Developer Tools & Roadmaps
Developer tools to build faster.Career roadmaps to grow further.
Use free browser-based developer tools, explore developer roadmaps, and plan your career path with practical guidance—all in one place.
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Recently added tools
JSON Formatter
Format, beautify, and validate JSON online with a fast free developer tool.
JWT Decoder
Decode JSON Web Tokens online and inspect their header and payload in your browser.
JWT Secret Key Generator
Generate a strong random JWT secret key online for development and testing.
Base64 Encoder
Encode text to Base64 online quickly and securely in your browser.
URL Encoder
Encode URLs and query parameters online for safe use in web applications.
UUID Generator
Generate random UUIDs online for applications, APIs, databases, and testing.
DNS Lookup
Look up A, AAAA, MX, NS, TXT, CNAME, and other DNS records for any domain.
HTTP Headers Checker
Inspect HTTP response headers, status codes, and web security settings for a website.
Explore
Everything you need in one toolbox
From data formatting to API testing, find the right utility for your development workflow.
Developer toolkit
🚀 All-in-One Toolkit for Developers, Students & Professionals
Simple utilities for the small tasks that slow you down.
JSON Tools
JSON Formatter
Format, beautify, and validate JSON online with a fast free developer tool.
Security
JWT Decoder
Decode JSON Web Tokens online and inspect their header and payload in your browser.
Security
JWT Secret Key Generator
Generate a strong random JWT secret key online for development and testing.
Encoding
Base64 Encoder
Encode text to Base64 online quickly and securely in your browser.
URL Tools
URL Encoder
Encode URLs and query parameters online for safe use in web applications.
Generators
UUID Generator
Generate random UUIDs online for applications, APIs, databases, and testing.
Cybersecurity
DNS Lookup
Look up A, AAAA, MX, NS, TXT, CNAME, and other DNS records for any domain.
Cybersecurity
HTTP Headers Checker
Inspect HTTP response headers, status codes, and web security settings for a website.
Cybersecurity
IP Lookup
Find location, ISP, and technical details for an IPv4 or IPv6 address.
Cybersecurity
SSL Certificate Checker
Check SSL certificate validity, expiry, issuer, and domain coverage for a website.
Cybersecurity
Subdomain Checker
Discover and validate subdomains for a domain with a fast reconnaissance-style check.
Cybersecurity
WHOIS Lookup
Search domain registration details and ownership metadata for a website or domain.
Data Science
CSV Data Cleaner
Clean, normalize, and transform CSV files directly in the browser.
Data Science
Data Profiling
Profile uploaded CSV data to understand column types, completeness, and quality.
Data Science
Data Quality Checker
Review CSV data for missing values, duplicates, invalid formats, and inconsistent columns.
Data Science
SQL Query Analyzer & Generator
Analyze SQL syntax and structure while generating readable, reviewable SQL statements.
API Tools
REST API Tester
Test REST APIs online with a free REST API testing and debugging tool. Send GET, POST, PUT, PATCH and DELETE requests and inspect API responses instantly.
Docker Tools
Dockerfile Generator
Create a Dockerfile online for common web development languages and frameworks.
SEO Tools
Robots.txt Validator
Validate robots.txt rules online and check whether crawlers can access your URLs.
JSON Tools
JSON to Code Converter
Convert JSON data into typed or language-specific code for 13 popular programming languages.
Security
Web Vulnerability Scanner
Review browser-accessible HTTPS, security headers, and basic server information for a website.
Image Tools
Icon Size Converter
Convert a 512×512 image into multiple common PNG icon sizes directly in your browser.
SEO
Meta Tag Generator
Generate standard HTML meta tags for SEO, social sharing, and browser metadata in seconds.
SEO
Open Graph Generator
Generate Open Graph meta tags for better social previews and share cards on Facebook, LinkedIn, and more.
SEO
Redirect Checker
Analyze URL redirects and see the chain of HTTP status codes and location changes for a page.
SEO
Schema Markup Generator
Create structured JSON-LD schema markup for articles, products, organizations, FAQs, and more.
SEO
Sitemap Generator
Generate a sitemap.xml file with URLs, last modified values, change frequency, and priorities.
Log Tools
Error Message Parser
Parse application errors and logs into structured details, including type, category, and severity.
Log Tools
Log Formatter
Format raw application logs into a clean, numbered, readable layout.
Log Tools
Log Level Filter
Filter application and server logs to show only selected log levels.
Log Tools
Apache & Nginx Log Parser
Parse Apache and Nginx access logs into structured request data.
Log Tools
Log Timestamp Converter
Convert common log timestamps and Unix timestamps into readable date formats.
Log Tools
Log to JSON Converter
Convert timestamped application log lines into structured JSON records.
Log Tools
Stack Trace Formatter
Format JavaScript, Java, and Python stack traces into a structured summary.
Log Tools
Structured Logging Generator
Generate structured JSON log entries with service, environment, and request metadata.
DevOps
Gitignore Generator
Generate a .gitignore file with rules for popular languages, frameworks, and tools.
DevOps
CI/CD Pipeline Generator
Generate a CI/CD workflow for popular platforms, languages, and deployment targets.
DevOps
Cron Expression Generator
Build and interpret cron expressions for recurring scheduled tasks.
DevOps
Docker Command Generator
Assemble common Docker commands for containers, images, networks, and volumes.
DevOps
Kubernetes Deployment Generator
Configure and generate a Kubernetes Deployment manifest for an application.
DevOps
Kubernetes YAML Generator
Generate common Kubernetes resource manifests, including Deployments, Services, and ConfigMaps.
DevOps
Linux Command Generator
Construct common Linux commands for file management, processes, networking, and system tasks.
DevOps
Linux Permission Calculator
Calculate Linux file permissions and their numeric chmod representation.
DevOps
Nginx Config Generator
Create a starting Nginx configuration for common web server and reverse proxy setups.
DevOps
SSH Command Generator
Build SSH commands for remote connections, file transfers, and port forwarding.
AI Tools
AI Prompt Generator
Create clear and structured prompts for AI models.
AI Tools
AI JSON Prompt Generator
Generate structured AI prompts in clean JSON format.
AI Tools
AI Prompt Optimizer
Improve AI prompts with clearer instructions, structure, and output requirements.
AI Tools
AI Text Summarizer
Summarize articles, notes, documentation, and other text directly in your browser.
AI Tools
AI Token Counter
Prepare and inspect AI prompt text before using it with a language model.
AI Tools
LLM Cost Calculator
Estimate AI API costs from input and output token usage.
AI Tools
System Prompt Generator
Create structured system instructions for AI applications.
Career Tools
Notion Notes Prompt Generator
Turn a course outline, lecture, topic, or rough notes into a structured prompt for Notion-ready study notes.
Career Tools
ResumeForge
Create and refine a professional resume with ATS-friendly sections, a live preview, and export-ready LaTeX output.
Career Tools
Portfolio Builder
Create a personal portfolio website without coding. Add your profile, skills, projects, education, and experience, preview the design, then download a ready-to-publish website as a ZIP file.
Career Tools
Career Roadmap Tool
Plan your education and career path after Class 10 or 12 with stream, course, and job route guidance.
Career Tools
Developer Roadmaps
Explore guided learning roadmaps for full-stack, AI, data, and career-focused development paths.
College Tools
Academic Countdown
Track exam deadlines, assignments, interviews, and other academic milestones with a live countdown dashboard.
College Tools
Productivity Clock
Focus with a Pomodoro-style timer, task tracker, and daily session summary for college and work routines.
College Tools
University Exam Guide
Practical university exam advice on PYQs, revision, answer writing, and time management to help you prepare with confidence.
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