All extensions

Checks AI answers for fabricated references, leaked data, and unverified claims before you trust them.

HAR Sanitizer — Redact Secrets Locally

Redact cookies, tokens, passwords and personal data from HAR files before you share them. 100% local — nothing is ever uploaded.

HashedSignals — AI Signal Intelligence

Live BigQuery dashboard + AI chat for your ecommerce signals. Ask questions, get answers from your first-party data.

HB font 字体上传

iconfont字体上传至nuwa

HBL Rewards Extractor

One-click scraper that exports all HBL Rewards products to an Excel file, directly from your browser.

hbs2-hub

hbs2-hub issues and pull requests on GitHub pages, for Firefox and Chrome

HeaderCraft Dev - HTTP Header & Request Modifier

Free, local-first MV3 header modifier with auto-disable timers, environment badge, response delay simulation, and rule hit counters.

HeaderCraft: Header & CORS Editor

Fix CORS errors and edit HTTP headers for local development. Minimal permissions, no tracking, no remote code.

HeaderFlow

Add or modify outgoing HTTP request headers.

HeaderForge

Modify HTTP request and response headers. Rules apply instantly, filter by URL, everything stays in local storage.

Header Hub

Secure HTTP header management with zero backend: sync rules via your own Git infrastructure.

Header Modifier

修改 Web 请求的 Headers，支持新增自定义 key/value

Header Modifier Pro

Fast, lightweight HTTP header editor. Supports POST, Fetch, and XHR.

HeaderQuarters

Command your headers. Nothing leaves HQ. Privacy-focused HTTP header modification for Chromium browsers.

Header - Secure HTTP Header Editor

Set, append, or remove HTTP request headers per website. Least-privilege by design: no body access, no header read access.

HeaderVault — Modify HTTP Headers

Modify HTTP request and response headers with profiles and URL filters. Works locally: no network requests, no analytics.

HeaderWright — Modify HTTP Headers

Set and remove HTTP request and response headers by profile; append on request only. No webRequest — it cannot read your traffic.

Headr - Modify HTTP Headers

Modify HTTP request & response headers. Add, edit or remove headers per site with profiles, filters and presets. 100% local.

Hello Extensions of the world!

Base Level Extension

Hệ thống đo tốc độ truy cập Internet

Hệ thống đo tốc độ truy cập internet và theo dõi lưu lượng truy cập thực tế của website. Được phát triển bởi Nhà văn Việt Nam.

Hew Scanner

An extension to scan any token address and check if it is a honeypot or not. A product of 0xHew.

Hex Color Picker - Eyedropper & Color Code Finder

A focused, professional color picking and management tool for web developers.

HF Model Size

Calculate the aggregate size of a Hugging Face model repo

Hide my Mail!

This tool enables you to hide your mail with automatic alias generation using a custom provider.