PDF compression
Reduce large PDF documents like reports, scanned files, forms, manuals, and school documents.
Shrinklet
Private compression for PDFs, images, videos, and audio on Mac.
Drag in PDFs, images, videos, or audio, choose Light, Medium, Strong, Maximum, or custom settings, then compress, review, open, and share results from one clean Mac workflow.
✓ Offline PDF, image, video, and audio compression. No uploads needed.
macOS 13.0+
↓ 96% smaller
A polished compressor users can trust
Shrinklet makes PDFs, images, videos, and audio smaller with a clean Mac interface, batch workflows, useful presets, review tools, progress feedback, and clear before-and-after savings.
Image compression
Compress JPG, PNG, TIFF, HEIC, GIF, WebP, and other common images without a complicated workflow.
Video compression
Shrink MP4, MOV, and other macOS-readable video files using practical resolution and frame-rate controls.
Audio compression
Convert supported audio to efficient M4A/AAC output with simple bitrate, sample-rate, and channel settings.
Custom control
Fine-tune image quality, DPI, PDF metadata, video resolution, audio bitrate, output naming, and save location.
Review before sharing
Compare originals and compressed results side by side for PDFs, images, video, and audio before sending anything.
LightBest quality
MediumBalanced
StrongSmaller files
MaximumMost compact
How Shrinklet works
Drag, choose a preset, compress, and save space — all privately on your Mac.
1
Drop files
Start from the large dashed drop zone and add PDFs, images, videos, audio, or a folder.
2
Choose preset
Use the Medium dropdown or switch to Light, Strong, Maximum, or Custom.
3
Compress
Review the pending queue and click Compress to process the whole batch locally.
4
Save or share
Open the compressed file, compare the result, share it from the macOS share sheet, or remove it from the completed list.
Show the value immediately.
The animation explains why Shrinklet is useful: bulky documents, images, videos, and audio files become dramatically smaller while the app shows progress, savings, and before-and-after file sizes clearly.
New York Diaries.pdf
244.6 MB
↓ 96% smaller
244.6 MB
→
3.3 MB
SmallerMaximum batch example
MB savedCompleted batch example
Batch readyPDFs, images, video, and audio together
FocusedLocal Mac workflow
Screenshots from the real app
The website now matches Shrinklet’s latest interface for PDF, image, video, and audio compression.
Start with a clean drop zone
Drop files, add individual files, or add a whole folder from the first screen.
Queue every supported file type
PDFs, images, videos, and audio files can sit together in one batch with clear file icons and pending status.
Choose a simple compression level
Light, Medium, Strong, Maximum, and Custom Settings make the tradeoff easy to understand.
See every file’s savings
Completed batches show original size, compressed size, percentage saved, review, open, share, and remove actions.
Review PDFs side by side
Compare original and compressed PDFs before replacing, sharing, or sending the output.
Check image quality visually
Zoom in and compare edges, text, and detail so users understand the quality tradeoff.
Listen before sharing audio
Audio review uses native playback controls for the original and compressed versions.
Share compressed files quickly
The native macOS share sheet supports AirDrop, Mail, Messages, Notes, and other extensions.
Use advanced compression settings
Power users can adjust presets, image quality, DPI, grayscale conversion, and metadata stripping.
Tune video output
Control max resolution, frame rate, and metadata removal for video compression.
Tune audio output
Choose bitrate, sample rate, mono or stereo output, and metadata stripping.
Built-in help and app details
The settings window includes Help, Statistics, and About tabs so users can learn the workflow without leaving the app.
Frequently asked questions
What files can Shrinklet compress?
PDF documents, common image files, supported video files such as MP4 and MOV, and supported audio files such as MP3, M4A, and WAV.
Does Shrinklet upload my files?
No. Shrinklet is designed for local Mac compression, so your files are processed on your Mac instead of being uploaded to a web service.
What do the presets mean?
Light favors quality, Medium is balanced, Strong makes files smaller, and Maximum prioritizes the smallest practical output size.
Can I compress multiple file types at once?
Yes. Add PDFs, images, videos, audio files, or a folder, then compress the whole batch together.
Can I review the output first?
Yes. Review Result lets users compare PDFs and images side by side and listen to audio before sharing or replacing anything.
Is it hard to use?
No. The core flow is simple: add files, choose a preset, compress, review, and view the saved space.
Make PDFs, images, videos, and audio smaller. Effortlessly.
Download Shrinklet from the Mac App Store and start saving space in a few clicks.
macOS 13.0+