Toolsmith
A quiet bench for exact work.
Ten instruments for AI search, previews, tokens, and the files a Next.js deploy needs. Generators stay in the browser. Checkers fetch only the public URL you submit.
Press ⌘K anywhere to jump to a tool.
On the bench
llms.txt generatorstableAI searchRead a public sitemap and write an llms.txt index, plus an optional llms-full.txt.
Open instrument
AI SEO checkerstableAI searchScore crawler access, llms.txt, structured data, and the on-page signals AI search uses.
Open instrument
OG image generatorstableSocial previewsCompose a 1200×630 card, watch it update, then download the PNG or copy the Next.js file.
Open instrument
JWT decoderstableAuth debuggingPaste a JSON Web Token, read the claims, and verify the signature in the browser.
Open instrumentNew
robots.txt checkernewAI searchRead allow and disallow rules, sitemap links, and the mistakes that make a robots.txt file lie.
Open instrument
Meta tags inspectornewSocial previewsRead title, description, canonical, robots, Open Graph, Twitter, and JSON-LD types from one public URL.
Open instrument
JSON-LD schema generatornewSEOFill a form, get valid schema.org JSON-LD for Article, FAQ, Product, Organization, and more.
Open instrument
AI token counternewAI devCount tokens and estimate the API cost of a prompt for GPT, Claude, and Gemini models.
Open instrument
Cron expression buildernewDeveloperBuild or paste a cron schedule, read it in plain English, and see the next run times.
Open instrument
Next.js Dockerfile generatornewNext.jsGenerate a production multi-stage Dockerfile for Next.js, plus .dockerignore and compose.
Open instrumentAll instruments
10
llms.txt generatorstableAI searchRead a public sitemap and write an llms.txt index, plus an optional llms-full.txt.
Open instrumentAI SEO checkerstableAI searchScore crawler access, llms.txt, structured data, and the on-page signals AI search uses.
Open instrumentOG image generatorstableSocial previewsCompose a 1200×630 card, watch it update, then download the PNG or copy the Next.js file.
Open instrumentJWT decoderstableAuth debuggingPaste a JSON Web Token, read the claims, and verify the signature in the browser.
Open instrumentrobots.txt checkernewAI searchRead allow and disallow rules, sitemap links, and the mistakes that make a robots.txt file lie.
Open instrumentMeta tags inspectornewSocial previewsRead title, description, canonical, robots, Open Graph, Twitter, and JSON-LD types from one public URL.
Open instrumentJSON-LD schema generatornewSEOFill a form, get valid schema.org JSON-LD for Article, FAQ, Product, Organization, and more.
Open instrumentAI token counternewAI devCount tokens and estimate the API cost of a prompt for GPT, Claude, and Gemini models.
Open instrumentCron expression buildernewDeveloperBuild or paste a cron schedule, read it in plain English, and see the next run times.
Open instrumentNext.js Dockerfile generatornewNext.jsGenerate a production multi-stage Dockerfile for Next.js, plus .dockerignore and compose.
Open instrument