- 1Choose file
- 2Adjust
- 3Download
dHash Image Hash online, free
pHash / dHash / aHash to find near-duplicates across a batch.
- Runs in your browser — no upload
- Free, no sign-up, no watermark
- JPEG
- PNG
- WebP
- AVIF
- GIF
- BMP
- TIFF
- HEIC / HEIF
Set up on this page
- Algorithm: dhash
How to use Perceptual Image Hash · Perceptual Image Hash — frequently asked questions
How to use dHash Image Hash
- 1
Add your file
Drop a file on the page or click Select Files.
- 2
Check the preset
Algorithm is set to dhash. You can change it before running.
- 3
Run the tool
Press start. Processing happens on your device.
- 4
Save the result
The result is delivered as JSON.
What Perceptual Image Hash can do
- Algorithm: phash, dhash and ahash
- Private by design — files are processed in your browser and never uploaded
- Batch processing — up to 500 files at once
- Free with no sign-up, no watermark and no daily limit
Perceptual Image Hash — frequently asked questions
What does this page set for dHash Image Hash?
Algorithm: dhash. All of these stay editable.
Is my file uploaded?
No. On the web this tool runs in your browser, so your file is not uploaded.
Are there limits?
You can add up to 500 files in one run. Server jobs accept up to 2 GB. A job can run for up to 120 seconds. In the browser, the practical limit is your device's memory.
Is Perceptual Image Hash really free?
Yes. Perceptual Image Hash is free forever on Sada Files — no ads, no premium tier, no watermark, no daily cap that pushes you to pay. Every option on this page is available to everyone.
Do I need to sign up or create an account?
No. There is no account system at Sada Files. Open the page, drop your file, pick your options and save the result. History and saved workflows stay on your device.
Related tools
- Find Duplicate ImagesUpload a folder and group visually identical or similar images.
- Compare ImagesSide-by-side slider, difference heatmap and a similarity score.
- Color Palette ExtractorDominant colours as HEX, RGB and HSL — export CSS variables, Tailwind config or an ASE swatch.
- Color Picker from ImageClick any pixel to get its colour, or average a region.
- Edit Image MetadataSet author, copyright, title, GPS and dates.
- View EXIF / MetadataCamera, lens, exposure, GPS on a map, dates, ICC and XMP — all read on your device.
- Image Dimensions CheckerCheck pixel width, height, simplified aspect ratio, orientation and file size for up to 500 images in one report.
- Image Histogram ViewerCount red, green, blue, luminance and alpha values for every image in a batch. Download a JSON report with 256 bins per channel. Includes SVG charts.

