Features & Highlights
100% Local-Only Scans
All file indices, names, paths, and content hashes are evaluated in-memory on your device. Absolutely nothing is ever uploaded to a server or external database.
High-Performance Hashing
Utilizes ultra-fast, local SHA-256 byte comparisons to index and match matching duplicates across photos, videos, audio documents, and archive types.
Multi-Platform Integration
Compatible across Android (API 30+), iOS/iPadOS sandboxes, Windows, macOS, and Docker containers with mapped volumes.
Granular Control & Safety
Reviews duplicate matches in real-time. No destructive write or deletion commands are executed without explicit user confirmation.
Technical Specs
- Supported OS: Android 11+, iOS 15+, macOS 12+, Windows 10+, Docker Engine 20.10+
- Supported Filesystems: APFS, NTFS, ext4, FAT32, exFAT
- Security Framework: Client-side browser sandboxing, sandboxed mobile runtimes, strict CSP compliance
- Memory Usage: Low overhead local indexing (typically < 50MB RAM during comparison phase)
Supported File Types
Space Saver can identify and safely process duplicate copies of the following file formats:
- Photos & Images: JPEG, PNG, WEBP, HEIC, GIF, RAW, TIFF, BMP
- Videos & Movies: MP4, WebM, MKV, AVI, MOV, M4V, FLV
- Audio & Music: MP3, WAV, FLAC, AAC, M4A, OGG, WMA
- Documents & Files: PDF, DOCX, XLSX, PPTX, TXT, RTF, HTML, CSV
- Archives & Backups: ZIP, RAR, 7Z, TAR, GZ, ISO
Downloads & Releases
Available soon for Windows and the Cloud.
Download the direct installer for macOS below.
| Platform | Distribution Format | Action | SHA-256 Checksum Verification / Command |
|---|---|---|---|
| macOS | Direct Notarized Installer (`.dmg`) | Download .dmg | 87063b728a908093f635d560adde0d71554027d8988a89047a45d8d09fc5175f |
Learn More & Support
Explore resources or contact our developer team if you have any questions.