Privacy Policy – RenameFlow (macOS Batch File Renamer)
Effective date: 18 November 2025
Who we are
techy.how publishes the macOS app RenameFlow – Batch File Renamer. Contact: contact@techy.how
What the app does
RenameFlow helps users rename dozens, hundreds, or thousands of files quickly and safely on macOS.
You can:
Batch rename files and folders
Preview filename changes in real time
Apply operations such as find & replace, numbering, case conversion, and extensions
Use advanced tools like regex, metadata extraction, presets, and undo (Pro features)
All operations happen locally on your Mac.
Data we collect from the app
We do not collect personal data.
On-device only
All data used by RenameFlow is stored locally on your Mac, including:
Files you import into the app
Filename previews and rename mappings
Presets and app preferences
Undo history (stored temporarily or locally, depending on Free or Pro version)
RenameFlow does not upload, sync, or transmit this data anywhere.
No servers
RenameFlow does not operate any servers.
The app does not communicate with our infrastructure or with third parties.
File access & permissions
RenameFlow only accesses files and folders that you explicitly select via drag & drop or the macOS file picker.
The app:
Follows macOS sandboxing rules
Cannot access files outside of user-approved locations
Never scans your disk or background folders
Never uploads or copies your files without your action
Files are renamed or copied only according to your instructions.
Sharing & exports
If you export files, logs, presets, or scripts, macOS uses the system share sheet to send them to a destination you choose.
We do not receive these files or any information about where you send them.
Accounts, tracking, and ads
RenameFlow has:
No accounts or logins
No cloud syncing
No third-party SDKs
No analytics or telemetry
No tracking or identifiers
No ads
Diagnostics & crash reports
If you enable “Share Mac Analytics” in macOS system settings, Apple may provide us with aggregated and anonymized crash reports.
These reports:
Do not identify you
Do not include filenames, file paths, or file contents
Do not include preset data or rename history
Participation is fully controlled by Apple system settings.
Payments
RenameFlow Pro is a one-time in-app purchase processed by Apple through the App Store.
We do not receive:
Your payment details
Your Apple ID
Your billing information
Apple may provide us with aggregated sales reports that do not contain personal data.
When you contact us
If you email contact@techy.how, we will process the information you provide (such as your email address and message) solely to respond to your request.
We keep support communications only as long as necessary to resolve the issue.
Your rights (EU / EEA)
If you contact us and share personal data, you have the right to request:
Access
Correction
Deletion
Restriction of processing
Data portability
You may also object to processing.
You can lodge a complaint with your local data protection authority.
In Luxembourg, this is the CNPD.
Children’s privacy
RenameFlow:
Has no accounts
Has no social features
Has no user-generated content
Has no ads
The app is suitable for general audiences and does not target children.
Security
RenameFlow is designed to work fully offline and keep all data on your device.
If you contact us by email, we take reasonable steps to secure those communications.
International transfers
RenameFlow does not use servers or cloud processing.
App data never leaves your device unless you explicitly export it.
Emails you send to us may be processed by our email provider to deliver the message.
Changes to this policy
We may update this policy to reflect changes in the app or legal requirements.
The Effective date above will be updated when changes are made.
Contact
Questions about privacy?
Email: contact@techy.how