11:11
2026-08-19
dev.to
large-language-models
Building a Vertical Corpus Builder: Clean JSONL Datasets for LLM Fine-Tuning
A developer built a vertical corpus builder that crawls seed URLs, strips boilerplate, dedupes, and chunks content into token-aware JSONL datasets for LLM fine-tuning. The tool, published on Apify Sto…