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Add or remove GST from an amount and see the tax component instantly.

Estimate monthly mortgage payments, total repayment, and interest cost.

Calculate age in years, months, and days from a date of birth.

Estimate daily calories from body details and activity level.

Estimate crypto profit or loss from buy and sell prices.

Estimate take-home pay after simple tax deductions.

Count words, characters, sentences, and paragraphs in any text.

Convert text between sentence, title, upper, lower, camel, and kebab case.

Remove repeated lines while preserving the first occurrence order.

Sort lines alphabetically or reverse alphabetically.

Preview Markdown text in a clean formatted view.

Generate strong passwords with flexible length and character options.

Open TXT, Markdown, CSV, log, JSON, XML, and other text files for reading, copying, and downloading.

Open an EPUB ebook, browse chapters, view metadata, and read extracted ebook text in a clean online view.

Convert EPUB ebooks to plain text, extract readable chapters, and download the result as a TXT file.

Convert plain text to a simple EPUB ebook with title, author, paragraph formatting, and instant download.

Format, validate, and compact JSON for quick review and cleanup.

Encode text to Base64 or decode Base64 back to readable text.