Compress Images, Videos, PDFs on Mac for Free with Dinky

File compression apps tend to fall into two camps: image-only tools that barely touch videos or PDFs, and bloated converters that feel like overkill for quick jobs.
Dinky is a free Mac app that compresses images, videos, audio files, and PDFs without sending anything to the cloud.
You drag something in, pick a format or preset, and get a smaller file back.It also does more than squeeze files blindly.
For images, it converts them into more efficient formats such as WebP, AVIF, HEIC, or lossless P