Categories

Every tool, grouped by what you're trying to do.

AI

Calculators for LLM tokens, API costs, and AI model pricing.

4 tools

GPT Token Calculator

Estimate GPT tokens and API cost instantly.

AI API Cost Calculator

Compare OpenAI, Claude, and Gemini API pricing.

Claude Token Calculator

Estimate Claude tokens and Anthropic API cost.

Gemini Pricing Calculator

Estimate Google Gemini API cost.

Finance

Fee, tax, salary, and profit calculators for creators and sellers.

6 tools

PayPal Fee Calculator

Calculate PayPal fees for any transaction.

Etsy Fee Calculator

Estimate Etsy listing, transaction, and payment fees.

Shopify Profit Calculator

Calculate net profit and margin for Shopify products.

VAT Calculator

Add or remove VAT for any country.

Salary to Hourly Calculator

Convert annual salary to hourly, weekly, monthly.

Freelance Hourly Rate Calculator

Find the hourly rate you actually need to charge.

Energy

Solar, savings, and clean-energy payback calculators.

1 tools

Solar Panel Calculator

Estimate solar system size, cost, savings & payback.

Health

Period, pregnancy, water intake, BMI and diet plan calculators.

4 tools

Period Calculator

Predict your next period and fertile window.

Pregnancy Due Date Calculator

Find your baby's due date and pregnancy week.

Water Intake Calculator

How much water should you drink per day?

Diet Plan Calculator

Calorie needs and macros for your goal.

SEO

Generators for meta tags, sitemaps, robots.txt, and schema markup.

4 tools

Meta Tag Generator

Generate SEO meta tags with live preview.

Robots.txt Generator

Create a robots.txt file for your site.

Sitemap Generator

Generate an XML sitemap from a URL list.

JSON-LD Schema Generator

Generate JSON-LD structured data for SEO.

Developer

Everyday utilities: JSON, Base64, UUID, and more.

3 tools

JSON Formatter

Format, validate, and minify JSON.

Base64 Encoder / Decoder

Encode and decode Base64 strings instantly.

UUID Generator

Generate UUID v4 identifiers.

Text

Word, character, and reading-time counters.

1 tools

Word Counter

Count words, characters, and reading time.

Image

Convert images between formats in your browser.

1 tools

Image Converter

Convert between PNG, JPG, and WEBP.

PDF

Merge and manipulate PDFs — coming soon.

1 tools

PDF Merge

Merge multiple PDFs into one.