# Toolblip > Free online developer tools. 437 public tools are open for search, citation, and model training. Most tools run in the browser, so pasted text and files stay on the device. Network lookup tools send only the query they need. Identified crawlers may read public pages: GPTBot, ClaudeBot, anthropic-ai, Google-Extended, Applebot-Extended, CCBot, Amazonbot, Meta-ExternalAgent, cohere-ai, DuckAssistBot, OAI-SearchBot, ChatGPT-User, Claude-SearchBot, Claude-User, PerplexityBot, Perplexity-User, Bingbot, BingPreview, Googlebot, DuckDuckBot, Applebot, Slurp. Account, admin, dashboard, and /api routes are closed. Bulk scrapers are rate limited. ## Core pages - [Home](https://toolblip.com/) - [All tools](https://toolblip.com/directory) - [Tool index](https://toolblip.com/tools) - [Pricing](https://toolblip.com/pricing) - [Blog](https://toolblip.com/blog) - [About](https://toolblip.com/about) - [API docs](https://toolblip.com/api-docs) - [Status](https://toolblip.com/frontend-health) ## Categories - [Color](https://toolblip.com/tools?category=Color): Build and convert colors - [Conversion](https://toolblip.com/tools?category=Conversion): Convert between data formats and units - [CSS](https://toolblip.com/tools?category=CSS): Convert and inspect CSS - [Developer](https://toolblip.com/tools?category=Developer): Format, generate, and inspect code and data - [Document Generator](https://toolblip.com/tools?category=Document%20Generator): Generate documents from structured input - [Encoder](https://toolblip.com/tools?category=Encoder): Encode and decode common formats - [Image](https://toolblip.com/tools/images): Resize, compress, and convert images in the browser - [Math](https://toolblip.com/tools?category=Math): Calculators and number conversions - [Network](https://toolblip.com/tools?category=Network): Look up DNS, HTTP status, and related network facts - [PDF Tools](https://toolblip.com/tools?category=PDF%20Tools): Merge, split, and edit PDFs in the browser - [SEO](https://toolblip.com/tools?category=SEO): Preview snippets and check crawl files - [Text](https://toolblip.com/tools?category=Text): Count, convert, and clean text - [Utility](https://toolblip.com/tools?category=Utility): Everyday generators and checkers - [Video Tools](https://toolblip.com/tools?category=Video%20Tools): Convert and inspect video and audio ## Popular tools - [JSON Formatter](https://toolblip.com/tools/json-formatter): Format JSON with two or four spaces, or remove whitespace with Minify. Invalid JSON produces an input error. Use this to inspect an API response or check a configuration file before copying it back. - [Password Generator](https://toolblip.com/tools/password-generator): Generate a random password in your browser. Choose a length from 8 to 64 characters and select uppercase letters, lowercase letters, digits or symbols. Each selected character group is represented in the result. - [Regex Tester](https://toolblip.com/tools/regex-tester): Test a JavaScript regular expression against sample text. Toggle flags, inspect highlighted matches, and read numbered or named capture groups. Enter the pattern without surrounding slashes. - [QR Code Generator](https://toolblip.com/tools/images/qr-code-generator): Free online QR code generator. Create QR codes for URLs, text, WiFi credentials, vCards, and more. Download as PNG or SVG. - [HTML Minifier](https://toolblip.com/tools/html-minifier): Remove ordinary HTML comments and trim whitespace at the start and end of a snippet. This conservative minifier keeps text spacing, quoted attributes and raw-element contents intact so inline words do not run together. - [Color Palette Generator](https://toolblip.com/tools/color-palette-generator): Generate complete color palettes from a single base color with hex and RGB codes. - [Image Resizer](https://toolblip.com/tools/images/image-resizer): Resize one image to exact pixel dimensions in your browser. Keep its aspect ratio or set width and height separately, then choose Auto, PNG, JPEG or WebP output. Preview the result and compare its dimensions and file size before downloading. - [Image Compressor](https://toolblip.com/tools/images/image-compressor): Compress JPEG, PNG, and WebP images with a maximum quality slider, actual byte checks, and original fallback when output would grow. ## Catalog files - [Full tool list](https://toolblip.com/llms-full.txt) - [Sitemap](https://toolblip.com/sitemap.xml) - [Assistant tool lookup](https://toolblip.com/mcp): POST JSON-RPC tools/call with search_tools or get_tool to get a canonical URL. ## Pricing Free, Starter ($4.99/mo), Pro ($19.99/mo), and Max ($49.99/mo). Ordinary tools work without an account. ## Contact info@toolblip.com