Work · alternatives · 2026

24 alternatives to ClaimCircle
Fact-check anything instantly by circling it
Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes.
- 1

Google fights fake news in search with 'fact check'
2017 · blog.google · its alternatives →
- 2
Fact Check▲136Your personal research assistant and BS detector
2024 · factchecker.carrd.co · its alternatives →
- 3

- 4

Highlight any text and fact check it
2024 · factchecktool.com · its alternatives →
- 5
Fact Check▲16A one-click tool to Fact Check anything you read online
2025 · chromefactcheck.com · its alternatives →
- 6

Instantly detect factual errors in ChatGPT and find sources
2023 · its alternatives →
- 7

A publication dedicated to full transparency in fact-checking. Every source document is available with annotations to guide the reader, and every fact-checking conversation is out in the open.
2019 · sourcedfact.com · its alternatives →
- 8

Facts, not fear
2017 · chromewebstore.google.com · its alternatives →
- 9

Live fact checking with Sources YOU choose to Trust
Jul 2026 · factlens.pro · its alternatives →
- 10

Identify news source credibility on social media and search
2020 · addons.mozilla.org · its alternatives →
- 11

Fact check highlighted text on the internet with AI
2025 · chromewebstore.google.com · its alternatives →
- 12

Stop BS in real-time with AI that fact-checks as you listen
Mar 2026 · factsnobullshit.up.railway.app · its alternatives →
- 13

Fact-checks that update as the story changes.
Apr 2026 · factcheckradar.com · its alternatives →
- 14

Hi HN — we built Factifi, a Chrome extension that does instant fact-checking on anything you’re reading or watching. Please keep in mind, this is just an MVP and will be buggy and fail. We were constantly pausing podcasts and Substack posts to ask, “Wait, is that actually true?”. After too many 30-minute Google rabbit holes, we decided to automate the work. What it does • Extracts claims from articles, blogs, YouTube videos (and even images) • Assigns a verdict + confidence score using live web search, a 200 M-paper research index, and a few proprietary datasets • Flags likely deepfakes and…
2025 · chromewebstore.google.com · its alternatives →
- 15

Browser extension which exposes media bias as you browse.
2020 · ground.news · its alternatives →
- 16

Run a research agent with cited answers in a single API call
Jun 2026 · tabstack.ai · its alternatives →
- 17

Fact Check the Internet with FCA, an AI browser extension
2024 · its alternatives →
- 18

Agent skills that fact-check the internet: claim-by-claim verification with sources and a 0-10 BS score for any YouTube video, article, tweet, or PDF - SerhiiKorniienko/bullshit-detector
Jul 2026 · github.com · its alternatives →
- 19

Hello, I made this site to combat misinformation on the internet by allowing users to prove that their claim is valid by linking multiple sources and combining them in a single link It's very early stage so I would love feedback on: - What types of claims would be most useful to you? - How can I make verification/sourcing more robust? - Any features that would make this actually useful vs just interesting? Thanks in advance, feel free to roast :)
2025 · onlinesourcerer.org · its alternatives →
- 20

- 21

Track claims and see who’s actually right
Nov 2025 · facttracker.app · its alternatives →
- 22

Fact-check online income claims. Share the verdict.
Jul 2026 · cashorclout.com · its alternatives →
- 23
TrueSift▲7Hey HN! I got the idea for this during the Lovable AI competition and decided to turn it into a Chrome extension. TrueSift helps verify the accuracy of online content in real time. What it does: - Uses AI to analyze text on any page and highlight questionable claims. - Provides quick fact-check summaries and trusted sources without leaving the page. - Lightweight and privacy-conscious (no unnecessary data collection). Why I built it: Misinformation spreads fast, and I wanted a tool that makes truth-checking effortless for readers, journalists, and researchers. Try it out: truesift.dev I’d…
2025 · truesift.dev · its alternatives →
- 24

Hey HN! We’re a group of high school students who built Factful, a Chrome extension that helps with research, fact-checking, and writing—all inline. When we first launched Factful as a web app, we got a lot of feedback asking for a more integrated experience, so we built a Chrome extension to let you fact-check and look up information without switching tabs. Making this work inside Google Docs was way harder than expected. Since Docs renders text using a canvas instead of regular HTML, we had to come up with creative workarounds to analyze and interact with what’s being written. It took a…
2025 · chromewebstore.google.com · its alternatives →
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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →