Tools starting with T

Bundle files into a .tar archive in your browser, with ustar headers any tar can read.

List and extract the contents of a .tar archive in your browser, with header checksums verified.

Convert between Celsius, Fahrenheit and Kelvin with the formulas shown.

Convert text between UPPERCASE, lowercase, Title Case, Sentence case, camelCase, snake_case and kebab-case.

Strip extra spaces, blank lines, line breaks, smart quotes and unwanted characters.

Compare two blocks of text line by line and highlight what was added, removed and unchanged.

Encrypt and decrypt text with AES-256-GCM and a password, entirely in your browser.

Score text with six readability formulas and see which sentences are dragging it down.

Convert text to binary, hex, decimal or octal bytes, and back again, in UTF-8.

Turn plain text into HTML paragraphs, escaping the text and linking URLs.

Turn plain text into a PDF with your choice of page size, font and margins.

Work out how many tiles a floor or wall needs, including a wastage allowance.

Convert between milliseconds, seconds, minutes, hours, days, weeks and years.

See one moment across several time zones, with working hours marked for each.

Work out a tip and split the bill between any number of people.

Compare two tire sizes for diameter, sidewall, circumference and the speedometer error the change causes.

A simple checklist that remembers itself in this browser, with no account.

Work out torque from a force, a lever length and the angle it is applied at, in N·m and lb·ft.

Convert between newton metres, pound-feet, pound-inches and kilogram metres.

Test a touchscreen for dead zones and check how many fingers it tracks at once.

Add up a trip's cost from flights, accommodation and daily spending, with a contingency and a per-day figure.

Work out nights, days and the annual leave a trip actually costs, from departure and return dates.

Generate Twitter/X card meta tags for large-image or summary link previews.

Build a modular type scale from a base size and ratio, in pixels and rem, with line heights.