Free tool / RAG Chunk Tester

RAG Chunk Tester

Split real source text, ask a representative question and inspect which chunks a deterministic local retriever ranks highest.

Current status: Live
Test retrieval before embeddings

Available now

Split real source text, ask a representative question and inspect which chunks a deterministic local retriever ranks highest.

Open the free tool
Bring
Representative source text, chunk settings and a real user question.
You get
Ranked lexical matches, overlap metrics, warnings and JSONL chunks.
Know the limit
Local lexical ranking is diagnostic and does not prove production embedding performance.
Local by default

The five file and AI engineering tools run in your browser without an account, provider call or analytics. The workflow map can optionally hand a result to the project form only when you choose.

Use it for

Finding obvious chunk boundaries, overlap waste and retrieval misses before paying for embeddings or a vector database.

How it works

The browser creates chunks with your selected strategy and ranks them with a transparent BM25-style lexical retriever.

Example workflow

Load an approved handbook, ask a real support question and check whether the expected passage appears in the top three results.

Common questions
Does my input leave the browser?
The five file and AI engineering tools run in your browser without an account, provider call or analytics. The workflow map can optionally hand a result to the project form only when you choose.
Does the result prove the system is ready?
Local lexical ranking is diagnostic and does not prove production embedding performance.