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Word & Character Counter
Count words, characters, and sentences in real-time. Essential for SEO optimal length.
Reading Time Estimator
Paste your blog post to calculate estimated reading time for average readers.
URL Slug Generator
Convert Korean post titles into SEO-friendly English URL slugs instantly.
Savings Interest Calculator
Calculate compound interest for savings and deposits, including Korea youth savings accounts.
Property Tax Calculator
Calculate Korean real estate acquisition tax based on property price, ownership count, and regulated zone.
Currency Converter
Convert major currencies instantly. Perfect for overseas shopping and travel exchange planning.
BMI & Calorie Calculator
Calculate BMI and daily calorie needs (TDEE) from height and weight. For diet and muscle goals.
WebP Image Converter
Convert JPG/PNG to WebP in-browser. 100% client-side processing, no server upload. Multi-file support.
PDF Flipbook HTML Generator
Convert a PDF into a page-turning flipbook and download standalone HTML. No server upload.
Text-to-Speech
Convert text to speech in-browser. Korean, English, Japanese supported. Adjustable speed and pitch.
Google Search Preview
Preview how your title and description appear in Google search results.
Color Code Converter
Convert between HEX, RGB, HSL color codes and get complementary color suggestions.
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