Last updated: March 2026
Email address. Collected when you create an account.
IP address. Used to enforce rate limits for guest users. Not stored long-term.
Text you submit. Sent to our AI provider to generate a rewrite. We do not store the content of your paraphrases beyond your saved history.
Writing samples. Stored on your account to build your voice profile. Never shared or used to train other profiles.
Payment information. Handled entirely by Stripe. We never see or store your card details.
To provide the rewriting, composing, and voice matching service.
To enforce daily usage limits and prevent abuse.
To process subscription and credit purchases through Stripe.
To send transactional emails (account confirmation, receipts, weekly digests).
We do not sell your data or use it for advertising.
Account data is kept for as long as your account is active.
Rewrite history is stored for logged-in users and deleted when you delete your account.
Writing samples and voice profiles are deleted when you delete your account.
IP-based rate limit counters reset daily and are not retained.
Anthropic. Processes the text you submit to generate rewrites. Subject to Anthropic's privacy policy.
Stripe. Handles all payment processing. Subject to Stripe's privacy policy.
PostHog. Product analytics to understand how features are used. No personal data is shared.
Resend. Delivers transactional and digest emails.
You can delete your account at any time from Settings. Deleting your account removes your email, writing samples, voice profiles, rewrite history, and any unused credits.
Questions about this policy? Email hello@toneswap.app.