100% Free

Free developer tools

Powerful tools for developers and engineering leaders, built by the team behind EliteCodersAI. No signup required.

Calculator

Free Print DPI Calculator

Calculate image DPI from pixels and print dimensions, or find the largest print size at 150, 240, 300, or 600 DPI in inches and centimeters.

Diagnostics

Free Refresh Rate Test

Measure monitor refresh rate, browser FPS, frame timing, and stability, then compare motion at 30, 60, 120, 144, and 240 FPS.

Calculator

Free Screen Size Calculator

Calculate a TV, monitor, laptop, or phone display's physical width, height, and area from diagonal size and aspect ratio in inches or centimeters.

Diagnostics

Free Mouse Test Online

Test left, right, middle, back, and forward buttons, check double clicks and scrolling, and see live pointer diagnostics without installing anything.

Camera

Free Webcam Test Online

Preview your camera, switch webcam inputs, check resolution and frame rate, and capture a private test photo without uploading anything.

Recorder

Free Screen Recorder Online

Record a browser tab, window, or full screen with optional microphone audio, then preview and download the video privately in your browser.

Reference

HTTP Status Code Cheat Sheet

Search, filter, and copy common HTTP response codes with detailed meanings, common causes, and practical fix suggestions for API debugging.

Docs

API Documentation Generator

Generate professional Markdown and HTML API docs from endpoint definitions, parameters, auth details, and response examples.

Interactive

Developer Cost Calculator

Compare the true cost of hiring developers vs. using AI developers. Includes salary, benefits, recruiting, onboarding, and turnover costs.

Estimator

Project Cost Estimator

Estimate software development project costs based on features, complexity, team size, technology stack, and delivery speed.

Estimator

Software Project Estimation Tool

Select feature modules like auth, payments, and notifications to estimate development hours, timeline, and budget. Bottom-up estimation with per-module complexity scoring.

Calculator

Engineering Team Size Calculator

How many developers do you need? Enter your project type, complexity, timeline, and quality bar to get a recommended team size, role breakdown (frontend, backend, DevOps, QA), and monthly cost estimate.

AI-Powered

README Generator

Generate professional README files for your projects. Describe your project and get a polished README with badges, install instructions, and API docs.

Checklist

Code Review Checklist Generator

Generate a customized code review checklist for your language or framework with security, performance, readability, testing, and pull request best practices.

Template

Technical Requirements Template

Generate professional technical requirements documents (SRS, PRD) by answering guided questions. Outputs functional requirements, non-functional requirements, constraints, and acceptance criteria.

Template

SOW Template Generator

Generate a software statement of work with scope, deliverables, exclusions, timeline, acceptance criteria, and payment terms.

Template

Software Development Contract Template Generator

Create a plain-language software development agreement with scope, milestones, IP terms, payment terms, acceptance criteria, support, and termination clauses.

AI-Powered

PR Description Generator

Turn diffs and change descriptions into well-structured pull request descriptions with summaries, change lists, and testing instructions.

Interactive

Sprint Velocity Calculator

Calculate your agile team's sprint velocity and predict future sprint capacity. Enter story points per sprint to see averages, trends, and predictions.

Generator

Sprint Planning Template Generator

Turn team capacity and prioritized backlog into an editable sprint worksheet with committed work, owners, risks, acceptance criteria, and a facilitation checklist.

Calculator

Technical Debt Calculator

Estimate the dollar cost of technical debt from code quality metrics. Get a debt score, annual cost estimate, and prioritized remediation plan.

Comparison

AI Coding Assistant Comparison

Compare the top 9 AI coding assistants side-by-side: Cursor, GitHub Copilot, Claude Code, Windsurf, Cody, Tabnine, Continue, Aider, and Amazon Q Developer.

Calculator

Uptime SLA Calculator

Convert uptime SLA percentages (99.9%, 99.99%, 99.999%) into allowed downtime per day, week, month, and year - or work backwards from an outage budget to the required SLA.

Quiz

Open Source License Selector

Answer 5 questions and get the right open source license (MIT, Apache 2.0, GPL, AGPL, BSD, MPL, or Unlicense) plus a copy-ready LICENSE file for your project.

Calculator

API Rate Limit Calculator

Size optimal API rate limits, throughput (req/s), burst capacity, and token bucket settings. Generates copy-ready config for nginx, Express, Cloudflare, and Redis.

Generator

Sprint Retrospective Template Generator

Generate a customized sprint retro agenda - Start/Stop/Continue, Mad/Sad/Glad, 4Ls, Sailboat, and more - with timeboxed sections, prompts, and an action item tracker.

Recommender

Tech Stack Recommender

Answer a few questions about your project, scale, team, and budget and get a tailored tech stack recommendation - frontend, backend, database, hosting, and auth - with reasoning and alternatives.

Template

Business Continuity Plan Template Generator

Turn critical operations, RTO and RPO targets, dependencies, workarounds, communications, owners, and testing cadence into an editable business continuity plan.

Assessment

Cloud Readiness Assessment Generator

Score cloud migration readiness across application fit, data sensitivity, operations maturity, team experience, risks, and the next 90 days of migration work.

Assessment

Legacy Application Modernization Assessment

Score legacy application risk, compare retain, rehost, replatform, refactor, rebuild, and replace paths, and generate a 30/60/90-day modernization roadmap.

Assessment

Developer Portfolio Grader

Score your developer portfolio across 7 dimensions - design, projects, skills, branding, contact, mobile, and performance - and get an instant letter grade with specific improvement tips for each weak category.

Quiz

Developer Burnout Assessment

14-question burnout quiz built for software engineers. Score code review stress, deployment anxiety, on-call fatigue, sprint pressure, and imposter syndrome - get an instant risk score with personalized recommendations.

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