All extensions

Paste text for MD5 and SHA-256 digests plus Base64 and URL encode/decode. 100% local, zero permissions.

Haskell Search Extension

The search extension for Haskell language's packages and functions.

HAWES Server Finder 1.0

Fetches the IP address of the HAWES server on the local network and loads the HAWES portal

HAWES Server Finder 1.0

Fetches the IP address of the HAWES server on the local network and loads the HAWES portal

Header Assistant

Simple, low-overhead request header editor. Add, overwrite, or strip HTTP request headers.

HeaderHermit — Header Editor & API Mock

Switch HTTP request and response headers by profile, and mock JSON APIs. Makes no network requests of its own.

Header Master

Real-time HTTP request header manipulation for advanced web testing and proxy simulation. Built by Txyber.

Heading Highlighter – SEO Heading Checker

Highlight H1–H6 headings in color and check your page's heading structure for SEO.

Headliner — Custom Request Header

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

Healthy Contribution Bar

Rethink how you track GitHub contributions. Replace anxiety-inducing green squares with healthier, more meaningful visualizations.…

Helios Status

Cumulus Helios Health Status

Help Me To Fill Intacct

Helps to synchronize time billed in Azure DevOps and Intacct.

HelpyTools Companion

Send selections, tables, articles, images, colours or page wireframes to HelpyTools; smart-open links; make real HTTP requests.

Hermes LED Controller

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

Highlight All Links

Tô vàng tất cả liên kết trong trang web.

HIT — Happenings Issue Tracker

Report platform issues from any Happenings web application

HonestSiteAudit — Marketing Claims & Dark Pattern Checker

Marketing claims & dark pattern checker: flags wording regulators commonly scrutinize, with the real enforcement case behind it.

Hook Tabs

Search, find, close and pin your Chrome tabs and bookmarks from one place.

4.06

Hreflang Checker

Hreflang broken? Know in seconds. Checks return links, locale codes, 404s, canonicals, noindex conflicts. Free, no login required.

HTA Text Extractor

HTA 文本提取器

HTML-in-Canvas Shader

Snapshot the page with the experimental drawElement() API and apply a custom WebGL fragment shader on top.

HTML Validator Extension

로컬호스트 HTML 검사기

HTTPaste

Stop screenshotting network requests. Share HTTP request details with a single click and debug faster.

httpOwl

Detect and run httpyac-style HTTP requests directly from any webpage.