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Open a tool, use it, leave. No account creation, no email walls, no paywalls. Built for developers, HR teams, SaaS founders, and everyone in between.
Showing 48 tools
JSON Formatter & Validator
Format, validate, and minify JSON instantly in your browser.
Strong Password Generator
Generate cryptographically secure passwords instantly.
Base64 Encoder / Decoder
Encode and decode Base64 strings instantly in your browser.
JWT Decoder
Decode and inspect JSON Web Token header, payload, and signature.
Regex Tester
Test regular expressions against strings with live match highlighting.
Cron Expression Builder
Build cron schedules visually and get the expression + plain-English explanation.
.env File Generator
Generate a boilerplate .env file for Laravel, Next.js, Node.js, or Docker.
SQL Formatter
Format and beautify SQL queries with consistent indentation and keyword casing.
Color Contrast Checker (WCAG)
Check foreground/background color contrast for WCAG AA and AAA compliance.
.htaccess Generator
Generate Apache .htaccess rules for redirects, HTTPS, caching, and security headers.
AI Token Cost Calculator
Calculate API costs for GPT-4o, Claude, Gemini, and other LLMs by token count.
Payroll Breakdown Calculator
Calculate net pay from gross salary with earnings, deductions, and tax breakdown.
Employee Total Cost Calculator
Calculate the true total cost of employing someone beyond base salary.
Leave Accrual Calculator
Calculate accrued leave days based on joining date, policy type, and accrual rate.
Salary Hike Calculator
Calculate new salary after a percentage increase and see the monthly/annual difference.
Overtime Pay Calculator
Calculate overtime pay based on hours worked, regular rate, and overtime policy.
GPA Calculator
Calculate GPA from grades and credit hours using 4.0, 5.0, or percentage scales.
Attendance Percentage Calculator
Calculate student attendance percentage and check if minimum threshold is met.
Exam Grade Calculator
Calculate exam grade, percentage, and letter grade from scores and maximum marks.
School Fee Structure Calculator
Build a term or annual school fee structure with all components and calculate totals.
MVP Cost Estimator
Estimate the cost to build a software MVP based on features and team type.
Churn Rate Impact Calculator
See how monthly churn compounds into revenue loss over 12 months.
Customer LTV Calculator
Calculate customer lifetime value and LTV:CAC ratio for your SaaS business.
MRR Growth Simulator
Simulate 24-month MRR growth with new MRR, expansion, and churn inputs.
Build vs Buy Calculator
Compare the 5-year cost of building custom software vs buying a SaaS subscription.
Sales Pipeline Calculator
Calculate projected revenue from your deal pipeline using stage conversion rates.
Cold Email ROI Calculator
Calculate projected revenue from a cold email campaign using open, reply, and close rates.
Meeting Cost Calculator
Calculate the true cost of a meeting based on attendees, duration, and average salary.
Freelance Rate Calculator
Calculate the minimum hourly rate you need to charge as a freelancer to hit your income goal.
SaaS Pricing Calculator
Model SaaS pricing tiers and forecast MRR from customer distribution across plans.
SaaS Runway Calculator
Calculate how many months until you run out of cash, and your break-even point.
Sales Commission Calculator
Calculate sales commission earnings from sales amount, rate, and bonus thresholds.
Customer Acquisition Cost Calculator
Calculate CAC from sales and marketing spend and benchmark against LTV.
Lead Response Time ROI
See how faster lead response time increases conversion rates and projected revenue.
Invoice Generator
Create a professional invoice instantly and print or save as PDF. No account needed.
Business Name Generator
Generate creative business name ideas from keywords using proven naming patterns.
Time Zone Meeting Planner
Find overlapping working hours across multiple time zones for global team meetings.
Project Timeline Estimator
Estimate software project timeline in sprints from a feature checklist and team size.
Sprint Velocity Calculator
Calculate average sprint velocity from historical sprints and project remaining backlog.
Custom Software ROI Calculator
Calculate payback period and 5-year ROI for a custom software investment.
Startup Equity Dilution Calculator
Calculate founder ownership percentage after funding rounds and option pool creation.
Job Description Generator
Generate a professional job description template from role title and company details.
Interview Question Generator
Generate structured interview questions by role type, level, and competency area.
Tech Stack Recommender
Answer 5 questions about your project and get a recommended technology stack.
PNG to WebP Converter
Convert PNG images to WebP format online. Reduce file size by up to 30% with no quality loss.
JPG to WebP Converter
Convert JPG/JPEG images to WebP format online. Smaller files, same quality.
PNG to AVIF Converter
Convert PNG images to AVIF format. Up to 50% smaller than PNG with superior quality.
JPG to AVIF Converter
Convert JPG/JPEG images to AVIF format. 40–50% smaller than JPEG with better quality.