Audio converter (to MP3 or WAV)

Cut a part of an MP3, WAV or M4A file: set start and end, preview, add fade in/out and save as MP3 or WAV. Great for ringtones. Free.

Extract the audio from MP4, MOV or WebM videos and save it as MP3 (96–320 kbps) or WAV. Runs in your browser — no upload, no sign-up.

Convert dates between the Hijri (Islamic) and Gregorian calendars using the Umm al-Qura calendar. Shows the weekday and month names. Free, instant.

Convert length, weight, temperature, area (incl. dunam and feddan), volume, speed, digital storage and time. Accurate and instant.

Change text to UPPERCASE, lowercase, Title Case or Sentence case, or to camelCase, snake_case and kebab-case for code. Free.

Convert digits between Eastern Arabic (٠١٢٣), Persian (۰۱۲۳) and Western (0123), including decimal and thousands separators. Free.