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Free AI Face Similarity Checker

Free AI Face Similarity Checker

Compare one reference face against one or many photos. Get ranked AI face similarity scores directly in your browser—free, private and without signing up.

Quick answer: Upload a reference face and one or more comparison photos to get ranked face similarity scores in your browser. Free, private, no account. Also try match percentage and same-person checker modes.

Got a similarity score? Learn how to interpret your similarity score — accuracy, thresholds, and why scores change between photos.

High Accuracy
Fast Processing
Privacy Safe

Reference Face

One photo

Upload Reference Photo

Drag & drop or click to select the face you want to compare against.

Face to Compare

One photo

Upload Comparison Photo

Drag & drop or click to select the second photo to compare.

Ready to compare?

Detect faces and calculate similarity scores locally in your browser

Pro Tips for Best Results

Use clear, well-lit, front-facing faces.

Prefer one clear face per photo.

High-resolution crops beat tiny faces in a group shot.

Illustrated or heavy stylization can lower scores even for the same character.

How it works

  1. Pick a mode: compare two faces, batch compare, match percentage, or same-person check.
  2. Upload a reference face and the comparison photo(s).
  3. Click Compare Faces to run scoring locally and review ranked similarity scores.

Use cases

  • Compare two photos to see how closely the faces match
  • Score one reference face against a batch of candidates
  • Read a face match percentage on a similarity meter
  • Check whether two photos are likely the same person
  • Check LoRA or character consistency across generations

Facial similarity checker online (free)

This facial similarity checker runs entirely in your browser. Upload a reference face, add comparison photos, and read a 0–100 match score—useful for creative QA, AI character consistency, and everyday “how similar?” checks.

It is not legal identity verification. Lighting, angle, age, and illustrated styles can shift scores, so treat results as a ranking signal, not proof of identity.

  • Compare two faces for a quick side-by-side score
  • Batch-rank many photos against one reference
  • Read a face match percentage on a similarity meter
  • Get a same-person likely / unclear / unlikely verdict

Face models and scoring run in your browser. Your photos are not uploaded for this tool. History stays on this device.

Demo video

Frequently asked questions

A face similarity checker compares faces in photos and returns a match percentage. Upload a reference face, add one or more comparison photos, and read ranked scores. Useful for creative QA, not legal ID verification.
Yes. The hub and every mode—compare two, batch, match percentage, and same person—run free in the browser with no account.
Open Compare two faces, upload a reference face and one comparison photo, then click Compare Faces. Scoring runs locally in your browser with no account.
Yes. Open Batch compare, upload one reference, then add a batch of comparison photos. Results sort by similarity score so you can keep the best matches.
Use the Match percentage calculator. Upload two photos and read the similarity meter — a 0–100 match percentage calculated in your browser.
Yes. Open the Same person checker. You get a likely / unclear / unlikely verdict plus the underlying score. It is a creative check, not legal identity verification.
It is a 0–100 readout from embedding distance in your browser—not proof of identity. See our guide on accuracy, thresholds, and limitations to interpret your result.
No. Use the face similarity checker free in the browser.
Yes for this tool — images stay in the browser session and are not sent to TheFluxTrain for scoring. Optional history is stored only on this device.