Tool library
Free tools for developer growth experiments.
Start with one focused task: launch copy, AI search visibility, checklist planning, landing page review, or pricing copy.
AI Search Visibility Checker
Check how your site appears in AI search results like ChatGPT, Perplexity, and Gemini.
AI search visibility checkerLaunchProduct Hunt Launch Copy Generator
Generate Product Hunt tagline, description, and first comment draft for your launch.
Product Hunt launch copy generatorCopywritingSaaS Pricing Page Copy Generator
Generate pricing page copy, plan names, feature bullets, and FAQ content for your SaaS.
SaaS pricing page copy generatorLaunchApp Launch Checklist Generator
Generate a custom launch checklist for your app based on your store type and target market.
app launch checklist generatorSEOLanding Page SEO Roast
Get a blunt SEO audit of your landing page — title tags, headings, content gaps, and more.
landing page SEO roastDeveloper UtilityRegex Tester
Test and debug regular expressions in real time with match highlighting and group capture.
regex testerDeveloper UtilityCron Expression Generator
Build cron expressions visually with an interactive schedule helper and human-readable output.
cron expression generatorDeveloper UtilityJSON Formatter & Validator
Format, validate, minify, and explore JSON data instantly in your browser.
json formatterSEOSocial Card Previewer
Preview how your website looks when shared on X/Twitter, LinkedIn, Discord, and Slack.
social card previewerDeveloper UtilityBase64, URL & HTML Encoder / Decoder
Encode and decode Base64 strings, URL-encode text, and escape HTML entities instantly in your browser.
base64 encoder decoderDeveloper UtilityDiff Checker — Text & Code Compare
Compare two blocks of text or code side by side and see exactly what changed, added, or removed.
diff checkerDeveloper UtilityUUID & ULID Generator
Generate random UUIDs (v4), ULIDs, and copy them instantly. Batch generate up to 100 at once.
uuid generator