Content Proof - Verify & Save Tweets as Evidence

Verify and save tweets as cryptographic evidence. For journalists, lawyers and fact checkers.

Content Proof is a free Chrome extension that automatically verifies and preserves tweets as cryptographic evidence. Whether you're a journalist, lawyer, researcher or activist — never lose proof of what was posted online. WHY YOU NEED CONTENT PROOF: Tweets get deleted. Screenshots get faked. Content Proof creates tamper-proof cryptographic verification of every tweet — so you always have real evidence. PERFECT FOR: Journalists verifying sources and protecting reporting Lawyers needing admissible social media evidence Researchers tracking misinformation and deleted tweets Activists preserving proof of online threats Content creators protecting their original work Anyone fighting misinformation online FEATURES: Automatic tweet verification on every post SHA-256 cryptographic hash — mathematically tamper-proof Search your complete verified tweet history Export to JSON for legal and research use 100% local storage — complete privacy guaranteed Works with both Twitter and X HOW IT WORKS: Install Content Proof free Use Twitter and X as normal Every tweet automatically verified with cryptographic proof Access your complete verified archive anytime Export evidence whenever you need it WHY TRUST CONTENT PROOF: Open source — anyone can verify the code No external servers — your data never leaves your device SHA-256 cryptographic verification — same technology used by banks 100% free forever THE PROBLEM WE SOLVE: In a world of deepfakes, misinformation and deleted tweets — truth needs proof. Content Proof is building the trust infrastructure the internet has always needed. Starting with tweets. 100% free. Open source. Privacy-first. No data ever leaves your device.