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Sézame – Prix et marge sur Leboncoin et Vinted

Chrome extension by Sézame · Lifestyle · Shopping

  • Trader

A Chrome extension in Lifestyle · Shopping with 17 users, barely installed. Audience over the last 30 days: +1.

Specific sites only: 4 match patterns.

What the developer says, and 5 screenshots

Loading from the Chrome Web Store. Open the listing if it does not appear.

Users
17
Rating
5.0 (1 ratings)
Users, last 30 days
+1
Rating, last 30 days
Steady over 30 days
Version
1.1.2
Updated in the store
2026-10-13
Published
2026-07-10
Manifest
V3
Browser access
4 permissions, 4 site patterns

How it has moved

Users
+1 since 03.10
11-17 · 13 readings
2026-10-13: released 1.1.2
  1. 2026-10-0411
  2. 2026-10-0813
  3. 2026-10-0914
  4. 2026-10-1013
  5. 2026-10-1814
  6. 2026-10-1915
  7. 2026-10-2116
  8. 2026-10-2217
  9. 2026-10-2416
  10. 2026-10-2713
  11. 2026-10-2916
  12. 2026-11-0117
  13. 2026-11-0217
Rating
unchanged since 03.10
reviewsrating 5.00 · 13 readings
2026-10-13: released 1.1.2
  1. 2026-10-04reviews1rating5.00
  2. 2026-10-08reviews1rating5.00
  3. 2026-10-09reviews1rating5.00
  4. 2026-10-10reviews1rating5.00
  5. 2026-10-18reviews1rating5.00
  6. 2026-10-19reviews1rating5.00
  7. 2026-10-21reviews1rating5.00
  8. 2026-10-22reviews1rating5.00
  9. 2026-10-24reviews1rating5.00
  10. 2026-10-27reviews1rating5.00
  11. 2026-10-29reviews1rating5.00
  12. 2026-11-01reviews1rating5.00
  13. 2026-11-02reviews1rating5.00
Users
+7 since 01.09
10-18 · 25 readings
2026-10-13: released 1.1.2
  1. 2026-09-0110
  2. 2026-09-0212
  3. 2026-09-0411
  4. 2026-09-0610
  5. 2026-09-0811
  6. 2026-09-0912
  7. 2026-09-1513
  8. 2026-09-1616
  9. 2026-09-2018
  10. 2026-09-2217
  11. 2026-09-2514
  12. 2026-09-2616
  13. 2026-10-0411
  14. 2026-10-0813
  15. 2026-10-0914
  16. 2026-10-1013
  17. 2026-10-1814
  18. 2026-10-1915
  19. 2026-10-2116
  20. 2026-10-2217
  21. 2026-10-2416
  22. 2026-10-2713
  23. 2026-10-2916
  24. 2026-11-0117
  25. 2026-11-0217
Rating
unchanged since 01.09
reviewsrating 5.00 · 25 readings
2026-10-13: released 1.1.2
  1. 2026-09-01reviews1rating5.00
  2. 2026-09-02reviews1rating5.00
  3. 2026-09-04reviews1rating5.00
  4. 2026-09-06reviews1rating5.00
  5. 2026-09-08reviews1rating5.00
  6. 2026-09-09reviews1rating5.00
  7. 2026-09-15reviews1rating5.00
  8. 2026-09-16reviews1rating5.00
  9. 2026-09-20reviews1rating5.00
  10. 2026-09-22reviews1rating5.00
  11. 2026-09-25reviews1rating5.00
  12. 2026-09-26reviews1rating5.00
  13. 2026-10-04reviews1rating5.00
  14. 2026-10-08reviews1rating5.00
  15. 2026-10-09reviews1rating5.00
  16. 2026-10-10reviews1rating5.00
  17. 2026-10-18reviews1rating5.00
  18. 2026-10-19reviews1rating5.00
  19. 2026-10-21reviews1rating5.00
  20. 2026-10-22reviews1rating5.00
  21. 2026-10-24reviews1rating5.00
  22. 2026-10-27reviews1rating5.00
  23. 2026-10-29reviews1rating5.00
  24. 2026-11-01reviews1rating5.00
  25. 2026-11-02reviews1rating5.00

A dot marks a day the store showed a different number. Between them the line carries the last one forward: we read every listing up to 2 times a day and record a point only when something moves. History beyond ninety days is in the app.

What it can reach

Specific sites only: 4 match patterns.

  • *://*.leboncoin.fr/*
  • *://*.vinted.fr/*
  • *://*.vinted.com/*
Show the remaining 1
  • https://app.sezame-app.fr/*
  • Sign you in with a Google account identity
  • Act on the current tab, but only after you click it activeTab
  • Open a panel beside the page sidePanel
Show the remaining 1
  • Store data in your browser storage

The full permission history for this extension

Version history

  1. Version 1.1.2 · Changed where it works (changed: pages it runs its code on)

What changed recently

  1. Package size changed
  2. Changed where it works (changed: pages it runs its code on)
  3. Store description rewritten (122 → 101 characters)
Show the remaining 2
  1. Renamed from "Sézame - Estimation & Revente" to "Sézame – Prix et marge sur Leboncoin et Vinted"
  2. Released version 1.1.2 (was 1.1.1)

The publisher

Sézame. Listed website: sezame-app.fr.

Like this one

Listings the catalog judges closest in what they say they do.

  1. FlipPulse - Pour Vinted & Leboncoin Describes nearly the same job, smaller audience 4 users (last published figure)
  2. Chatven Describes nearly the same job, smaller audience 14 users
  3. LeBonDétecteur — Historique des prix pour leboncoin Describes nearly the same job, smaller audience 44 users ★ 5.0
  4. OnceAndSold – Bot Vinted, crosslisting Leboncoin, eBay, Vestiaire Describes nearly the same job, smaller audience 28 users
  5. Analyser avec Kazou Describes nearly the same job, smaller audience 3 users

The top 5 only. The full comparison, with why each one is close, is on the alternatives page; ranking a whole neighbourhood by your own criteria is in the app.

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The badge shows the audience and rating from our last pass over the store and links back to this page.

Users and rating on Ext Ops Panel

Markdown

[![Users and rating on Ext Ops Panel](https://extops.dev/extensions/nnknpjapgmpclaeodjjpplebahedpfia/badge.svg)](https://extops.dev/extensions/nnknpjapgmpclaeodjjpplebahedpfia)

HTML

<a href="https://extops.dev/extensions/nnknpjapgmpclaeodjjpplebahedpfia"><img src="https://extops.dev/extensions/nnknpjapgmpclaeodjjpplebahedpfia/badge.svg" alt="Users and rating on Ext Ops Panel" height="20"></a>

Figures come from our own regular passes over the public Chrome Web Store listing, last read on . The store last changed these figures on 2026-11-01. We publish no contact details for extension developers.

Where the data comes from: how the catalog is built