Privacy Policy

1. Introduction

MiCompress ("we", "our", "us") runs the file compression service at micompress.com, the MiCompress mobile app for Android and iOS, and the MiCompress command-line tools, extensions and add-ons. This Privacy Policy explains what information we collect when you use any of them, how we use it, how long we keep it, and how to have it deleted.

2. Information We Collect

Files you compress

To compress a file we upload it to our servers. Files are:

• Processed solely to compress them
• Deleted automatically: the uploaded original within about 10 minutes (an unfinished large upload within 3 hours), and the compressed result within 24 hours
• Never shared with third parties, and never read by a person

Compression records

For each compression we keep a record of the file name, file type, size before and after, the time, the IP address it came from, which app or tool sent it, and your account if you were signed in. We use these records to show your history, to enforce upload limits and to understand how the service is used.

Your account

An account is optional. If you create one we store your email address, your password (as a one-way hash, never in readable form), your plan and monthly usage, your API key, and the status of any subscription.

Payments

Paid plans are sold through Lemon Squeezy, which acts as the merchant of record. Lemon Squeezy collects your payment details; we never see or store your card number. We receive the subscription status and the email address used at checkout.

Emails and messages

We use your email address to verify your account, reset your password, and — only when you ask — send you a download link for a slow compression. If you contact us, we receive what you write in the form.

Error reports and server logs

When something fails, the website and the mobile app send us an error report: the error message, technical details of where it happened, and the app version. Our servers also keep logs of requests, which include IP addresses.

Analytics and advertising

The website uses Google Analytics to measure visits, and may show ads through Google AdSense. These services use cookies and collect device and usage information under Google's own privacy policy. The mobile app does not include any analytics service.

3. How We Use Your Information

We use collected information to:

• Compress your files and deliver the results
• Run your account, apply your plan's limits and show your history
• Prevent abuse, such as automated uploads, and keep the service secure
• Find and fix errors, and understand which features are used
• Respond to support requests

We do not sell your personal information.

4. How Long We Keep It

• Files: deleted within 24 hours, as described above
• Account information and compression records: for as long as your account exists; deleting your account deletes them
• Error reports and server logs: up to 90 days
• Payment records: kept by Lemon Squeezy for as long as tax and accounting law requires

5. Data Security

We implement industry-standard security measures:

• Encrypted (HTTPS/TLS) connections for all file transfers
• Passwords stored only as salted hashes
• Secure server infrastructure
• Automatic file deletion after processing

6. Cookies

The website uses cookies and similar browser storage to:

• Remember your language preference
• Keep you signed in
• Measure usage (Google Analytics) and serve ads (Google AdSense)

7. Third-Party Services

• Google Analytics — website analytics
• Google AdSense — advertising on the website
• Google AdMob — advertising in the mobile app, only if and when ads are turned on in the app; this policy will be updated before that happens
• Lemon Squeezy — payment processing for paid plans
• Cloudflare — network delivery and protection for all traffic to our servers

These services have their own privacy policies governing data use.

8. MiCompress Mobile App

• The app uploads only the files you choose to compress, or share to it from another app.
• It does not access your contacts, location, camera or microphone.
• Your history of compressions is also kept on your device; you can clear it in the app's settings, and it is removed when you uninstall the app.
• If you sign in, your session is stored in your device's secure storage (Android Keystore / iOS Keychain).

9. Google Workspace Add-on and Google User Data

This section applies only if you install the MiCompress Google Workspace Add-on for Google Docs and Google Slides. It describes how the add-on accesses, uses, stores and shares Google user data, and it governs in the event of any conflict with the rest of this policy.

What the add-on accesses

The add-on requests these OAuth scopes, and no others:

• .../auth/documents.currentonly and .../auth/presentations.currentonly — access is limited to the single document or presentation you have open while the add-on is running. The add-on cannot see, list or open any other file in your Google Drive.
• .../auth/script.external_request — allows the add-on to send an image to our compression service.

Within that one open file, the add-on reads only the embedded images. It does not read, transmit or store your document's text, comments, speaker notes, revision history, or file name.

How the data is used

Each image is sent over an encrypted HTTPS connection to our compression endpoint, compressed, and returned to the add-on, which writes the smaller image back in place of the original. The image is used for this single purpose and nothing else.

Retention

Images are processed in temporary storage and deleted immediately once the compressed result has been returned — typically within seconds. We do not retain copies, and we do not keep a record of your document's contents. For rate limiting we process an anonymous, non-identifying user token supplied by Google; it is held in memory only and is not linked to your Google account, email address or identity.

Sharing

We do not sell, rent or share Google user data with third parties. Google user data obtained through the add-on is never transferred to advertising platforms, data brokers, or information resellers, and is never used for advertising, marketing, credit assessment, or any comparable purpose.

Human access

No human at MiCompress reads or reviews your images. Automated processing is the only access, except where you have given explicit consent for us to investigate a specific problem you reported, where it is necessary for security purposes such as investigating abuse, or where we are required by law.

Machine learning

We do not use Google user data to develop, improve or train generalised or non-personalised artificial intelligence or machine learning models.

Limited Use disclosure

MiCompress's use and transfer of information received from Google APIs adheres to the Google API Services User Data Policy, including the Limited Use requirements.

Revoking access

You can revoke the add-on's access at any time by uninstalling it from the Google Workspace Marketplace, or by removing MiCompress at myaccount.google.com/permissions. Because we retain no copies of your images, no deletion request is needed after revoking access.

10. Your Rights

You have the right to:

• Access your personal data
• Request data deletion
• Opt-out of analytics tracking
• Lodge complaints with supervisory authorities

Deleting your account: in the mobile app go to Account → Delete account, or use micompress.com/delete-account. Your account, compression records and any remaining files are deleted immediately, and a renewing subscription is cancelled. If you cannot sign in, email us from the address on the account.

11. Contact Us

For privacy-related inquiries, contact us at:

Email: [email protected]

12. Changes to This Policy

We may update this Privacy Policy periodically. We will notify you of any material changes by posting the new policy on this page.