Technology

A look under the hood: WebAssembly codecs, browser capabilities, web performance, and why file conversion no longer needs a server.

Pixel art owl in a graduation cap pointing between a lossy compression panel that discards data and a lossless compression panel that preserves every pixel

TechSeptember 29, 20266 min

Lossy vs Lossless Compression: The Actual Difference

Lossy compression throws data away for smaller files; lossless keeps every bit. Here's how each works, which formats use which, and when to pick each.

Pixel art owl reading a security quest scroll beside a locked PDF file with a padlock and password stars, next to a castle gate chained shut and a warning that password protection alone isn't enough

TechSeptember 7, 20266 min

Does Password-Protecting a PDF Actually Make It Secure?

A PDF password can mean real encryption or a flimsy lock, depending on the setting. Learn the difference and how to protect a PDF properly.

Pixel art owl inspecting a PDF file icon with a magnifying glass while a skull-and-crossbones warning hovers nearby

TechSeptember 5, 20266 min

Can PDFs Contain Viruses or Malware?

Yes, PDFs can carry malware, but usually not the way people assume. Learn how PDF exploits actually work and how to open one safely.

Pixel-art owl looking at a vector mountain scene in an SVG file and its pixelated copy in a PNG under a magnifying glass

TechAugust 27, 20265 min

What Happens When You Convert an SVG to PNG

The three things that decide your PNG: how the size is worked out, why the fonts vanish, and what gets stripped out of the file first.

Pixel art owl watching a 100 MB folder of photos, music, and documents shrink to only 96 MB after being zipped

TechAugust 21, 20264 min

Why Don't ZIP Files Compress Much?

Zipping a folder of photos or videos barely shrinks it. Here's why ZIP finds almost nothing left to squeeze from files that are already compressed.

Pixel art owl at a laptop with a settings panel showing format, codec, resolution, bitrate, and frame rate for video compression

TechAugust 18, 20266 min

Best Video Compression Settings Explained

Resolution, bitrate, codec, and frame rate: the settings that actually shrink a video file, what to pick for each, and what to leave alone.

Pixel art ConvertOwl mascot giving a thumbs up next to a laptop, surrounded by PDF, JPG, MP4, MP3, PNG, DOCX, ZIP, and WEBP file icons

TechAugust 18, 20265 min

What Makes the Best Free File Converter?

Not every free converter is actually free or actually safe. Here's what to check before you upload a file: privacy, limits, ads, and real cost.

Pixel art iPhone taking a photo that saves as a HEIC file icon instead of a JPG

TechAugust 1, 20265 min

Why Are iPhone Photos HEIC Instead of JPG?

iPhones save photos as HEIC by default to save storage space. Here's why Apple made that switch, what it breaks, and how to fix it.