Best Tampermonkey Alternatives in 2026
Chrome's extension purge broke half the userscript managers people still recommend. Here's what runs today on Chrome, Firefox, and Safari, and how to pick between them.
BlogEngineering BlogLatest posts
Engineering Blog
Architecture notes, reliability incidents, browser extension internals, and product engineering lessons from the team building Tweeks.
Tweeks vs. Tampermonkey: Which Website Customization Tool Fits You?
Tampermonkey is built for managing userscripts directly. Tweeks keeps userscript compatibility while adding plain-English creation, editing, sharing, and discovery.
Email Automations From Any Website With TW_email
Use TW_email in tweeks to send yourself website-triggered email alerts, reports, reminders, and workflow notifications.
Fixing Intermittent Auth Failures in Chrome Manifest V3
The fix was architectural: IndexedDB as canonical auth state, read-time refresh, and serialized refresh to prevent token-rotation races in Manifest V3.