Aback PDF
Transparency Disclosures

Cookie Policy

Last updated: September 2026 - Effective immediately

How Aback PDF uses local storage for visual settings and Google AdSense for sustainable free operations.

This Cookie Policy explains how Aback PDF uses cookies, browser local storage, and similar web technologies when you visit our website. We believe in transparent disclosures regarding what technologies are stored on your device and how advertising partners support our free services.

Document Files Never Leave Your Device

Regardless of your cookie settings, your uploaded PDF files, images, and documents are processed 100% locally in your browser memory. Documents are never transmitted to our web servers, never fingerprinted, and never stored in cookies or web storage.

1. What Are Cookies and Web Storage?

Cookies: Cookies are small text files placed on your computer or mobile device by websites that you visit. They are widely used to make websites work properly, improve user efficiency, and deliver reporting information to publishers and advertising networks.

Local Storage: Web Storage (including localStorage and sessionStorage) allows websites to store key-value data directly on your device. Unlike cookies, data in local storage is not automatically sent to web servers with every request, resulting in improved performance and privacy.

2. How Aback PDF Uses Storage Technologies

Aback PDF operates on minimal data collection principles. We do not use first-party tracking cookies to identify your personal identity or build user profiles. We use local storage strictly for the following necessary purposes:

  • Theme Preference: Stored under key aback_theme to remember your chosen visual interface mode (dark mode or light mode).
  • Cookie Consent State: Stored under key aback_cookie_consent to remember your acknowledgement of our cookie and privacy notice.

3. Third-Party Advertising & Google AdSense

To provide our suite of PDF utilities completely free without paid subscriptions or paywalls, we display advertising on our pages provided by Google AdSense and third-party advertising partners.

Google AdSense Disclosures:

  • Third-party vendors, including Google, use cookies to serve ads based on a user's prior visits to Aback PDF or other websites.
  • Google's use of advertising cookies enables it and its partners to serve ads to users based on their visit to this site and/or other sites on the internet.
  • Users may opt out of personalized advertising by visiting Google Ads Settings.

4. Breakdown of Storage Items

The following table details every storage technology used on Aback PDF.

5. How to Control, Block, and Delete Cookies

You have the right to accept, configure, or reject cookies at any time. You can adjust your preferences through your browser settings:

  • Google Chrome: Settings > Privacy and Security > Cookies and other site data
  • Apple Safari: Preferences > Privacy > Block all cookies
  • Mozilla Firefox: Settings > Privacy & Security > Cookies and Site Data
  • Microsoft Edge: Settings > Cookies and site permissions > Manage and delete cookies

To opt out of third-party interest-based advertising across participating networks, you can also use consumer choice platforms such as the Digital Advertising Alliance (optout.aboutads.info), Your Online Choices (youronlinechoices.com), the Network Advertising Initiative (optout.networkadvertising.org), and Google Ads Settings (adssettings.google.com).

6. Updates to This Cookie Policy

We may update this Cookie Policy periodically to reflect changes in our advertising partners, technology enhancements, or legal standards. The updated policy will be posted on this page with an updated effective date.

7. Contact Us

If you have questions about our use of cookies or local storage, please reach out to our team:

Technologies Utilized on Aback PDF

NameProviderPurposeDuration
aback_themeAback PDFSaves Dark/Light theme selectionPersistent
aback_cookie_consentAback PDFRemembers cookie banner dismissalPersistent
_ga, _gidGoogle AdSenseAd delivery, frequency capping, anti-fraudUp to 2 years
IDE, DSIDGoogle DoubleClickMeasures ad performance across webUp to 1 year

Frequently Asked Questions About Cookies

Does Aback PDF use tracking cookies on my documents?

No. Aback PDF executes all document transformations locally on your computer using browser memory. We never inspect, log, or associate cookies or tracking beacons with your document content.

Why does Aback PDF use local storage instead of cookies?

We use standard browser localStorage solely to store your visual theme preference (dark mode or light mode) and your cookie consent state. Local storage stays on your physical computer and is not transmitted with outbound HTTP requests.

Does Google AdSense use cookies on Aback PDF?

Yes. To keep our document utilities 100% free with no subscriptions, we display advertising served by Google AdSense and its partners. Google uses cookies (such as the DoubleClick cookie) to serve ads based on your visits to this website and other websites across the internet.

How can I opt out of personalized Google advertising?

You can opt out of personalized advertising by visiting Google Ads Settings (adssettings.google.com). Alternatively, you can visit optout.aboutads.info or youronlinechoices.com to opt out of third-party behavioral tracking.

Can I use Aback PDF with cookies completely disabled?

Yes. You can disable all cookies in your browser settings. The core document utilities will continue to function because file processing relies on local WebAssembly and browser APIs, not remote authentication cookies.