

MirrorSource
A free tool that compares how Left, Right, and Center news outlets cover the same story.
Cost / License
- Free
- Proprietary
Platforms
- Online



MirrorSource
Features
Tags
- media-literacy
- media-bias
- news-comparision
- Google Chrome Extension
MirrorSource News & Activities
Recent activities
- MirrorSource added MirrorSource
- POX updated MirrorSource
MirrorSource information
What is MirrorSource?
MirrorSource helps you escape the echo chamber.
Paste any news article URL and instantly see how other outlets across the political spectrum are covering the same story. No more opening 10 tabs to compare — MirrorSource does it in one click.
What You Get:
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Coverage Distribution — A visual breakdown showing how many Left, Center-Left, Center, Center-Right, and Right sources are covering the story
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Compare Coverage — Side-by-side comparison cards showing how different outlets frame the same event, with headlines, tone, and unique angles
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Intel Brief — AI-generated analysis highlighting what sources agree on (Common Ground) and where they diverge (Key Differences)
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Source Transparency — See who owns each outlet (Corporate, Nonprofit, Public-Trust, State-Funded) so you know who's telling you the story
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Divergence Indicator — Quickly see if coverage is in consensus (🟢), has moderate differences (🟡), or is highly contested (🔴)
How It Works:
- Paste a news article URL into mirrorsource.app (or use the Chrome extension)
- MirrorSource finds alternative sources covering the same story
- See the full picture — political lean, ownership, and where the narratives differ
Chrome Extension:
Install the free extension and a floating button appears on 170+ news sites (NYT, CNN, Fox, BBC, WSJ, and more). One click from any article shows you the whole story.
Who It's For:
- News readers tired of echo chambers
- Researchers comparing media coverage
- Educators teaching media literacy
- Anyone who wants to see what they might be missing
Transparency:
Political lean classifications are based on AllSides Media Bias Ratings and Ad Fontes Media Bias Chart. We don't host or copy articles — we link directly to the original source, so publishers get the traffic and you get the context.
Free to Use:
MirrorSource is free. No account required. No paywall.
