All Utilities

Find the right tool for the task in front of you.

Showing 25-36 of 64

Open Height Calculator
Height Calculator Health
Calculate a height percentile with WHO and CDC reference data and convert measurements between centimeters and feet and inches.
Open HTTP Security Headers Checker
HTTP Security Headers Checker Developer
Check a public website's redirect chain and HTTP security headers, including CSP, HSTS, frame controls, and referrer policy.
Open HTTP Status Sandbox
HTTP Status Sandbox Developer
Create temporary mock endpoints that return configurable HTTP status codes and response details for testing client error handling.
Open Image Optimizer
Image Optimizer Design
Optimize JPG, PNG, and WebP images for free in your browser, with support for both lossy and lossless image compression.
Open Image Resizer
Image Resizer Design
Crop and resize JPG, PNG, and WebP images in your browser with aspect-ratio controls, dimension presets, preview, and download.
Open Invoice Generator
Invoice Generator Business
Create branded invoices with customer details, line items, taxes, discounts, payment terms, PDF export, and browser-saved drafts.
Open JSON Formatter
JSON Formatter Developer
Beautify, minify, validate, and sort JSON in your browser while reviewing syntax errors, nested data, arrays, and object keys.
Open Kanban Board
Kanban Board Business
Organize tasks on a free browser Kanban board with colored draggable cards, custom columns, local storage, and no account required.
Open Life Insurance Needs Calculator
Life Insurance Needs Calculator Finance
Estimate life insurance coverage needs from income replacement, debts, mortgage, education costs, final expenses, savings, and existing coverage.
Open List Diff Checker
List Diff Checker Text
Compare two text lists to find shared and unmatched entries, duplicates, and differences with case and whitespace normalization.
Open Loan Calculator
Loan Calculator Finance
Estimate fixed-rate installment loan payments, total interest, payoff time, amortization, and potential savings from extra payments.
Open Location Code Converter
Location Code Converter Math and Science
Convert country, region, airport, FIPS, NUTS, UN/LOCODE, domain, and U.S. ZIP/ZCTA codes across major location standards.