Single-purpose developer tools
that solve one problem instantly
Fast, client-side web tools for modern developers. No account required, zero tracking cookies, and your code never leaves your browser.
Explore All Micro-Tools
Showing 13 tools ready for immediate in-browser execution
Security
2 toolsEnvironment secret auditing, token inspection, and HMAC webhook signature verifiers.
EnvSchema Studio
Security
Paste your .env file and instantly see which variables are safe for the client, which ones look like secrets, and get a copy-paste Zod schema for runtime validation.
Database
2 toolsSchema inference, Litestream S3 replication, and PostgreSQL migration compilers.
Sqlite Backup S3 Replication Forge
Database
Configure high-durability SQLite WAL replication to AWS S3, Cloudflare R2, or MinIO with zero data loss recovery configs.
Design
2 toolsSVG icon sanitizers, Next.js 15 OpenGraph share card generators, and color paletters.
SVG to Production React Component Optimizer
Design
Upload or paste raw SVG; instantly sanitize, strip hardcoded dimensions, map attributes to JSX/TypeScript props, and export clean Lucide-style React components.
Payments
2 toolsInstant client invoices, Notion consultant billing retainers, and Stripe payment helpers.
Instant Branded Invoice & Receipt Styler
Payments
Paste project line items, hours, or rates; generates clean PDF-ready invoice styling with tax calculations and Stripe payment link embeds.
Scheduling
2 toolsCron heartbeat dead-man switches, Prometheus alerting rules, and uptime monitors.
Zero-Config Cron Job Heartbeat & Ping Monitor
Scheduling
Paste your crontab schedule to generate heartbeat ping URLs, curl failure alerting hooks, and execution threshold metrics.
Developer Tools
3 toolsMulti-stage Dockerfile architects, sitemap 404 dead link crawlers, and build optimizers.
Jwt Token Security Claims Guard
Developer Tools
Lightweight micro-tool for Jwt Token Security Claims Guard.
Broken Link 404 Crawler Validator
Developer Tools
Submit any URL or raw sitemap XML to crawl internal hyperlinks, detect broken anchor tags, and generate health scorecards.
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These run entirely in your browser. Nothing gets sent anywhere.
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How we build these
A few things we care about when making tools.
Your data stays local
Most of our tools process everything in your browser. We don't see it, store it, or send it anywhere.
Fast and lightweight
No heavy frameworks or loading screens. Each tool is built to open instantly and do its job without getting in the way.
No account required
You can use every tool without signing up. We make money from a Pro pass for power users, not from gating basic features.
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Tell us what you need and we'll see if we can build it.
Pricing
Every tool works for free. The Pro pass is for people who use them a lot.