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Built for ourselves first — then opened up. 50 tools and counting, all running on the same stack we use for client work. Your data stays in your browser.
Featured
Estimate monthly cost across GPT-4o, Claude, Gemini, and open models.
Open the tool →AIPaste any text and see token counts for GPT, Claude, Gemini, and Llama.
Open the tool →AI10 questions. A score, a roadmap, and the next three things to ship.
Open the tool →AI
Estimate monthly cost across GPT-4o, Claude, Gemini, and open models.
Open tool →Paste any text and see token counts for GPT, Claude, Gemini, and Llama.
Open tool →10 questions. A score, a roadmap, and the next three things to ship.
Open tool →Pick an industry and a department — get five concrete AI use cases.
Open tool →Side-by-side specs, cost, and context for GPT, Claude, Gemini, Llama.
Open tool →A guided wizard for production-grade system prompts.
Open tool →Build long-form prompts for Midjourney, DALL-E 3, and SDXL.
Open tool →Spot AI-shaped writing. Then rewrite it like a human would.
Open tool →Rewrite any prompt into a structured, model-friendly version.
Open tool →Multi-step workflow cost across embeddings, retrieval, and LLM.
Open tool →See how much fits in 8K, 128K, 200K, and 2M context windows.
Open tool →Live pricing across GPT, Claude, Gemini, Mistral, and Llama.
Open tool →Quantify the business case for an AI workflow in 60 seconds.
Open tool →Sketch a multi-step AI workflow and export a clean diagram.
Open tool →Writing
A clean writing canvas with improve / shorten / expand / rewrite.
Open tool →Score any headline on length, power words, sentiment, and clarity.
Open tool →Open-rate prediction and rewrite suggestions for cold or marketing email.
Open tool →Words, characters, sentences, paragraphs, reading + speaking time.
Open tool →Live, GitHub-flavored Markdown preview with copy-to-HTML.
Open tool →Flesch-Kincaid grade level + readability score for any text.
Open tool →SEO & Marketing
Turn any title into a clean, SEO-safe URL slug.
Open tool →Build campaign URLs with consistent UTM parameters every time.
Open tool →Build FAQ, Article, LocalBusiness, and Product structured data.
Open tool →See how a link will render on Facebook, LinkedIn, X, and Slack.
Open tool →Build a clean robots.txt with allow / disallow / sitemap rules.
Open tool →Tell AI crawlers what your site is and how it should be cited.
Open tool →Title, description, OpenGraph, Twitter — in one go.
Open tool →Paste URLs, get a clean, valid sitemap.xml in seconds.
Open tool →Paste JSON-LD. We validate the syntax and the schema.org types.
Open tool →Build hreflang annotations for international sites — without errors.
Open tool →Will your title get truncated? Pixel-perfect SERP preview.
Open tool →Find internal links to add next using topical overlap and gap detection.
Open tool →Detect pages competing for the same keywords — and fix the overlap.
Open tool →Classify keywords as informational, navigational, commercial, or transactional.
Open tool →Generate FAQ questions and People Also Ask variations for any topic.
Open tool →Compare two title + description variants as Google would render them.
Open tool →Generate redirect rules for Apache, Nginx, Next.js, and Netlify.
Open tool →Identify pages to prune, consolidate, or refresh based on age and traffic.
Open tool →Developer
Pretty-print, validate, and minify JSON. Inline error messages.
Open tool →Live regex matching with capture groups and flag toggles.
Open tool →Plain-English explanation of any cron expression + next 5 runs.
Open tool →Encode and decode Base64 and URL-encoded strings instantly.
Open tool →Paste a JSON Web Token and see the header, payload, and expiry.
Open tool →Side-by-side diff for any two text blobs. Word and line modes.
Open tool →Generate a unique URL, send it requests, inspect the payload.
Open tool →Design & Content
Fast image generation for ideas, mockups, and hero art.
Open tool →Pick two colors. See WCAG AA / AAA pass-fail at every text size.
Open tool →Convert between Hex, RGB, HSL, and OKLCH with a live swatch.
Open tool →Placeholder text in classic Lorem, startup, or corporate tone.
Open tool →Security
Need more than a tool?
Every tool here started as a thing we built for a client. If you want a private, on-brand version that lives inside your product or workflow — let's talk.