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JishoKey

mozilla.orgLanguage learning

PulseGate's liveness check found it on 19 Sep 2026; it is registered on Firefox Add-ons and has been in the index since 19 Sep 2026. How this is checked

JishoKey is a Firefox browser extension that provides Japanese word lookups through Jisho.org. Users can trigger definitions with a customizable hotkey while hovering over text or search selected text through the context menu.

Inferred · not functionally tested

FreeWebEmbeddable
JishoKey preview
Visit mozilla.org
3alternatives
7features
2025since

Overview

6 features

Purpose: Looking up Japanese words while reading online without leaving the browser.

Inferred · not functionally tested

Audience: Japanese language learners and readers of Japanese web content

Inferred · not functionally tested

Functions: Unknown

Interfaces: API: indicated (inferred, not tested) · MCP: unknown · CLI: unknown · Self-hosting: unknown

Recorded constraints: pricing: free · license: Proprietary · platforms: WEB · deployment: browser, embeddable

Constraint provenance is unknown; confirm requirements with the publisher.

Record sources: addons.mozilla.org · addons.mozilla.org. These links do not verify the individual claims.

JishoKey sits in PulseGate's Language learning category. Inferred · not functionally tested: It focuses on looking up Japanese words while reading online without leaving the browser. Inferred · not functionally tested: It is built as a consumer product for japanese language learners and readers of Japanese web content. Basis unknown · not verified: It is available for free. Basis unknown · not verified: It runs on the web and embeddable surfaces.

Osha Permadi builds and maintains JishoKey, and it first shipped in 2025. Inferred · not functionally tested: Among its 6 catalogued features are instant lookups, custom hotkey, and context menu search. The interface is available in 32 languages, including Czech, German, and Greek. Inferred · not functionally tested: Catalogued interfaces include a public API.

Summary written by a language model from the project’s public pages.

Tasks: Inferred · not functionally tested

  • Instant lookups
  • Custom hotkey
  • Context menu search
  • Definition popups
  • Japanese readings
  • Parts of speech

Topics: Inferred · not functionally tested

Tags
japanese-dictionaryfirefox-extensionlanguage-learningjisho-api

JSON profile · Text profile · Access guide

Built with & integrations

Connectors
API
Runs on
BrowserEmbeddable

Trust & compliance

Public signals
HTTPSPrivacy PolicyTerms of ServiceFree tierMulti-languageStore listing found
Legal
Privacy Policy Terms of Service

Indexing history

1

What PulseGate has recorded for this listing

  1. Indexed19 Sep · 15:34 UTC
    JishoKey seen via Firefox Add-ons
    Source: Firefox Add-ons · Open

Frequently asked questions about JishoKey

What does JishoKey do?
Inferred · not functionally tested: JishoKey focuses on looking up Japanese words while reading online without leaving the browser. It is catalogued under Language learning on PulseGate.
Who is JishoKey for?
Inferred · not functionally tested: JishoKey is a consumer product built for japanese language learners and readers of Japanese web content.
Is JishoKey free?
Basis unknown · not verified: Yes — JishoKey is free to use.
What platforms does JishoKey run on?
Basis unknown · not verified: JishoKey runs on the web and embeddable surfaces.
Is JishoKey still active?
PulseGate's liveness check found it on 19 Sep 2026.
What projects are similar to JishoKey?
Similar projects tracked by PulseGate include Quick Jisho Lookup, Jisho Lookup, and Search Jisho.Quick Jisho LookupJisho LookupSearch Jisho
Who makes JishoKey?
JishoKey is developed by Osha Permadi.
When did JishoKey launch?
JishoKey first shipped in 2025.

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