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Free AI Tools for Developers
Ten focused, single-purpose tools for prepping LLM context, writing better prompts, planning agent architectures, and shipping AI safely. Built by the AgentSwarms team.
Data & Context
URL to LLM-Ready Markdown Converter
Strip a webpage to clean Markdown for AI context.
Open toolRAG Document Chunking Visualizer
See how text splits for vector search before you embed it.
Open toolGraphRAG Knowledge Triplet Extractor
Turn paragraphs into a knowledge graph of entity → relationship → entity.
Open toolSynthetic RAG Evaluation Dataset Generator
Auto-generate Q&A pairs to evaluate your RAG pipeline.
Open toolSemantic Chunking Visualizer
See where sentences actually belong — not just every N tokens.
Open toolPrompting & Guardrails
LLM-as-a-Judge Prompt Builder
Generate a strict evaluator prompt for grading AI output.
Open toolText-to-JSON Schema Prompt Enforcer
Force any LLM to return valid JSON matching your schema.
Open toolAI Intent Router Logic Tester
Route user messages to the right specialist agent.
Open toolLLM Tool-Calling JSON Schema Generator
Turn a Python function or API spec into strict function-calling JSON.
Open toolReAct Agent Prompt Builder
Wrap your goal in a battle-tested Thought → Action → Observation loop.
Open toolArchitecture & Cost
Security & Local
Prompt Injection Vulnerability Tester
Run five classic jailbreaks against your system prompt.
Open toolCSV-to-SQL Generator (Browser-Local)
Chat with a CSV — generate SQL and run it without uploading.
Open toolPII Redaction Prompt Generator
Strip names, emails, SSNs before sending text to any AI.
Open tool