All extensions

Hash any text, identify an unknown hash type and check hashes on a page. Runs offline in your browser.

HeaderCraft Pro: Fast & Private MV3 Request

Privacy-first, ultra-lightweight API HTTP Header & Query parameter manipulator built on Manifest V3.

HeaderForge

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

Header Injector

Add, override or remove HTTP headers (Authorization, custom...) on hosts matching a regex.

HeaderLint

HTTP security header scanner with A-F grading

Header Tool

Modify request and response headers and redirect URLs. No tracking, no ads, minimal permissions.

HeaderVault

Modify request and response headers per site and per profile. Staging and QA headers never leak to other sites.

Headliner — Custom Request Header

Add custom headers to every request. Type names and values, toggle on. That's it.

Heady

Injection de headers HTTP par groupe d'URL

Heimdall SEO

Instant on-page SEO audit: indexability, meta, headings, images, links, hreflang, structured data — highlighted on the page.

HelloGitty for Chrome

Your GitHub pull requests and issues, sorted by whose move it is, with the count waiting on you in the toolbar.

Hermes LED Controller

Control and monitor your ESP32-based Hermes LED Ring from your browser. Real-time status sync and one-click toggle.

HERO Timesheet Fixed

Log Timesheet Like a HERO fixed

Hex Color Picker

Get and copy hex background color on hover

5.0

Hexopacity

Calculates opacity in hexidecimal format and can be copied to the clipboard.

Hide Timer Genesys Dynamics

Extensao para esconder o timer da Genesys dentro do Dynamics

HMN_Tiện ích hỗ trợ chuyên viên giải quyết BHTN online

Tự động điền thông tin hồ sơ Bảo hiểm thất nghiệp

Học SEO Thực Chiến Online Miễn Phí - Võ Việt Hoàng SEO

Hệ thống video khóa học SEO online miễn phí từ cơ bản đến nâng cao. Chia sẻ kiến thức thực chiến bởi Võ Việt Hoàng SEO.

Hokmah — Architectural Memory for GitHub

Run AI-powered architectural impact analysis on any GitHub repository, powered by mcp.hokmah.dev.

HonePrompt — AI Prompt Optimizer

Requires Pro ($4.99/mo). Hone It inside ChatGPT, Claude, Gemini, Midjourney & 20+ tools. One-click prompt rewrite.

HookCatcher AI

HookCatcher AI is an advanced SOC tool designed to analyze suspicious emails using Google's Gemini AI and VirusTotal API. It…

HoverComp Dev Inspector

Hover-based component inspector with performance profiling and advanced tracking for React, Vue, and Svelte

HTML One-click Preview

Add Preview buttons to HTML code blocks and render the chosen block in a new tab.

HtmlSandbox

Easy to use environment for developing and testing html