Comments that
actually work.
EchoThread is a modern, privacy-first comment platform for blogs, documentation sites, and web apps. One script tag. Threaded conversations, rich media, reactions, and a full moderation dashboard — without the bloat, ads, or tracking.
Built for modern websites
Features
Everything you need,
nothing you don't
A complete commenting system that respects your users and gives you full control.
Conversations
Threaded replies
Nested conversations up to 5 levels deep keep discussions organized and easy to follow.
Emoji reactions
Like, Love, Haha, and Angry reactions let readers engage without cluttering the thread.
Image attachments
Upload JPEG, PNG, GIF, or WebP images directly into comments. Automatic resizing and optimization.
Link previews
Paste a URL and get a rich Open Graph preview card with title, description, and thumbnail — automatically.
Text formatting
Bold and italic formatting with a simple toolbar. Ctrl+B and Ctrl+I keyboard shortcuts included.
Smart sorting
Sort comments by newest, oldest, most liked, or most replied. Readers find the best content first.
Moderation & Safety
Moderation dashboard
Approve, reject, or delete comments from a clean, purpose-built dashboard. Filter by status with one click.
Spam detection
Built-in spam scoring catches keyword patterns, repeated characters, suspicious URLs, and all-caps shouting.
Auto-approve mode
Choose between manual review for every comment, or auto-approve for a hands-off experience. Toggle per site.
Real-time notifications
Get notified instantly when new comments arrive or spam is detected. Never miss a conversation.
Edit & delete
Comment authors can edit or delete their own comments. Moderators can override any comment status.
Login to comment
Only authenticated users can post comments — guests can read and browse. Commenters sign in with Google, site owners use magic link.
Developer experience
Lightweight & fast
Under 15 KB gzipped. Zero dependencies. Pure vanilla JavaScript that won't slow down your page.
Fully themeable
Light and dark themes built in, or pass any hex color for a custom background. CSS custom properties for full control.
Mobile-first responsive
Looks great on every screen size. Touch-friendly interactions and adaptive layouts out of the box.
Simple API
RESTful API with API-key authentication. Manage sites, threads, comments, and users programmatically.
CORS-ready embed
One script tag on any domain. No iframes, no third-party cookies, no cross-origin headaches.
Your data, always
Backed by DynamoDB and S3. Full API access to export your data anytime. No vendor lock-in.
Quick setup
Add comments in 3 steps
From zero to live comments in under a minute.
Create your site
Sign up, add your domain, and grab your API key from the dashboard. Takes 30 seconds.
Drop in the snippet
Paste two lines of HTML before your closing </body> tag.
<div id="echothread"
data-api-key="YOUR_API_KEY"></div>
<script src="https://cdn.echothread.io/widget.js"></script>You're live
Comments appear instantly. Manage everything from the moderation dashboard — approve, reject, filter spam, and track conversations across all your pages.
The difference
Why switch to EchoThread?
If you're tired of legacy comment platforms that spy on your readers, you'll feel the difference.
The old way
- ✗ Ads injected into your comment section
- ✗ Cross-site tracking and third-party cookies
- ✗ Heavy JavaScript bundles that slow page loads
- ✗ Your readers' data sold to advertisers
- ✗ Limited customization behind paywalls
- ✗ No control over your own data
EchoThread
- ✓ Zero ads, ever. Your comment section stays clean.
- ✓ No cross-site tracking. No third-party cookies.
- ✓ Under 15 KB gzipped — loads in milliseconds
- ✓ Your data stays yours. Full API access.
- ✓ CSS variables for complete visual control
- ✓ Free during beta — no credit card required
Live demo
Try it right now
This is a live EchoThread widget. Sign in and leave a comment — no signup required to see it in action.
Testimonials
What early adopters are saying
EchoThread is in beta. Here's what our first users think.
"Switched from our old comment platform and my page load time dropped by 3 seconds. The moderation dashboard is exactly what I needed."
Sarah Chen
Tech Blogger
"Finally a comment system that doesn't inject ads into my site. My readers actually started engaging more once I switched."
Marcus Rivera
Developer Advocate
"The link preview cards and image attachments make conversations so much richer. Setup took literally 30 seconds."
Aisha Patel
Documentation Lead
Moderation
A dashboard built for moderators
Approve, reject, and filter comments with one click. See pending counts, spam flags, and new comment notifications in real time. Manage multiple sites from a single dashboard.
- Filter by status: pending, approved, rejected, spam
- Real-time notification bell with unread count
- Auto-approve toggle, spam filter, and per-site settings
- One-click embed code with copy to clipboard
FAQ
Frequently asked questions
Everything you need to know before getting started.
- Is EchoThread free?
- EchoThread is completely free during the beta period — no credit card required. Create a site, embed the widget, and start receiving comments immediately. Pricing for post-beta plans will be announced later.
- How does EchoThread compare to the competition?
- Unlike legacy comment platforms, EchoThread has no ads, no cross-site tracking, and no third-party cookies. The widget is under 15 KB gzipped, loads faster, and gives you full control over your data.
- Does EchoThread work with WordPress, Next.js, and static sites?
- Yes. EchoThread works on any website. Just add a div and a script tag before your closing body tag — no plugins or framework-specific setup required.
- Does EchoThread track my users?
- No. EchoThread does not use third-party cookies, does not serve ads, and does not sell or share user data. Privacy is a core principle, not a feature toggle.
- What happens after the beta?
- We will introduce affordable paid plans after the beta period. All sites and data created during beta will carry over. Early adopters will be the first to know about pricing.
- What authentication options are available?
- Commenters sign in with Google OAuth for a frictionless experience. Site owners authenticate via passwordless magic link email. Only logged-in users can post comments — guests can read and browse freely.
- How does spam detection work?
- EchoThread includes built-in spam scoring that detects keyword patterns, excessive links, repeated characters, and other common spam signals. You can also enable manual approval mode to review every comment before it goes live.