Free tools
Small utilities we built because we wanted them ourselves. Everything here runs in your browser, needs no account, and costs nothing.
Image metadata viewer
See the EXIF, IPTC, XMP, and GPS data inside a photo, with a plain-English check of what it gives away about you.
Open the toolImage metadata editor
Edit a JPEG's title, keywords, copyright, location, and custom fields, or strip EXIF, IPTC, and XMP from a JPEG or PNG.
Open the toolDocument to markdown
Convert Word, PDF, PowerPoint, Excel, and nine more formats to clean markdown. Runs entirely in your browser, so files never leave your machine.
Open the toolAI crawler checker
Check whether ChatGPT, Perplexity, Claude, Google, and Bing can read a page: robots.txt, firewall blocks, JavaScript, and noindex.
Open the toolMCP server checker
Paste a remote MCP server URL and get a report card: transport, handshake, tools, OAuth metadata, CORS, speed, and error shapes.
Open the toolMCP token cost calculator
See how many tokens your MCP tool definitions add to every request, and what that costs per month by model.
Open the toolMCP server cost estimator
Enter your tools, login type, systems, and users. Get person-days and the prices published sources quote for that scope.
Open the toolAI model compare
Put 2 to 4 GPT, Claude, and Gemini models side by side: price, context window, retirement date, and your monthly cost.
Open the toolAI model picker
Pick the job, volume, and prompt length. Get three API models to test, each with a monthly cost and a test to run first.
Open the toolAI feature cost calculator
Pick summarise, extract, chat, or agent, enter users and a model, and see the GPT, Claude, or Gemini cost per user per month.
Open the toolAI SaaS margin calculator
Cost per user, gross margin per plan, and break-even usage for an AI product, with token prices and Stripe fees.
Open the toolAI SaaS launch checklist
The checks to pass before an AI SaaS goes live: spend limits, abuse, prompt injection, evals, and billing. Download as markdown.
Open the toolOpen-weight break-even calculator
Compare a closed API, a hosted open-weight API, and a rented GPU by monthly tokens, and see where each one becomes cheaper.
Open the toolVoice agent cost calculator
Pick a platform, speech-to-text, model, voice, and phone line. See the cost per minute and per month for an AI phone agent.
Open the toolApp Store and Google Play fee calculator
What Apple and Google take from your app revenue under the 2026 rules, by region, program, and sale type.
Open the toolMobile build cost calculator
Monthly iOS and Android build cost on EAS, Codemagic, Bitrise, and GitHub Actions, with 2026 prices, every one sourced.
Open the toolHosting cost calculator
Enter requests, bandwidth, and CPU time. See the monthly bill on Vercel, Cloudflare Workers, Railway, and a VPS.
Open the toolOffshore team true-cost calculator
Add fees, management time, rework, and ramp-up to an offshore hourly rate, and compare two quotes by cost per productive hour.
Open the toolSoftware quote checker
Tick what your software quote covers: scope, changes, payments, hosting, QA, handover, and IP. See the gaps and the questions to send.
Open the toolPOS cost calculator
Enter stores, registers, and card sales to see the 3-year cost of Square, Shopify POS, Lightspeed, Odoo, or a custom POS.
Open the toolSpreadsheet-to-app readiness score
Ten questions tell you whether your spreadsheet should become software yet, and which part to build first.
Open the toolRedirect map builder
Paste old and new URL lists, fix the suggested matches, and export a 301 CSV for Shopify, Cloudflare, Netlify, or Vercel.
Open the toolBarcode label generator
Make Code 128, EAN-13, UPC-A, and QR labels and print them on Avery sheets or a label printer.
Open the toolThis list grows as we build more. If there's a small tool you wish existed, tell us and we might build it.
Got something to build?
Tell us what you need. An engineer replies, not a sales team.