ExtSpot
RateSync - Sync Letterboxd Rating to IMDb icon

RateSync Chrome Extension Analysis

Niche Lifestyle & Gaming Hacks

Store listing title: RateSync - Sync Letterboxd Rating to IMDb

Chrome extension ID: minapgbiapomjkomabfidjpkbdbnddmg

RateSync is a browser extension that automatically pushes ratings from Letterboxd to IMDb in the background. It converts Letterboxd's 5-star rating system to IMDb's 10-point scale and requires users to be logged into their IMDb account in the same browser profile.

Developer:Tarnished
Version:1.5.0
Size:130KiB
Last updated:
View developer profile
External:Chrome Web Store

Overview

Installs

4

Rating

★ —

0 reviews

Languages

1 locales

Includes English

Market analysis

Review-backed positioning, friction, and market signals for this Chrome extension.

No review samples found

Macro category

Niche Lifestyle & Gaming Hacks

Pricing friction

Low review signal

Complaint intensity

Low review signal

Listing & review signals
Observed signals from store listing text and review samples.

Listing positioning

RateSync positions itself as a seamless utility for film enthusiasts who use both Letterboxd and IMDb. It emphasizes convenience by automating the synchronization of movie ratings, eliminating the need for redundant data entry.

Inferred product pattern

Client-side automation utility using existing browser sessions for third-party API interaction.

Review-backed pain points

Review-backed data is not available.

Observed feature gaps

Requires an optional manual setup of a TMDb API token for certain films, which may be a barrier for non-technical users.

Tags
LetterboxdIMDbFilm SyncAutomationRating Manager
Target users

- Film buffs

- Letterboxd users

- IMDb users

- Data enthusiasts

Primary use cases

- Syncing film ratings

- Managing movie reviews across platforms

- Automating cross-platform movie tracking

Positive themes

No positive theme data.

Negative themes

No negative theme data.

Observed friction

- The extension is free to use. There is no pricing friction.

Evidence boundary: The information is derived from the extension's provided manifest and long-form description. No user reviews are currently available. The analysis is based solely on developer-provided claims; there is no third-party verification or user feedback to confirm performance or reliability.
Complaint summaries
Review-backed complaint signals grouped by operational area.

Support

Review-backed data is not available.

Reliability

Review-backed data is not available.

Privacy

Review-backed data is not available.

Access & pricing

- Free usage observed

- Login needed for core features

- Free plan or free usage claimed

Store listing facts

Listing assets

- Screenshots: 5

- Videos: 0

- Languages: 1

Trust signals

- Privacy policy

- Developer contact

Store metadata

- Version: 1.5.0

- Size: 130KiB

- Last updated:

Store description excerpt
Short excerpt from the public Chrome Web Store listing; full copy is available on the official store page.
RateSync bridges Letterboxd and IMDb — the two most popular film platforms — so you never have to rate a film twice. The moment you rate a film on Letterboxd, RateSync automatically submits the same rating to your IMDb account in the background. No extra clicks, no switching tabs, no copy-pasting. Just rate once and you're done on both. How It Works You rate a film on Letterboxd (from the film page or the log/diary dialog) RateSync detects the rating in the background It looks up the film's IMDb ID via Letterboxd's film data It submits the equivalent rating to IMDb using your existing IMDb session The sync is logged in the extension popup — green for success, red for failure Letterboxd uses a 5-star (0.5 increments) scale. RateSync converts this to IMDb's 10-point scale automatically. Features Automatic — works silently in the background, no interaction needed Sync log — view your recen…

Listing SEO keywords

Search intent keywords
Keyword signals for evaluating how users may discover, compare, or search for this extension category.

Core discovery

sync Letterboxd to IMDbLetterboxd automationIMDb rating syncmovie database sync

Comparison

Letterboxd vs IMDbsync film ratings

Problem

rate movie twiceIMDb manual entry

Alternative

film catalog toolsLetterboxd tools

Similar extensions

Jump to related discovery paths:

More in entertainmentMore from this developer

FAQ

What is RateSync mainly used for?
RateSync is a browser extension that automatically pushes ratings from Letterboxd to IMDb in the background. It converts Letterboxd's 5-star rating system to IMDb's 10-point scale and requires users to be logged into their IMDb account in the same browser profile.
What market signals stand out?
Early or small audience with limited review base. Last known update: 04/24/2026.
What should builders compare before entering this space?
Compare install concentration, rating quality, update recency, screenshots, developer portfolio, listing claims, and review-backed friction signals.
Is this page review-backed?
No review samples found. This page combines store metadata with selected review signals, while raw store metrics remain visible for comparison.

Screenshots

RateSync - Sync Letterboxd Rating to IMDb screenshot
RateSync - Sync Letterboxd Rating to IMDb screenshot
RateSync - Sync Letterboxd Rating to IMDb screenshot
RateSync - Sync Letterboxd Rating to IMDb screenshot
RateSync - Sync Letterboxd Rating to IMDb screenshot

Links

Privacy policy: https://pastebin.com/hqDHXya8

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