Similar Image Finder (SIF) is a privacy-friendly Android application that helps users identify and review visually similar images within a selected folder. Using perceptual hashing (pHash), the app compares image pairs based on user-defined similarity thresholds, making it easy to sort out duplicate or near-duplicate photos.
All image comparisons are performed locally – no data leaves your device.
If you like my app you can buy me a coffee ☕
- 🔍 Search for similar images: Choose a folder to scan for images (subfolders are excluded).
- 🎚 Set Similarity Threshold: Define the minimum similarity (e.g., 70%) for image comparisons.
- 👁 Compare Pairs Easily: View similar image pairs with:
- Overlay slider to fade between images
- Tap to switch between them
- ✅ Mark Unwanted Images: Select images you wish to discard using checkboxes.
- 📂 Safe Deletion Workflow: Marked images are moved to a subfolder named
delete- 🚫 The app does not permanently delete files (manual cleanup by user)
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Step 1. Link to my GitHub Page 😄 Step 2. Choose a folder containing at least 2 images Step 3. Set the similarity threshold Step 4. Start the search |
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Step 1. Cancel search, if needed Step 2. Wait for the search process to finish |
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Click on the results to open the compare screen |
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Step 1. Use the slider to overlay images Step 2. Select the checkboxe of the image you want to move to the delete folder Step 3. Tap on the image to toggle between the images Step 4. Tap on the button to move the selected image(s) to the delete folder |
SIF only requests the minimum necessary permissions:
- File access: To read images from user-selected folders and move files.
- Notifications (optional): To provide feedback during longer operations.
This app is licensed under the GNU GPL v3.0.
You are free to use, modify, and distribute it as long as:
- The source code remains available
- Any changes are published under the same license
- Original authors are credited
See LICENSE for details.
Found a bug or have a suggestion? Feel free to open an issue.
- Image comparison inspired by aetilius/pHash, originally written in C++ and licensed under GPL-3.0.