100% private text summarization and PII redaction using local AI. No cloud APIs, fully offline.
Users
42
+10 in 30 days
Rating
0.0 / 5
unchanged in 30 days
Ratings
0
0 in 30 days
Store rank
#117K
#97K among extensions
Version
1.0.0
updated 10 Feb 2026
Users
monthly, 8 months
Latest, 20 Oct 2026:42 usersMove the mouse over the chart for any month
Ratings count
monthly, 8 months
Latest, 20 Oct 2026:0 ratingsMove the mouse over the chart for any month
The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.
About LocalSum - Offline AI Summarizer & PII Redactor
LocalSum - 100% Private AI Text Summarization & PII Redaction
Tired of sending your sensitive documents to ChatGPT, Claude, or other cloud AI services? LocalSum brings powerful AI directly to your browser - completely offline, completely private.
🔒 PRIVACY FIRST
Unlike other AI tools, LocalSum runs 100% locally on YOUR device. Your data never leaves your computer. Perfect for:
• Confidential business documents
• Medical records
• Legal files
• Personal emails
• Research papers
• Financial information
✨ KEY FEATURES
• Instant AI Summaries: Right-click any text to get concise, intelligent summaries
• Smart PII Redaction: Automatically detect and hide sensitive information (emails, phone numbers, addresses, SSNs, credit cards)
• Works Offline: Once loaded, no internet connection required
• Context Menu Integration: Summarize any selected text with a right-click
• Beautiful UI: Clean, modern interface that matches Chrome's design
• Fast & Lightweight: Optimized for speed without sacrificing quality
• No API Keys Needed: No OpenAI, Claude, or other cloud service accounts required
🎯 PERFECT FOR
• Researchers processing multiple papers
• Students summarizing study materials
• Business professionals handling confidential documents
• Legal professionals reviewing contracts
• Healthcare workers protecting patient privacy
• Anyone who values data security
💎 FLEXIBLE LICENSING
• FREE: 7-day trial with unlimited access
• FREE: 10 uses per day after trial
• PRO: $8.99/year for unlimited access
🚀 HOW IT WORKS
1. Install the extension
2. Select any text on any webpage
3. Right-click → "Summarize with LocalSum"
4. Get instant results - all processed locally
📊 USE CASES
• Summarize long articles and blog posts
• Extract key points from research papers
• Review meeting notes quickly
• Redact sensitive info before sharing screenshots
• Process confidential documents safely
• Study efficiently with concise summaries
🔐 SECURITY & PRIVACY
• No data collection
• No tracking or analytics
• No cloud processing
• No API calls to external services
• Open source license validation
• All AI models run in your browser
💰 SUBSCRIPTION DETAILS
Start with a 7-day free trial with unlimited access. After the trial, enjoy 10 free uses per day, or upgrade to Pro for just $8.99/year for unlimited summaries and redaction.
⚡ INSTANT ACTIVATION
Purchase a license, enter your key in settings, and start summarizing immediately. Keys are delivered instantly after purchase.
🌟 WHY LOCALSUM?
In an age where every AI tool wants to send your data to the cloud, LocalSum stands apart. Your privacy isn't a feature - it's our foundation. Whether you're handling sensitive business information or just value your privacy, LocalSum ensures your data stays yours.
Try it free for 7 days - you'll never want to use cloud-based AI tools again.
Growth
Window
Users
Change
Ratings
Rating
7 days
0
+0.0%
0
0.00
30 days
+10
+31.2%
0
0.00
6 months
+34
+425.0%
0
0.00
Chrome Web Store search rankings
Where LocalSum - Offline AI Summarizer & PII Redactor appears when people search the store, with the 30 day change