CrumbKit

ACTIVE

Cookie editor you can trust. Free, open source, no ads.

Launched July 23, 2026

About CrumbKit

A privacy‑first cookie editor for Chrome. Open source (MIT), 100 % local, zero tracking and always free. It lets you view, edit, create, delete and batch‑manage cookies, import/export in multiple formats, see a site‑specific privacy score with tracker breakdown, classify cookies, undo actions, and works offline with dark/light mode support.

Pricing

Pricing information isn't available yet.

Capabilities

View All Cookies

Shows every cookie for the current site with name, value, domain, path and expiry in a clean, fast interface.

Create, Edit & Delete

Full CRUD operations – add new cookies, modify existing values, or delete individual cookies directly from the extension.

Batch Delete + Whitelist

Clear all cookies for a site in one click while a domain whitelist protects important cookies from accidental removal.

Real‑Time Search & Filter

Type to instantly filter cookies, making it easy to locate specific entries among hundreds.

Import & Export

Export cookies to JSON, Netscape (curl/wget), and cURL formats; import from JSON and Netscape files.

Privacy Score

Displays a 0–100 gauge indicating how many trackers are present on a site, with color‑coded visualization.

Cookie Classification

Automatically labels cookies as Essential, Functional, Analytics, Advertising, or Social.

Undo Support

Undo up to 50 recent actions (delete, edit, add) via Ctrl+Z.

Dark & Light Mode

Follows system theme preference with manual toggle available.

Offline Processing

All operations run locally in the browser with zero network requests and no data collection.

Minimal Permissions

Requests only cookies, storage, activeTab, and tabs permissions; no access to history or browsing data.

Open Source MIT License

Full source code is public and auditable under the permissive MIT license.

Use Cases

Inspect and debug site cookies
View detailed cookie information to troubleshoot web applications or verify tracking behavior.
For: Web developers and QA testers
Remove unwanted tracking cookies
Delete or batch‑delete privacy‑invasive cookies while preserving essential ones via whitelist.
For: Privacy‑conscious users
Manage cookies for testing environments
Create, edit, and export cookies to replicate user sessions across devices or browsers.
For: Developers and test engineers
Monitor site privacy health
Use the built‑in privacy score and tracker breakdown to assess how much a site tracks its visitors.
For: Privacy advocates and security analysts
Maintain cookie collections offline
Import and export cookie sets without any network activity, ensuring data stays local.
For: Users needing offline cookie management