12tldr is a free AI article summarizer. Paste any article URL and get a structured summary with TL;DR bullet points, context, key details, and why it matters — all in seconds.

How does 12tldr work?

Paste an article URL into the input field and click Summarize. Our AI reads the article and generates a clear, structured summary. No signup or account is required.

Is 12tldr free to use?

Yes, 12tldr is completely free. No account, no subscription, no tracking required.

Which websites does 12tldr support?

12tldr works with articles from most major publications including The Economist, New York Times, Bloomberg, BBC, Reuters, The Guardian, Wired, and thousands of other websites.

What does the AI summary include?

Each summary includes a TL;DR with three bullet points, a 'What it's about' section, 'The details' with key facts, and 'Why it matters' — giving you a complete picture without reading the full article.

Eerie Short Film Captures Mystery of Longfellow's Unexplained Booms

Source: longfellowwhatever.com

"The Boom" is a short film inspired by the real-life Longfellow Boom, loud unexplained noises shaking homes in Minneapolis.
The phenomenon happens mostly on summer nights and sounds like deep, house-rattling blasts unlike gunshots or crashes.
Decades of reports remain unsolved, with theories from fireworks to river echoes, but no confirmed cause.

The article dives into "The Boom," a creepy short film drawn from the Longfellow Boom, a decades-old mystery of booming sounds terrorizing a Minneapolis neighborhood. It gives the lowdown on the film while unpacking the stubbornly unexplained real event that baffles locals and investigators. This mix of art and enigma hooks anyone into urban legends that hit close to home.