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Cookies and Storage

A list of the cookies and data UbahPDF keeps in the browser, and how to delete them.

Last updated: October 24, 2026

This English version is provided for convenience; if it differs from the Indonesian version, the Indonesian version prevails.

Statistics Cookies Only

The only cookies on UbahPDF come from Google Analytics 4, used to count visits and pages viewed in aggregate.

UbahPDF limits stored data to what the app and site statistics need. Document contents and file names are never sent to Google Analytics.

Storage Inventory

  • LocalStorage

    ubahpdf.theme

    Your theme choice: Light, Dark, or system.

    Retention: Kept until you delete it.

  • LocalStorage

    ubahpdf.pref.*

    Your last settings in some tools, such as compression level or DPI. No document contents, file names, or passwords.

    Retention: Kept, and removed when you pick the default value again in that tool.

  • Cache Storage

    ubahpdf-[version]-static

    Copies of pages and site assets, so the site opens fast and works offline. No user files.

    Retention: Replaced when a new release ships, unless it still holds saved tools.

  • Cache Storage

    office-engine-[version]

    The document conversion engine, about 60 MB, saved when an Office to PDF or RTF to PDF tool is first used. No user files.

    Retention: Kept, and the old version is deleted when a new one is downloaded.

  • IndexedDB

    keyval-store

    Indonesian and English OCR language data, saved when OCR is first used. No user files.

    Retention: Kept until you delete it.

  • Cookie (Google Analytics)

    _ga, _ga_9XXRFM7ZMF

    Distinguishes visitors and sessions for aggregate visit statistics. No document contents or file names.

    Retention: Up to 2 years.

  • Browser RAM

    Transient memory

    The files you are processing.

    Retention: Cleared when the tab is closed or reloaded.

Files Are Not Stored

The files you process, including PDFs, images, and text, are never stored in LocalStorage, IndexedDB, cookies, or Cache Storage.

Files stay in browser memory only while in use, and are released when you start over, leave the tool page, or close the tab.

How to Delete Data

You have full control over the data in your browser.

To delete all UbahPDF data, open the browser's privacy settings and delete cookies and site data for ubahpdf.com.

Menu names differ between browsers.

Storage Questions

Send questions about data storage on UbahPDF to the operator at furqon@ubahpdf.com.