Blog
Guides on image compression, PDF tools, web performance, and privacy — written by engineers who build these tools.
Privacy & Security
Should You Trust Online Image Compression Tools With Your Photos?
Free online tools are convenient — but many upload your files to servers you know nothing about. How to verify whether a tool is actually safe.
May 3, 20265 min read
Privacy & SecurityWhat Is Image Metadata? (And Why You Should Remove It Before Sharing)
Every photo you take contains hidden data: your GPS location, camera model, exact timestamp, and more. Here's what EXIF metadata is and how to strip it.
Apr 1, 20265 min read
Privacy & SecurityHow to Safely Compress Sensitive PDF Documents
Bank statements, contracts, and medical records should never be uploaded to a third-party server. Here's how to compress them safely without leaving your device.
Mar 20, 20264 min read
Privacy & SecurityWhy Online File Converters Are a Security Risk
Most free online file converters upload your files to remote servers. Here's what actually happens to your data — and how to stay safe.
Mar 15, 20265 min read