Private by design
Slim has no servers. Photos and videos never leave your phone. No account, no sign-up, no cloud.
Photo & video compressor for iPhone
Free up storage.
Keep quality.
Slim compresses your photos and videos right on your iPhone, cutting file sizes by 50–80% while keeping them looking great.
Android · Coming soon
- Free to try
- No account
- 100% on-device
Screenshots
Why Slim
Gigabytes back.
Memories kept.
Keeps the details
Dates, locations, camera metadata and Live Photos stay intact.
Big savings on video
Modern HEVC compression gives huge savings on 4K clips.
See savings first
Know exactly how much space you’ll get back before you start. Newest, biggest files go first.
Clear the clutter
Finds similar and duplicate photos, so you can tidy up too.
Nothing deleted silently
Originals go to Recently Deleted through the standard iOS confirmation, recoverable for 30 days.
How it works
Three taps to more space.
Pick
Choose an album, or your whole library.
Choose a tier
Safe, Smart or Maximum. Smart is recommended.
Get space back
Watch the gigabytes come back. That’s it.
Is Slim free?
Slim is free to try: compress up to 1 GB of savings at no cost. Slim Pro unlocks unlimited compression, as a monthly or annual subscription or a one-time lifetime purchase.
Are my photos uploaded anywhere?
No. All processing happens on your iPhone using Apple’s own frameworks. Slim has no servers and no account.
What happens to my originals?
After compressing, Slim moves the originals to Recently Deleted through the standard iOS confirmation. They stay recoverable for 30 days. Empty Recently Deleted in Photos to free the space.
Which devices are supported?
iPhone with iOS 16.4 or later. An Android version is coming soon.
Storage almost full?
Slim fixes it in minutes, without deleting a single memory.