Useful tools and websites for developersbuilders
Browse a tightly edited directory of products, workflows, and references for makers. Run focused utilities when you need a fast answer.
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Browse all →Codeown
· CommunityThe raw workshop for builders.
Seo Site Auditor
· UtilitiesTom's Site Auditor — Offline website health scanner for Windows. Crawl any site, detect SEO issues, generate portable HTML reports. No cloud, no subscriptions.
pairUP.chat
· UtilitiesMeet New People Through Real-Time Video Conversations
LaunchChair
· ProductivityFrom messy idea to market-informed MVP, without writing prompts.
InstaIdea
· UtilitiesFree browser mini games, developer tools, and everyday utilities.
Article Banner Generator
· CreativeFree OG Image & Blog Cover Creator
Our tools
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GEO & LLM Site Analyzer
· SEOCheck if your website is optimized for AI search engines like ChatGPT and Perplexity (checks llms.txt, robots.txt, and schema).
Complete Meta Check
· SEORun one complete check for metadata, canonical tags, robots.txt, and sitemap signals.
URL Parameter Generator
· MarketingBuild clean tracked links with UTM parameters for campaigns, newsletters, ads, and social posts.
JSON Formatter & Validator
· DeveloperClean, format, and validate messy JSON data instantly. All processing is done locally in your browser for privacy.
JSON Schema Generator
· DeveloperConvert JSON data into a valid JSON Schema instantly. Perfect for defining structured outputs for AI agents, LLMs, and API documentation.
Universal File Converter
· DeveloperConvert images, data, and documents between formats locally in your browser. Supports WebP, PNG, JPG, JSON, CSV, and more with 100% privacy.