Free developer tools
Developer and DevOps tools, free in your browser.
Generate configs, inspect domains and certificates, and debug builds before you deploy. No account needed.
01 / Popular
Start with the common ones.
Dockerfile Generator
Multi-stage Dockerfiles for your stack.
Open toolDNS Records Resolver
A, AAAA, CNAME, MX, TXT and NS records.
Open toolSSL Certificate Checker
Certificate expiry, issuer and chain.
Open toolFramework Config Detector
Detect a repository stack and its build settings.
Open toolBuild Log Error Analyzer
Find the line that broke your build.
Open toolWebsite Speed Test
Response time and time to first byte.
Open tool
02 / Catalog
Every tool, by category.
Pick a category, then open a tool. Everything runs without an account.
Dockerfile Generator
Generate multi-stage, security-hardened Dockerfiles.
Open toolDocker Compose Builder
Connect database networks in compose files.
Open toolReverse Proxy Config Generator
Build configurations for Nginx, Traefik, and Caddy.
Open toolApache vHost Generator
Generate production-ready Apache Virtual Host configs.
Open toolDNS Records Resolver
Look up A, AAAA, CNAME, MX, TXT and NS records.
Open toolWHOIS Domain Lookup
Get domain registration details, registrar, and expiry info.
Open toolDomain Availability Checker
Search whether a domain is registered or available.
Open toolSSL Certificate Checker
Verify certificate expiry and cipher standards.
Open toolSSL Certificate CSR Generator
Generate CSRs and private keys for SSL certs.
Open toolDNS Propagation Checker
Verify global DNS propagation in real-time.
Open toolEnv Secret Validator
Analyze .env configurations for secrets leaks.
Open toolGitHub Actions Generator
Generate CI/CD build workflows.
Open toolSubdomain Discovery
Discover active subdomains via DNS brute-force enumeration.
Open toolBuild Log Error Analyzer
Resolve Vite, Node, and Webpack compiler errors.
Open toolFramework Config Detector
Detect stack and generate deployxa.yaml files.
Open toolHTTP Headers Inspector
View response headers, cache headers, HSTS, CSP, etc.
Open toolWebsite Uptime Checker
Verify if a website is online from multiple locations.
Open toolWebsite Speed Test
Measure page load time and response latency.
Open toolIP Address Lookup
Display IP geolocation, ASN, ISP, and reverse DNS.
Open toolPort Scanner
Check whether common ports (80, 443, 22, etc.) are open.
Open toolPing & Traceroute Tool
Test connectivity and routing paths.
Open toolCDN Header Checker
Detect CDN usage (Cloudflare, Fastly, AWS CloudFront, etc.).
Open toolRedirect Checker
Follow and display HTTP redirect chains (301, 302, etc.).
Open toolRobots.txt Tester
Validate robots.txt files and crawling rules.
Open toolSitemap Validator
Validate XML sitemaps and detect errors.
Open tool.dockerignore Generator
Generate optimized .dockerignore files for various languages.
Open tool.gitignore Generator
Create comprehensive .gitignore files for languages, IDEs, and OS.
Open toolDocker Image Size Estimator
Estimate Docker image sizes based on base layers and packages.
Open toolKubernetes YAML Generator
Generate K8s deployment and service configurations.
Open toolDocker Healthcheck Generator
Create container health checks for Dockerfiles and compose.
Open toolCI/CD Pipeline Generator
Build pipelines for GitLab, GitHub, CircleCI, etc.
Open toolNode.js Version Checker
Check package engine support and version compatibility.
Open toolSSL Renewal Reminder
Get notified before your custom SSL certificate expires.
Open toolSubdomain Availability Checker
Verify if a platform subdomain is available to claim.
Open toolDeployment Readiness Checker
Analyze setup configurations for production readiness.
Open toolReal-Time Webhook Tester
Get a temporary endpoint to test webhook payloads.
Open toolProxy API Endpoint Tester
Send API requests from our backend to bypass browser CORS.
Open toolCORS Configuration Tester
Verify preflight CORS access headers for target hosts.
Open toolServer Resource Calculator
Calculate CPU and RAM guidelines for active clusters.
Open toolDeployment Cost Estimator
Compare Deployxa cost savings against other cloud platforms.
Open tool
Ready when you are
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