image resampling algorithm forensic identifier — free browser tool | fatcousin

drop jpeg or png · detect resize · nearest neighbor · bilinear · bicubic · lanczos · estimate scale factor · runs locally

images

drop images

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FFT runs on a downscaled copy (max ~512×512) — honest browser perf cap; subtle resize artifacts on huge images may be missed.

drop jpeg or png · fft resize heuristics

ready