Glossary

An ODT file is the open-source alternative to a Word document. Learn what ODT is, how to open it in Word/Google Docs, and how to convert it to DOCX or PDF.

WAV files store high-quality audio, often as uncompressed PCM, which makes them great for recording and editing. Learn why they’re large, how to open them, and how they compare to MP3 and FLAC.

Learn what an RTF file is, when to use it, how it compares to DOCX and PDF, and how to open, edit, or convert RTF files on any device.

A clear guide to the BMP file format: what it’s used for, why it’s so large, when it beats JPEG, when PNG is better, and how to convert BMP to PNG.

Learn what a ZIP file is, what .zip files are used for, and how to open, extract, and create ZIP archives on Windows, Mac, and mobile — including the easiest way to open ZIP files on iPhone.

Learn what a HEIC file is, why iPhones use the HEIC image format, how to open HEIC files on Windows or Mac, and how to convert HEIC to JPG or PNG.

Discover whats behind MP3 compression, its rise to a global standard, and how it compares to WAV and AAC for quality and efficiency.

OGG is an open, patent-free audio container often paired with the Ogg Vorbis codec. Learn what it is, how it compares to MP3/FLAC, iPhone support, and how to convert it.

MP4 is a multimedia container that can hold video, audio, subtitles, and metadata. Learn what MP4 means, how it differs from MPEG-4, and why it’s the default for streaming, editing, and sharing.