Are your videos too alike?

Drop the videos you plan to post on different accounts. See how many of their pictures and how much of their sound they share, even when a copy is cut, reordered or mirrored.

Runs in your browser. Nothing is uploaded, no signup.

Video similarityRead on this device
Video A
Video B

Drop two videos you plan to post on different accounts. About two frames a second and the first two minutes of sound are compared, in this tab. Nothing is uploaded.

Watch an example

14 seconds · a made-up example

The studio makes each account its own version — other hook, other pictures, other language — and measures what it shares before it goes out.Join the beta

How it works

Short and checkable: every limit links to the platform's own page, read on 28 Oct 2026.

  1. Pictures, two a second

    Each sampled frame is shrunk to 9 × 8 grey squares and turned into a 64-bit fingerprint (a difference hash). Two frames count as the same picture when 10 bits or fewer differ, so a re-encoded, resized or slightly re-coloured copy still matches. The mirrored frame is fingerprinted too.

  2. In any order

    Every frame of one video is looked for among all the frames of the other. Cutting, re-ordering or speeding up a video doesn't hide it. The share is not always the same both ways: a short clip inside a long video shares a lot, the long one much less. The headline shows the higher of the two.

  3. The sound, at every offset

    The first two minutes of each sound are fingerprinted (energy in 17 bands from 300 to 2,000 Hz every 46 ms, the method of Haitsma and Kalker) and compared at every shift, so the same music or voice found later in the other video still counts.

  4. The 50 % line is ours

    Half of the pictures shared is our line for "the same video"; a fifth is "a big part reused". Platforms publish no number. They do say what they push down: Instagram restricts accounts that mainly repost, and YouTube doesn't monetize reused content.

What it doesn't do

  • A shot filmed again (same idea, new take) is a different picture to it: it compares files, not ideas.
  • Heavy crops, zooms or text covering most of the frame can hide a shared picture. A changed speed or pitch hides the sound.
  • A browser that can't play a file (often an iPhone's HEVC outside Safari and Edge) can't compare it.
  • Nothing is sent or saved. The videos stay in this tab.

Questions

Can I post the same video on two accounts if I flip it or change the order?

Flipping, cutting or re-ordering doesn't make it a new video: this tool still finds the same pictures, mirrored or not, in any order. Instagram cut the reach of accounts that repost content (April 2026) and YouTube's Partner Program excludes reused content.

How does it compare two videos?

About two frames a second are shrunk to a 64-bit picture fingerprint and matched with the other video's frames in any order; the first two minutes of sound are fingerprinted and compared at every offset. Everything runs in your browser: nothing is uploaded.

What does 50 % mean?

Half of one video's pictures are found in the other. That is our line for "the same video", not a platform's: no platform publishes a number.

Sources

  1. 1TechCrunch — Instagram restricts reach of content aggregators30 Apr 2026 · read 28 Oct 2026
  2. 2YouTube Help — Partner Program: inauthentic and reused contentrenamed 15 Jul 2025 · read 28 Oct 2026

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A different video for every account.

Vertiscale makes each account its own version — another hook, angle, pictures or language — and checks how much it shares with the others before it goes out.

Join the private beta Free during the beta, no card.