged fences.
- Step 2Detect — Click Run — each block gets a heuristically-detected language.
- Step 3Review — Spot-check unusual blocks; manual override is straightforward.
Frequently asked questions
How does it handle pseudo-code?+
Pseudo-code rarely matches patterns, so it's left untagged.
What about regex blocks?+
Regex isn't detected. Tag as `regex` or leave untagged.
Can detection improve over time?+
Current rules are stable; future Pro updates may include user-trainable detection.
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.