Guides & Articles
Hands-on guides that show you exactly how to get things done — compressing files, converting formats, working with code, and more. Every guide uses our free, private, browser-based tools, so your files never leave your device.
How to Compress a PDF Without Uploading It Anywhere
Shrink bulky PDFs while keeping quality, entirely in your browser. No uploads, no waiting, no file-size caps.
WebP vs JPG: When to Use Which Format
WebP is smaller, JPG is more compatible. Here is how to choose, and how to convert between them in a click.
How to Extract Audio from Any Video File
Turn an MP4 or MOV into MP3 or WAV right in your browser — great for podcasts, samples, and clips.
JSON Formatter: The Developer's Guide
Format, validate, and debug JSON quickly. Understand why pretty-printing saves you hours of squinting.
How to Resize an Image Without Losing Quality
Resize photos for the web, email, and social media with the right dimensions — without server round-trips.
How to Test and Improve Your Typing Speed
Measure your WPM, understand what a good score looks like, and practice with a proven routine.