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Build smarter with utilities designed for developers, SEO specialists, designers, and business owners. Runs entirely inside your browser — your data never leaves your device.
Calculate, compare, and optimize token costs and API pricing across OpenAI, Anthropic Claude, DeepSeek, Google Gemini, and custom AI agent loops with 100% browser privacy.
Build system prompts, CLAUDE.md guidelines, and .claude.json MCP permission rules for Claude Code CLI and Anthropic models with 100% browser privacy.
Parse stdio/SSE log streams, trace tool execution latency, debug JSON-RPC 2.0 protocol errors, and auto-mask secrets for Claude, Cursor, and WebMCP servers with 100% browser privacy.
Automate protocol assertion tests, benchmark latency, and validate JSON-RPC 2.0 schemas for Claude, Cursor, and WebMCP servers with 100% browser-local privacy.
Inspect, validate, debug, and sanitize Model Context Protocol (MCP) JSON-RPC 2.0 messages for Claude, Cursor, and WebMCP with 100% browser-local privacy.
Validate, debug, and auto-repair raw LLM completion JSON outputs against JSON Schema and Zod rules with 100% browser privacy.
Generate realistic JSON mock data payloads and synthetic fixtures from JSON Schema, Zod, and TypeScript definitions with 100% browser privacy.
Convert GraphQL SDL schemas (types, inputs, enums, unions) into static TypeScript interfaces and runtime Zod validation schemas with 100% browser-local privacy.
Convert TypeScript interface definitions and Zod schemas into W3C JSON Schema (Draft 7 / 2020-12) with 100% browser-local privacy.
Convert OpenAPI v2/v3/v3.1 JSON or YAML specs into clean TypeScript interfaces, Zod schemas, and fetch API client helpers locally in browser memory.
Paste a JSON Schema spec (Draft 4/7/2020-12 with $ref, enums, required) and get TypeScript interfaces and Zod schemas. 100% browser-local.
Compare text, code, and JSON with line-by-line, word-level, side-by-side split, and unified diff output and patch generation.
Convert SQL CREATE TABLE statements into clean TypeScript interfaces, type aliases, and Zod schemas with 100% browser privacy.
Paste sample JSON or an API response and auto-infer TypeScript interfaces and Zod schemas. No schema needed. 100% browser-local.
Build, validate, test, and convert JSON schema function calling & tool definitions for OpenAI, Claude, LangChain, and DeepSeek with 100% browser privacy.
Build, structure, and optimize AI system prompts for Claude, OpenAI, DeepSeek & Gemini
Count tokens, estimate prompt API costs, and analyze context window limits for GPT-4o, Claude 3.5/3.7, DeepSeek, Gemini, and Llama with 100% browser-local privacy.
Detect prompt injection, jailbreaks, system prompt leaks, PII, and API key exposure in AI prompts and MCP context with 100% browser privacy.
Build, configure, and register browser-local Model Context Protocol (WebMCP) tools for in-browser AI agents
Convert OpenAPI / Swagger specs into Model Context Protocol (MCP) tool definitions & server code
Build, validate, sanitize, and export MCP server configs for Claude Desktop, Cursor, and Zed with 100% browser-local privacy.
First-party crawlability and clarity audit for AI search readiness — robots, sitemap, Organization schema, and page structure.
Compress, clean, sanitize, and minify SVG vector graphics online with 100% browser-local privacy.
Resize, crop, and scale JPEG, PNG, WebP, and AVIF images online with 100% browser-local privacy.
Compress, resize, and convert JPEG, PNG, WebP, and AVIF images online with 100% client-side privacy.
Format, beautify, validate, repair, and minify JSON online with 100% client-side privacy.
Validate, format, lint, and convert YAML to JSON and vice versa online with 100% browser-local privacy.
Decode, inspect, and debug JSON Web Tokens online with 100% browser-local privacy.
Encode and decode text, binary files, and images to Base64/Base64URL with 100% browser privacy.
Encode and decode URLs, query parameters, and special characters with 100% browser-local privacy.
Generate, format, and inspect UUID v4, UUID v7, and ULID identifiers online with 100% browser-local privacy.
Generate, test, and preview SEO meta tags, Open Graph, Twitter cards, and AI bot rules with 100% browser privacy.
Generate, validate, and test robots.txt files with AI crawler controls and 100% browser privacy.
Generate, validate, and format XML sitemaps with image & hreflang extensions and 100% browser privacy.
Generate, test, and validate rich JSON-LD structured data with 100% browser-local privacy.
Format, beautify, validate, and minify SQL queries online with 100% browser-local privacy.
Write, preview, convert, and format Markdown online with live HTML preview and 100% browser privacy.
Test, debug, explain, and highlight regular expressions online with 100% browser privacy.
Generate, decode, explain, and validate Unix crontab & Quartz schedules online with 100% browser privacy.
Convert Unix epoch timestamps to human-readable dates and vice versa with 100% browser privacy.
Search, decode, test, and troubleshoot HTTP status codes & REST API responses with 100% browser privacy.
Format, beautify, validate, minify, and clean up CSS stylesheet code online with 100% browser-local privacy.
Format, beautify, sanitize, minify, and inspect HTML online with 100% browser-local privacy.
Generate, test, and preview Open Graph and Twitter card meta tags with 100% browser privacy.
Generate, test, and normalize canonical tags, trailing slashes, tracking query parameters, and HTTP canonical headers with 100% browser privacy.
Build, validate, format, and generate Google Analytics (GA4) UTM campaign links with 100% browser-local privacy.
Generate clean, SEO-friendly URL slugs, strip accents, and clean text online with 100% browser-local privacy.
Build, format, convert, and edit Markdown tables online with CSV/JSON import and 100% browser-local privacy.
Count words, characters, sentences, reading time, and analyze keyword density online with 100% browser privacy.
Convert cURL commands to JavaScript, Python, Node.js, Go, PHP, Rust, C#, and Java with 100% browser-local privacy.
Create, edit, import and export Mermaid diagrams directly in your browser.
Generate, optimize, and harden Nginx server blocks for Next.js, Node, PHP-FPM, SSL/TLS & reverse proxy with 100% browser-local privacy.
Build, optimize, and security-harden Dockerfiles and docker-compose.yml for Next.js, Node, Python, Go & MCP servers with 100% browser-local privacy.
Build, format, lint, and export standard /llms.txt files for AI models & GEO crawlers.
Twelve questions on data, systems, process, team, and risk — with tiered next steps.
Pull LCP, INP, CLS and related metrics with plain-language explanations.
Draft five meta descriptions from your page summary — review before publishing.
Describe your business — get five practical AI automation ideas to review.
HiMat Technologies builds agentic AI systems, scalable SaaS platforms, and modern web applications for ambitious founders and enterprises.