6 guides
Guides
Plain-English explanations of file formats, encodings and conversions, with the tools to put them into practice.
- How to Extract Audio from a Video on Any Device2 MIN READThree free ways to pull the sound out of an MP4, MOV or WebM video on a phone or computer, with no app to install. Includes tips for speech and music.
- WebP vs PNG vs JPG: Which Image Format Should You Use?2 MIN READA plain comparison of JPG, PNG and WebP: file size, quality, transparency and compatibility, with a simple rule for picking the right format.
- How to Reduce Image File Size Without Losing Quality2 MIN READMake photos and screenshots smaller for email, uploads and websites. The three levers that matter: dimensions, format and quality, with recommended settings.
- What Is Base64 Encoding? A Plain-English Guide2 MIN READWhat Base64 is, how it turns bytes into text step by step, why it makes data 33% bigger, and where you meet it: data URIs, email, JWTs and APIs.
- Why Your 1 TB Drive Shows 931 GB: MB vs MiB Explained2 MIN READYour new drive isn’t missing space. Learn the difference between decimal units (GB) and binary units (GiB), and how to convert between them.
- Are Online File Converters Safe? What Happens to Your Files2 MIN READWhat happens when you upload a file to an online converter, the real risks for private documents, and how to check whether a tool processes files locally.