Silent. Fast. Focused.
The only actively maintained RSS reader for Firefox. Your feeds, delivered with ninja precision.
Start your 14-day free trial - then just £2.50/month
Magazine, list, or compact. Read your way.
Organise feeds into folders. Keep things tidy.
Visit any site we find the feeds for you.
Bring your feeds from anywhere. Easy.
Your data is yours. Export anytime.
Regular updates. Not abandoned!
Quick actions on feeds and articles. Mark as read, unread, or catch up fast.
Easy on the eyes, day or night. Switch with one click.
Save your favourites for later. Never lose that important read.
Stop drowning in a flat list of feeds. RSS Ninja is the only RSS reader with true 2-level folder nesting create categories like Technology, then organise subfolders like AI, Security, and Dev News inside. Unread counts bubble up so you always know where the action is. Expand, collapse, and navigate your feeds like a pro. Other readers force you into one level of folders. We don't. Finally, an RSS reader that scales with your reading habits.
Add to Thunderbird
The same powerful RSS reader you love, built natively for Thunderbird. A full email-style split screen layout that feels right at home in your mail client.
Split-screen design with feed list on the left and articles on the right, just like reading your mail.
Dark and light themes that control the entire Thunderbird chrome. One toggle changes everything.
2-level folder nesting with categories and subfolders. Unread counts bubble up automatically.
Magazine, list, or compact. Switch between views to match how you like to read.
Get notified when new articles arrive. Never miss an update from your favourite feeds.
OPML and JSON import. Full data export. Move your feeds from any reader in seconds.
Save your favourites for later. Never lose that important read.
Quick actions on feeds and articles. Mark as read, unread, or catch up fast.
Regular updates and new features. Not abandoned!
One subscription, two apps. Get full access to RSS Ninja for Firefox and Thunderbird.
Remember when RSS readers for Firefox were actually maintained? We do too.
While other extensions were abandoned and left to gather dust, we stepped in. No bloat. No AI gimmicks. No tracking. Just a clean, fast reader that does exactly what you need.
Built by an indie developer in the UK who uses RSS every day. 🇬🇧