Word & Character Counter
Real-time word, character, byte, and reading time counter with live undo.
Text Case & Formatter
Convert cases (UPPER, lower, Title), generate URL slugs, and clean line breaks.
Lorem Ipsum Generator
Instant dummy text generator in English and Korean by paragraphs, words, or bytes.
Markdown Live Editor
Split-screen live Markdown previewer with instant HTML export and copy.
Image Compressor
Shrink image file size locally with side-by-side quality and compression slider.
AI Background Remover
High-precision on-device AI background cutout. 100% private in browser.
Image Resizer & Scaler
Adjust exact pixel dimensions or percentage scales with locked aspect ratios.
Favicon & Icon Generator
Convert a single image into all standard web favicon sizes and copy HTML tags.
JSON Formatter & Validator
Beautify, minify, and detect syntax errors in JSON objects with line precision.
Base64 Encoder / Decoder
Encode and decode text or files to Base64 strings with live image decoding.
Regex Tester & Matcher
Real-time regular expression testing with visual highlighting and list export.
URL Parser & Encoder
Dissect URL components, parse query parameters into grids, and sanitize URI strings.
D-Day & Working Day Calc
Event countdown and business working day calculator excluding weekends.
Discount, VAT & Margin
Calculate final discount prices, VAT tax breakdowns, and net profit margins.
QR Code Generator
Generate instant high-resolution QR codes for links, text, and Wi-Fi networks.
Loan & Compound Calc
Simulate mortgage repayments and compound investment returns with schedules.