All extensions

A calm, private habit & mood tracker. Build habits securely and visualize progress with end-to-end encryption.

HaHaHa Flashcard

웹에서 영어 단어와 문장을 플래시카드 그룹에 저장하세요

Hajimi Timeline Navigator

Adds a right-side timeline for navigating user prompts in Gemini conversations.

Hakoniwa — ドット絵の水槽

新規タブが小さなドット絵の水槽になります。えさをやると魚が集まり、1分ごとに顔ぶれが少しずつ変わります。

Halo Glow

🎬 Video & Media

A soft ambient glow behind the YouTube player, sampled from the playing video.

Hanki Anki Helper - Draft Notes for Anki

A browser extension that lets you draft flashcard notes directly in the browser and sync them to Anki later.

Hannari

Adds furigana (hiragana or romaji readings) over kanji on Japanese web pages.

Hans Highlight

Hans Highlight: A Dynamic Text Highlighting Chrome Extension

Hao Asakura

Anh trai tiền kiếp của Yoh, phản diện mạnh mẽ muốn tái sinh thế giới theo lý tưởng riêng.

Hard Refresh Button

🧑‍💻 Developer Tools

1-Click hard refresh button to reload any webpage with complete cache bypass (Ctrl+F5) instantly.

Hash & Encode Tool

🧑‍💻 Developer Tools

Hash and encode tool for MD5, SHA-256, Base64, URL encoding, JWT. Free, instant, no account needed.

HB Harvest Time Tracker for Google Calendar

Seamlessly integrate Harvest time tracking with Google Calendar events. Create time entries directly from your calendar appointments

HCTG+

🧑‍💻 Developer Tools

better game.hackclub.com

Health3 Biomarker Unit Converter

Convert biomarker lab values between units (mg/dL ↔ mmol/L, ng/mL ↔ nmol/L, and more). Free tool by Health3.

Hedgehog fly insects

The interface is an image of a fly landing on a blue flower and sucking nectar

HEDR Support desk

Rychlé zadání support ticketu přímo z prohlížeče.

HelloAsso No Donation

Automatically sets HelloAsso donation to 0.

Hell Warrior

A heavily armored warrior clad in spiked, battle-worn steel tinged with army green.

HelpMyVisa - France-Visas AutoFill

Auto-fill the France-Visas application form using your HelpMyVisa prepared answers.

HERALD

Compose a share for the page you are on and open it on the network you choose. It opens compose pages, it does not post for you.

Herds: The AI Event Scanner

AI-powered event scanning. Capture event info from any webpage and auto-add it to your calendar.

heybriz

Voice control your browser. Say what you want and watch it happen in the tab you are on.

HighCite

Highlight a citation and convert it to BibTeX with one click. No API key required.

Highlight Ads Detector – Not an Ad Blocker

See every ad on the page. Ad detector that outlines slots with a bold overlay, not an ad blocker.