AI Tools
Developer tools for LLM workflows: assemble files and folders into a single context block for Claude or ChatGPT, manage reusable prompt templates with variables, and chunk Markdown or text for RAG retrieval. Everything runs locally in your browser — no API keys, no uploads, no AI calls.
33 free tools — no ads, no sign-up, everything runs in your browser.
Agent Tool Flowchart Builder
Design agentic tool-call DAGs with decision branches and bounded loops. Validates reachability, cycle handling, and emits clean Mermaid flowcharts — fully in your browser.
AI Agent Memory & Buffer Simulator
Compare sliding window, summary buffer, and vector memory strategies
AI API Client SDK Generator
Generate typed API client SDK files from OpenAPI specifications or cURL requests
AI Code Explainer
Explain code snippets with grounded cloud AI
AI Code Security Auditor
Scan source code for high-confidence OWASP Top 10 vulnerabilities
AI Code Translator
Translate code into idiomatic implementations in another language
AI Commit Message Generator
Suggest Conventional Commits messages from a git diff using on-device WebLLM
AI Database Schema & ER Architect
Design normalized database schemas and ER diagrams from a project domain description
AI Design Pattern Refactor
Convert legacy code into a modular design-pattern architecture
AI Documentation Generator
Generate validated JSDoc/TSDoc blocks with cloud AI
AI E2E Test Builder
Build resilient Playwright or Cypress end-to-end tests from user journeys
AI JSON Type Inferencer
Infer TypeScript interfaces and matching Zod schemas from raw JSON.
AI Mermaid Diagram Generator
Turn architecture descriptions into valid Mermaid diagrams
AI Regex Generator
Turn natural language into a regex pattern with cloud AI
AI Shell Command Builder
Generate safe, explained shell commands for common operating systems and shells
AI SQL Query Generator
Generate SQL from natural language with cloud AI and sql-formatter output
AI Token Boundary Colorizer
Visualize BPE token boundaries with deterministic colors and token statistics. Supports o200k_base and cl100k_base tokenizers — runs entirely in your browser.
AI Unit Test & Mock Generator
Generate framework-specific unit tests and dependency mocks from source code
AI Vision UI to Code
Convert a UI screenshot into faithful, responsive frontend code
Context Assembler
Combine files and folders into one LLM-ready context block with XML tags, a project tree, ignore filters and a token estimate — like repomix or files-to-prompt, in your browser.
Fine-tune JSONL Validator
Validate OpenAI and Anthropic chat fine-tuning JSONL datasets
LLM Benchmarks
Compare LLM coding, reasoning, speed and cost benchmarks side-by-side and get a task-specific model recommendation
LLM Guardrails & PII Redactor
Build deterministic client-side PII detection and redaction rules
LLM Maliyet ve Bütçe Tahminleyici
Çoklu LLM modeli için cache etkili günlük ve aylık maliyeti hesaplayın
LLM Token Counter
Visualize BPE tokens with color blocks, model selector, and per-request cost estimate
Needle-in-a-Haystack Generator
Generate deterministic context-window retrieval tests
Prompt Diff Comparator
Compare prompt versions and expected A/B outputs locally
Prompt Template Builder
Write reusable prompt templates with {{variables}}, auto-fill the values, and copy the compiled prompt. Save your library of prompts locally — no AI calls, everything in your browser.
RAG Chunking & Overlap Visualizer
Visualize RAG document chunking and overlap
RAG Text Chunker
Split Markdown or plain text into LLM-friendly chunks by headings, words or characters with configurable overlap and metadata. Prep documents for RAG — all in your browser.
SSML Markup Builder
Build and validate SSML text-to-speech markup
System Prompt Compressor
Trim safe filler and normalize system prompts
Token Cost Calculator
Compare LLM API costs across models with cache, batch, reasoning and traffic simulation — count tokens with a real tokenizer, refresh prices live, and export CSV/JSON/Markdown