Leak Response Playbook & Incident Checklist
Generate a first-hour incident checklist when content leaks: preserve evidence, check similarity, and recover subscriber IDs.
← Back to FoddoImage comparison
Image Similarity Checker Online
Drop two images to compare visual similarity, detect crops, re-encodes, and edits in your browser without uploads.
Client-side perceptual hashing (pHash & dHash) in your browser.
Clear similarity verdict for re-encodes, crops, edits, and different files.
Local comparison: images never upload to external servers.
Detecting whether a suspect file matches an original photo requires perceptual image comparison. Re-saving, cropping, resizing, and platform compression change raw file bytes while keeping the visual structure intact.
This free online image similarity checker compares two images side-by-side using client-side perceptual hashing (pHash and dHash) algorithms directly in your browser. It calculates Hamming distance and tells you whether the files are visual matches, modified variations, or entirely unrelated.
Because all image decoding and hash calculations run locally, your photos never leave your browser. For digital artists and photographers investigating leaked media, visual matching confirms whether a file warrants deeper forensic watermark recovery with Foddo Inspect.
Image comparison
Leak Image Similarity Checker
Compare your original file against a suspect leak locally in your browser. Visual match helps you decide whether Inspect is worth running next.
Your original
Drop JPG, PNG, or WEBP here
Suspect leak
Drop JPG, PNG, or WEBP here
Comparison uses perceptual hashes computed in your browser. Images never leave your device.
Workflow Upgrade
Move from one-off checks to repeatable protected delivery
Visual comparison is step one in a leak investigation. Close visual fingerprints suggest the same image, useful to decide whether Inspect is worth trying next. Similarity alone does not identify which subscriber leaked.
See how Foddo fits after this toolRead related guideExplore full workflow mapRemove EXIF Data & GPS from Photos Online
Remove EXIF, GPS, and camera metadata from photos right in your browser. Free, with no uploads.
Add Watermark to Image Online: Free Watermark Maker
Add custom text watermarks to images online with live opacity and placement controls, then export locally.
Social Media Image Resizer & Crop Online
Resize and crop images for Instagram, X, Patreon, and web platforms in your browser, with no uploads.
Subscriber CSV Validator & Formatter Online
Validate recipient CSV lists for batch delivery. Catch duplicate IDs and unsafe characters locally.
Invisible Watermark Survival Simulator
Pick the right invisible watermark method for your delivery scenario with honest survival limits.
Content Delivery Readiness Checklist & Score
Track your pre-release checklist across metadata, watermark, license, and CSV tools.
Content License Notice & Rights Generator
Generate license text, metadata-safe fields, and filename conventions for premium content delivery.