OpenCookie — Local Cookie Editor

Extension Tools14 users

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Overview

Trustworthy, local-only cookie editor for Manifest V3. View, edit, import/export cookies. Zero data upload.

OpenCookie is a trustworthy, local-only cookie editor for Manifest V3. View, edit, add, delete, search, and import/export cookies for the current tab — with zero data upload. Everything stays inside your browser. WHY OPENCOOKIE • Local-only by design. There is no server, no analytics, no tracking, no account. Your cookies never leave your machine. • Open source and auditable. The full source is on GitHub — read exactly what it does. • Minimal permissions. Nothing scary at install: the extension asks for site access only when you grant it, per-site or for all sites, from inside the popup. FEATURES • View all cookies for the current tab, with full attributes. • Add, edit, and delete individual cookies. • Delete all cookies on the page, with a confirmation step. • One-click copy of a cookie's value. • Live search and filter by name or value. • Import / export cookies as JSON — compatible with common cookie tools — via copy, paste, or file. • Light / dark theme, remembered across sessions. PRIVACY No data ever leaves your browser. No remote server, no analytics, no advertising, no third-party sharing. Local storage is used only to remember your light/dark theme preference. Full privacy policy: https://github.com/mq408/OpenCookie/blob/main/PRIVACY.md Open source (MIT): https://github.com/mq408/OpenCookie

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Details

Version
1.0.0
Updated
June 8, 2026
Flag concern
Offered by
mq408
Size
34.81KiB
Languages
English
Developer
Email
mq408280939@gmail.com
Non-trader
This developer has not identified itself as a trader. For consumers in the European Union, please note that consumer rights do not apply to contracts between you and this developer.

Privacy

Manage extensions and learn how they're being used in your organization

The developer has disclosed that it will not collect or use your data. To learn more, see the developer’s privacy policy.

This developer declares that your data is

Not being sold to third parties, outside of the approved use cases
Not being used or transferred for purposes that are unrelated to the item's core functionality
Not being used or transferred to determine creditworthiness or for lending purposes

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