Four Labs. One toolkit.

Convert text to UPPER, lower, Title, camelCase, snake_case, kebab-case & URL slugs.

Convert numbers to words with currency (USD, EUR, GBP, BDT, INR & more) — ideal for invoices & checks.

Remove line breaks & join broken paragraphs from PDFs, emails or messy copy-paste — instantly clean text for Word & Google Docs.

Sort any list A–Z, Z–A, by length, numerically, reverse or randomize — and remove duplicates instantly.

Remove duplicate lines from any list — emails, IDs, keywords. Find, count & extract unique or repeated entries instantly.

Find and replace any word, phrase or pattern across long text — case-sensitive, whole-word, regex & multi-pair replace, all in your browser.

Copy invisible Unicode characters (U+2800, U+200B, U+3164) — blank WhatsApp messages, empty Instagram bios, hidden TikTok captions & Free Fire blank names.

Calculate your Body Mass Index instantly.

Compute percentages, increases, and decreases.

Find your exact age in years, months, and days.

Estimate daily calorie needs (BMR, TDEE) and macro targets.

Convert kg, lb, oz, g, mg, stones, metric tons, short/long tons & more — instant multi-unit grid for fitness, shipping & cooking.

Convert Celsius, Fahrenheit, Kelvin, Rankine & Réaumur — instant multi-scale grid with formulas for travel, science & engineering.

Generate clean placeholder text by words, sentences, paragraphs, bytes or lists — plain text or HTML <p> tags for web designers, developers & publishers.

Generate strong, high-entropy passwords offline in your browser — length, symbols, look-alike filters, passphrases & strength meter.