Resize a whole batch
Set maximum or exact dimensions, or resize by percentage.
Batch image and document processing
Compress, resize & convert
hundreds of photos offline.
Lightning-fast batch image processing with 100% local privacy — zero ads, zero cloud uploads, and zero quality loss.
Files are processed on your device, not uploaded.
What you can do
Everything you need.
In one batch.
Simple tools for getting your images and documents ready.
Compress & convert
Adjust quality and convert between JPEG, PNG, and WebP.
PDF & ZIP tools
Import PDFs and ZIPs. Export batches as PDFs or ZIPs, with optional passwords.
Edit & watermark
Add text watermarks, crop, rotate, and flip images.
Manage metadata
Review image metadata and choose whether to keep supported EXIF details.
Rename in one go
Give a batch a consistent name with prefixes, suffixes, and sequence numbers.
GIFs import as frames. Windows also supports BMP and HEIC/HEIF.
Available now
Choose your
platform.
Available today for Android and Windows. Choose a platform to get started.
For Android
Picslim for Android
Process image and document batches on your phone. Requirements: Android 7.0 and later (100% Free).
- Open or share files with Picslim
- Process batches in the background
Privacy detail: The Android app requests no Internet permission.
Get it on Google PlayFor Windows
Picslim for Windows
Drag and drop files from your PC, then save the finished batch. Requirements: Windows 10 / 11 (x64 & ARM).
- Supports BMP and HEIC/HEIF
- Store version integrates with File Explorer
Pricing: Free download with optional support purchase.
Get it on Microsoft StorePrivacy
Your files stay
on your device.
Picslim processes files locally in its Android and Windows apps. Files are not uploaded to a cloud service for processing.
On Android, Picslim requests no Internet permission. On both platforms, you choose whether supported EXIF metadata is kept.
Read our privacy policyWhat can I do with Picslim?
Resize, compress, and convert supported images; add text watermarks; crop, rotate, and flip images; rename batches; inspect metadata; and work with PDF and ZIP files.
Which image formats are supported?
Export as JPEG, PNG, or WebP. GIFs import as individual frames. Windows also supports BMP and HEIC/HEIF; some PCs may need Microsoft's HEIF Image Extensions.
Are my files uploaded for processing?
No. Picslim processes your files locally in the Android or Windows app; they are not uploaded to a cloud service for processing.
Is Picslim available on my device?
Picslim is available for Android 7.0 and later, and for Windows. On Android, select or share files from your phone. On Windows, drag and drop files; the Store version also integrates with File Explorer's Open with menu.
Can I work with PDFs and ZIP files?
Yes. Import PDF pages as images, including password-protected PDFs, and add supported images from ZIP files to a batch. Export images as a single multi-page or individual PDFs—with A4 or fit-to-image sizing—or bundle them into a ZIP. You can password-protect PDF and ZIP exports, and open protected PDFs and encrypted ZIPs with their password.