Blendline
Last updated October 13, 2026

Privacy policy

Blendline is a DJ practice tool that runs in your browser. This page explains what it stores, where that goes, and how to delete it. The short version: your music stays on your device, and you only have an account if you choose to make one.

Your song files never leave your device

The songs you add are decoded and analyzed inside your browser. Blendline never uploads your song files. The only audio that ever leaves your device is a short clip of a blend you mixed, and only if you choose to share that blend on Explore.

Using Blendline without an account

You can use every feature without signing in. In that case nothing about you is sent to a Blendline database. Your browser keeps a small amount of data on your own device so the app works between visits:

You can remove this at any time by deleting the mixes in the app or clearing this site's data in your browser.

If you create an account

Signing in is optional and is only needed to save mixes to your account and sync them across devices. When you sign in we store:

Comments are checked automatically for blocked words and links, and moderators can hide or remove comments that break the rules. Your saved mixes are private to your account. Database rules allow each signed-in person to read and change only their own rows. While you are signed in, your browser also stores a sign-in token on your device to keep you signed in.

Feedback

If you use the Send feedback button, we store your message, the part of the site you were on, the time, and your email address only if you choose to give it. If you are signed in, the message is linked to your account. We use feedback only to improve Blendline and to reply when you ask us to.

What we don't do

Services that help run Blendline

These providers process data on our behalf or receive standard web requests (such as your IP address) when your browser loads something from them:

When you press Listen on an Explore post, the YouTube, SoundCloud, Spotify or Mixcloud player for that post loads from that service, which may set its own cookies. Nothing loads from them until you press Listen. Links to YouTube and other sites open those sites, which have their own policies.

Keeping and deleting your data

Account data is kept until you delete it. You are in control:

Depending on where you live, you may have rights to access, correct, export or delete your personal data, or to object to how it is used. Contact us and we will help.

Children

Blendline is not directed at children under 13, and accounts are not intended for them. If you believe a child has created an account, contact us and we will delete it.

Changes

If this policy changes in a meaningful way, we will update the date at the top of this page.

Contact

Questions or requests about your data: rd0949017@gmail.com.

Blend on