Free Online Utilities
Simple calculators, converters, generators, SEO tools, and developer utilities.
finance
Budget Calculator
Plan income, expenses, savings, and remaining budget.
time
Timezone Checker
Compare times across multiple time zones.
text
Word Unscrambler
Unscramble letters into possible words.
text
Word Counter
Count words, characters, sentences, and reading time.
developer
JSON Formatter
Format and validate JSON.
developer
Markdown Formatter
Format and validate Markdown.
business
Invoice Generator
Create and download simple invoices.
finance
Stock Dividend Calculator
Calculate dividend yields and returns.
fun
Kitchen Measurement Converter
Convert between common kitchen measurements.
developer
AI Ghost Text Cleaner
Remove AI-generated ghost text from your content.
developer
Base64 Encoder Decoder
Encode and decode Base64 strings.
developer
UUID Generator
Generate random UUIDs.
developer
Password Generator
Generate secure passwords.
developer
QR Code Generator
Create QR codes from URLs or text.
finance
Mortgage Calculator
Estimate monthly mortgage payments.
finance
Compound Interest Calculator
Calculate investment growth over time.
time
Age Calculator
Calculate age from a birth date.
time
Date Difference Calculator
Find the difference between two dates.
seo
Meta Description Generator
Generate SEO-friendly meta descriptions.
seo
UTM Builder
Build campaign tracking URLs.
health
BMI Calculator
Calculate body mass index.
fun
Random Name Generator
Generate random names.
business
CPC/CPM Calculator
Calculate cost per click and cost per mille for advertising campaigns.
business
Roi Calculator
Calculate return on investment.
business
Startup Runway Calculator
Estimate how long your startup can operate before running out of cash.
business
Subscription Revenue Calculator
Calculate monthly recurring revenue and growth for subscription businesses.
business
Freelance Hourly Rate Calculator
Determine your ideal freelance hourly rate based on expenses, desired profit, and billable hours.
business
Pricing Calculator
Calculate optimal pricing based on costs, desired profit margin, and competitor prices.
business
Profit Margin Calculator
Calculate profit margin based on cost and selling price.
lawn gardening
USDA Plant Hardiness Zone Checker
Find your USDA plant hardiness zone based on your location.
lawn gardening
Frost Date Calculator
Estimate your average last spring frost, first fall frost, and growing season length by ZIP code.
lawn gardening
Plant Watering Calculator
Estimate how often to water plants based on plant type, pot size, light, temperature, humidity, and environment.
lawn gardening
Soil Calculator
Calculate how much soil you need for raised beds, planters, garden boxes, and containers.
lawn gardening
Mulch Calculator
Calculate how much mulch you need for garden beds, landscaping areas, tree rings, and flower beds.
lawn gardening
Seed Spacing Calculator
Estimate how many plants or seeds can fit in a garden bed based on bed size, plant spacing, row spacing, and crop type.
lawn gardening
Companion Planting Checker
Check companion planting compatibility and see which crops grow well together or should be kept apart.
lawn gardening
Harvest Date Calculator
Estimate harvest dates based on crop type, planting date, planting method, and days to maturity.
lawn gardening
Sunlight Exposure Calculator
Estimate whether a garden spot gets full sun, partial sun, partial shade, or full shade based on sunlight hours.
lawn gardening
Compost Ratio Calculator
Balance brown and green compost materials and estimate what your compost pile needs next.
lawn gardening
Garden Layout Planner
Plan a garden bed layout by estimating rows, columns, plant capacity, bed area, and planting density.
developer
Image to Data URI Converter
Convert an uploaded image into a Base64 Data URI for HTML, CSS, JSON, or inline previews.
developer
CSS Gradient Generator
Create CSS linear or radial gradients, preview them live, and copy the CSS code.
developer
Regex Builder
Build, test, and copy regular expressions with presets, flags, sample text, and live match results.
developer
Cron Expression Builder
Build, customize, validate, and copy standard cron expressions for scheduled jobs.
developer
SQL Formatter
Format, minify, and copy SQL queries for cleaner reading and easier debugging.
developer
API Request Tester
Send simple API requests, add headers, test request bodies, and inspect response status, headers, timing, and body.
developer
cURL to Fetch Converter
Convert cURL commands into JavaScript fetch code for browser or Next.js usage.
developer
CSS Keyframe Animation Builder
Create CSS keyframe animations for hover, active, focus, or automatic playback and copy the generated CSS.
time
Stopwatch
Start, pause, reset, and record lap times with a simple browser stopwatch.
time
Alarm / Reminder App
Create custom browser reminders and play an alarm sound when they trigger.