Compress photos, videos & PDFs
right on your iPhone.
SnapSlim is an iPhone and iPad app that compresses photos, videos and PDFs and creates or extracts ZIP files. Compression runs on your device, and your files are never uploaded.
One iPhone app to compress photos, videos and PDFs
Photos, videos, PDFs and ZIP archives — handled on-device, without a single upload.
Photo Compression
- Compress a single photo, or hundreds in bulk with Premium
- Live before/after preview while you set quality
- Presets for WhatsApp, Instagram and email (Premium)
- Convert HEIC, PNG or WebP to JPG in one tap
- Target size (“under 1 MB”) and crop to any ratio (Premium)
Video Compression
- Choose 720p, 1080p or the original resolution
- Three quality levels with estimated output size
- Progress bar and cancel support for long videos
- Rotation and orientation always preserved
- Turn up to 15 seconds of a video into a looping GIF (Premium)
- Remove audio for a silent, even smaller video (Premium)
PDF Compression
- Scanned and image-heavy PDFs benefit most
- Pages are rebuilt as images, so text can't be selected afterwards
- Original page dimensions kept — no added margins
- Already-optimized files are detected, not inflated
- Share or save the result in one tap
- Photos to PDF: merge photos into one PDF, one per page (Premium)
ZIP Tools
- Bundle photos, videos and documents into one ZIP
- Open ZIP archives and extract all or selected files
- Save extracted media straight to Photos
- Works with files from Photos or the Files app
How SnapSlim saves space without uploads
Compression runs on your device, and your files are never uploaded.
Smart Compression
Every file type gets its own tuned settings instead of one blunt preset, and you decide how small the result should be.
Bulk Processing
Compress photos in batches, up to 3 at a time on the free plan and without a limit on Premium, or pack mixed files into one ZIP.
Format Freedom
Opens JPG, PNG, WebP, HEIC and GIF photos; saves as JPG or PNG, plus WebP and GIF with Premium. Video is saved as H.264 + AAC.
Files Stay on Your Device
Compression runs on your device. Your photos, videos and documents are never uploaded.
Shrink the Largest
Find the largest videos and photos in your library, sorted by size, and send them straight to compression. With Premium, delete the originals afterwards; they stay in Recently Deleted for 30 days.
Share From Any App
Send photos, videos, PDFs or ZIPs to SnapSlim straight from Photos, Files or any app's share sheet (Premium).
Drag the line. Judge for yourself.
This photo is compressed hard on purpose, so you can see what changes. In the app you choose the quality and check the same before/after view before you save.
You see the result before you save.
Start free. Go unlimited.
5 operations per day on the free plan. Upgrade for unlimited use plus target size, crop, video to GIF, sharing from other apps and deleting originals.
Prices are shown in your local currency in the App Store before you buy.
Your files stay yours.
SnapSlim processes every photo, video, PDF and archive on your device. Your files are never uploaded, so we never see them. Ads in the free plan and in-app purchases use third-party services, and none of them receive your files.
Frequently asked questions about SnapSlim
Is SnapSlim free?
Yes. SnapSlim is free to download and gives you 5 operations a day on every file type, with JPG and PNG output and up to 3 photos per bulk batch. Premium removes the limits and ads, and unlocks WebP and GIF output, target size, crop, video to GIF, opening files from other apps and deleting originals.
Are my files uploaded to a server?
No. Every photo, video, PDF and ZIP is processed on your iPhone or iPad, and your files are never uploaded. Compression itself needs no internet connection, though items stored only in iCloud must download to your device first. Ads in the free plan and in-app purchases use third-party services, and none of them receive your files.
Which file types can SnapSlim compress?
Photos in JPG, PNG, WebP, HEIC and GIF; videos, saved as MP4 with H.264 video and AAC audio; PDF documents; and ZIP archives, which you can create or extract.
Will my photos lose quality?
You set the quality with a slider and see a live before/after preview before saving. The default is 80; lower values make smaller files, and higher values keep more detail.
How do I free up storage on my iPhone with SnapSlim?
Open Shrink the Largest to see your biggest videos and photos, then compress them. With Premium you can delete the original afterwards. Deleted originals stay in Recently Deleted for 30 days, and the space comes back once they leave that album.
Which devices does SnapSlim support?
SnapSlim runs on iPhone and iPad with iOS 15 or later. It is only available for iOS.
How do I cancel my subscription?
Subscriptions renew automatically and are managed by Apple. You can cancel at any time in Settings → your name → Subscriptions; to avoid the next charge, cancel at least 24 hours before the current period ends. The Lifetime plan is a one-time purchase, so there is nothing to cancel.
How do I compress a video on iPhone?
Open SnapSlim, tap Video Compress and choose a video. Pick Low (720p, smallest file), Medium (1080p, balanced) or High (original resolution); each option shows an estimated output size. SnapSlim saves an MP4 with H.264 video and AAC audio, working on your device without uploading the file. The free plan includes 5 operations a day; Premium is unlimited and can also remove the audio track.
How can I compress a PDF on iPhone without uploading it?
Use an app that compresses on the device instead of a website that receives your file. In SnapSlim, tap PDF Compress, choose the PDF from Files, pick Low, Medium or High and start. Page dimensions stay the same, and scanned or image-heavy PDFs benefit most. SnapSlim rebuilds each page as an image, so text in the compressed copy can't be selected or searched; keep the original if you need that. Password-protected PDFs can't be compressed.
How do I reduce a photo's size for email on iPhone?
In SnapSlim, tap Photo Compress, choose the photo and lower the quality slider (5 to 100, default 80) while checking the live before/after preview. Save or share the result and attach it to your email. The free plan covers this with JPG or PNG output. Premium adds an Email Friendly preset and a target size: choose a limit such as 1 MB and SnapSlim finds the best quality that fits. Photos are compressed on your device and never uploaded.
Does a ZIP make my photos and videos smaller?
Barely. Photos and videos are already compressed, so a ZIP mainly bundles them into one file. To make them smaller, compress them first, then add them to a ZIP.
Is this the same as other apps called SnapSlim?
No. This site is for SnapSlim - File Compressor by Akaya Labs, an iPhone and iPad app that compresses photos, videos and PDFs and creates or extracts ZIP files. Other products also use the name SnapSlim and are not connected to it. On the App Store, this app's ID is 6760120190.
Step-by-step guides: How to compress a video on iPhone · Video too large to send from iPhone
Ready to compress?
Download SnapSlim and start saving space today.