RAG Text Chunking Tool with Overlap Preview
Splits source text into deterministic character, word, sentence, or Markdown-section chunks and previews boundaries, overlap, character counts, and approximate token counts before RAG embedding.
Runs locally in your browserSource document
Tune chunk boundaries before creating embeddings
Chunk size and overlap affect retrieval recall, context duplication and cost. This preview uses transparent heuristics; evaluate the resulting chunks against representative questions before production use.