Who is Pinyin Annotator for?

Pinyin Annotator is an open-source project built for chinese language learners and readers of Chinese web content.

What platforms does Pinyin Annotator run on?

Pinyin Annotator runs on the web, the command line, and embeddable surfaces.

Is Pinyin Annotator still maintained?

Unverified. Pinyin Annotator has not been re-checked since it entered the index, so there is no finding either way — and only a positive finding would say otherwise.

What projects are similar to Pinyin Annotator?

Similar projects tracked by PulseGate include Hashrate Lens, SaveAI, and Codex File Drop.

Who makes Pinyin Annotator?

Pinyin Annotator is developed by fixicelo.

How long has Pinyin Annotator been around?

Pinyin Annotator first shipped in 2024.

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Pinyin Annotator

Name: Pinyin Annotator
Author: fixicelo

github.comInfrastructure

Pinyin Annotator is an open-source browser extension that adds Hanyu Pinyin annotations to Chinese characters on web pages and in video closed captions. It supports major browsers and is intended for Chinese language learners and readers.

Open SourceWebCLIEmbeddable

Visit github.com

Overview

7 features

In the Browser DevTools & extensions space, Pinyin Annotator takes a focused approach. It focuses on reading Chinese characters in web pages and video captions without knowing their pronunciation. Pinyin Annotator is an open-source project aimed at chinese language learners and readers of Chinese web content. Pinyin Annotator is open source under the Open Source license. Pinyin Annotator is available on the web, the command line, and embeddable surfaces.

Behind Pinyin Annotator is fixicelo, and it first shipped in 2024. Key capabilities include pinyin overlays, web page annotation, and video caption annotation.

Pinyin overlays
Web page annotation
Video caption annotation
Chinese character reading
Chrome support
Firefox support
Edge support

Built with & integrations

Runs on

BrowserCLIEmbeddable

Trust & compliance

License

Open Source

Verified signals

HTTPSPrivacy PolicyOpen SourceFree tierStore-verified publisher

Legal

Indexing history

What PulseGate has recorded for this listing

Indexed10 Sept · 00:56 UTC
Pinyin Annotator verified via Firefox Add-ons
Source: Firefox Add-ons · Open

Frequently asked questions about Pinyin Annotator

What is Pinyin Annotator?: Pinyin Annotator focuses on reading Chinese characters in web pages and video captions without knowing their pronunciation. It is catalogued under Browser DevTools & extensions on PulseGate.
Who is Pinyin Annotator for?: Pinyin Annotator is an open-source project built for chinese language learners and readers of Chinese web content.
Does Pinyin Annotator have a free plan?: Yes — Pinyin Annotator is open source under the Open Source license and free to use.
What platforms does Pinyin Annotator run on?: Pinyin Annotator runs on the web, the command line, and embeddable surfaces.
Is Pinyin Annotator still maintained?: Unverified. Pinyin Annotator has not been re-checked since it entered the index, so there is no finding either way — and only a positive finding would say otherwise.
What projects are similar to Pinyin Annotator?: Similar projects tracked by PulseGate include Hashrate Lens, SaveAI, and Codex File Drop.Hashrate Lens SaveAI Codex File Drop
Who makes Pinyin Annotator?: Pinyin Annotator is developed by fixicelo.
How long has Pinyin Annotator been around?: Pinyin Annotator first shipped in 2024.

At a glance

Pricing: Open Source
Platforms: Web · CLI
Languages: English
License: Open Source
Built for: Chinese language learners and readers of Chinese web content
Model: Open source
Solves: Reading Chinese characters in web pages and video captions without knowing their pronunciation.

Registered as

Chrome Web Store: ajacnabcdcbcdoijcakhgglokndlnpak
Firefox Add-ons: pinyin-annotator

Developer

fixicelo

Index record

Indexed: 10 Sept 2026
Lifecycle: Alive
Last seen: 10 Sept 2026

Identity audit (13)

Slug: pinyin-annotator-github-com
Lifecycle state recorded: 10 Sept 2026
Verification state: Indexed for public listing
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 10 Sept 2026
Timeline basis: Indexed-at chronology. This listing's first-seen date was written by the catalog backfill, not observed here, so it is not treated as a sighting.
Name from: Derived from the project's own page and URL.
Category from: Assigned by a language model.
Summary from: Taken from the project's own store listing.
Languages from: Detected by a language model, checked against the page's own declaration.
Last updated: 10 Sept 2026
Canonical URL: https://github.com/fixicelo/pinyin-annotator

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