Use free calculators, converters, and generators. All tools process data locally in your browser.
Choose a workflow to find tools for your task.
Pick a goal to filter the tools. All tools stay in your browser.
I need to inspect, fix, or convert data fast
Format, decode, and convert data. JSON, XML, YAML, CSV, encoders, and unit converters.
Selected. I need to validate and test before shipping
Check code, APIs, regex, and specs. Find issues before your users do.
I need to design a UI that looks pro
Build palettes, shadows, and gradients. Ship a clean interface.
I need to send money or run a business
Price your work and plan your money. Invoices, pricing, taxes, loans, and unit economics.
I need to get hired — or hire well
Tune your resume, plan interviews, grade job briefs, and run hiring loops.
I need answers fast
Get quick answers. Split bills, plan sleep, pace learning, and count time and money.
I need to generate content, docs, and boilerplate
Create README files, robots.txt, social images, QR codes, invoices, and styled text.
I need to lead my engineering team
Track delivery, plan architecture, and run healthy team rituals.
Calculate your ideal hourly rate with GST, expenses, and savings. Built for Indian freelancers.
Convert salaries across currencies with PPP adjustments. Compare purchasing power globally.
Compare freelance income with full-time salary including all benefits, PF, and insurance.
Beat Applicant Tracking Systems. Analyze resume vs job description and get keyword optimization tips.
Generate compelling LinkedIn headlines that get noticed by recruiters. 10+ proven formulas.
Create error-free Boolean search strings for LinkedIn and Google X-Ray.
Visualize breakpoints and test fluid grid/flex layouts in real-time.
Fine-tune Framer Motion spring physics with real-time preview.
Generate custom QR codes for job posts and career sites instantly.
Generate .gitignore files from 30+ templates — Node, Python, Go, Rust, Java, macOS, Windows, IDEs, and more. Copy or download instantly.
Generate production-ready Dockerfiles and .dockerignore for Node, Python, Go, Rust, Java, and Next.js — multi-stage, distroless-aware.
Searchable reference for every HTTP status code — 1xx to 5xx — with meanings, typical use cases, and developer-friendly explanations.
Generate SEO-ready title, description, Open Graph, and Twitter Card tags from your inputs — with Google preview and copy-ready HTML.
Generate a clean robots.txt with allow/disallow rules, crawl-delay, sitemap references, and multi-user-agent support. Copy or download.
Generate structured-data JSON-LD for Articles, FAQs, Products, and Organizations — with a validator and copy-ready script tags.
Paste your URLs and generate a valid XML sitemap with priority, changefreq, and lastmod — plus a robots.txt pointer.
Generate redirect rules for nginx, Apache .htaccess, Vercel, and Netlify — 301 and 302 — from a simple from/to list.
Generate docker-compose.yml for common stacks — web app, Postgres, Redis, nginx — with volumes, networks, and healthchecks.
Generate production-ready nginx server blocks — proxy, static, gzip, TLS, and security headers — for your app in seconds.
Build cURL commands, run API requests in your browser, format JSON responses, and compare changes locally.
Convert any IPv4 CIDR to a network range, broadcast, mask, and usable-host count in one click.
Validate essential OpenAPI 3 structure and format API contracts in your browser.
Format GraphQL operations and catch common syntax errors in your browser.
Convert Postman JSON to cURL or reverse-engineer cURL back to Postman JSON. Run and inspect responses in your browser.
Build a Content-Security-Policy header from common resource directives.
Generate PKCE code verifiers, challenges, and authorization snippets locally.
Generate a deployment and service manifest for a containerized application.
Build a readable GitHub Actions strategy matrix from runtime combinations.
Generate Subresource Integrity hashes and ready-to-paste integrity attributes.
Compare structured API responses and spot added, removed, or changed fields.
Generate realistic mock API responses from an OpenAPI schema locally.
Build readable GraphQL queries from fields, variables, and operation settings.
Find the correct content type from a file extension or MIME type.
Parse browser, operating system, and device details from a user-agent string.
Document environment variables and generate a safe .env.example template.
Build a browser Permissions-Policy security header from selected features.
Design multi-tenant PostgreSQL Row-Level Security policies with generated SQL migrations and TypeScript types.