NanoLog | The Lightweight Changelog & Feedback Widget
Now launching in Early Access<br>The zero-bloat product engagement changelog widget suite for SaaS.<br>A single, unified 3-in-1 platform for your in-app product changelog, interactive user roadmaps, and secure inbound feedback . Replaces Canny, Beamer, and Userback with a standalone that preserves your Lighthouse score.<br>Start building for free →View live demo<br>No credit card required. Setup in 2 minutes.
What's New<br>Latest updates from the team
Updates<br>Roadmap<br>Feedback
Works Where You Work
Built for modern SaaS teams<br>2 min<br>Setup time
Widget bundle
Dependencies
100%<br>Shadow DOM isolated
Tailored Value PillarsBuilt for every side of your team<br>Whether you maintain secure architecture, prioritize releases, or write integration loops, NanoLog solves your exact challenges.
CTO<br>For CTOs & Leaders<br>Security, Performance & Diagnostics<br>✓Cryptographic HMAC verification limits voting to authenticated users<br>✓Strict Shadow DOM isolation prevents legacy CSS layout conflicts<br>✓Under 17KB CDNs preserve Lighthouse & Core Web Vitals at 100/100<br>✓Real-time OS, browser parameters and console log debug diagnostic uploads
Learn secure specs→
CPO<br>For Product Teams<br>Adoption, Feedback & Roadmaps<br>✓Consolidated Changelog + Roadmap + Feedback under 1 unified widget invoice<br>✓Engage cohorts instantly by sending updates sole to target customer segments<br>✓In-app NPS emoji ratings, reaction charts, and feature upvote campaigns<br>✓Visual feedback screenshots with drawings to report product bugs
Maximize product conversion→<br>DEV<br>For Developers<br>Integration, APIs & Extensibility<br>✓Boot in less than 2 minutes using standard client window init hooks<br>✓TypeScript definitions, native ESM packages, and absolute framework support<br>✓Complete whitelabel flexibility, custom CSS variables, and trigger bindings<br>✓Zero dependency bundle keeps your engineering velocity clean and fast
Explore CDN & API Docs→
How it works<br>Setup in minutes, not days.<br>NanoLog is designed to get out of your way. Integrate it once, and let your product managers handle the rest.
Copy the snippet<br>Paste a single tag into your app. It loads a native web component without bloating your bundle or conflicting with your styles.
Write your updates<br>Use our markdown editor to draft release logs, feature announcements, or bug fixes. Hit publish to instantly push them to your live app.
Collect feedback<br>Your users see the updates directly in your app. They can leave feedback, give reactions, and view your roadmap, keeping them engaged.
Live Interactive Sandbox<br>See NanoLog in action<br>Interact with our core features below and see why developers and product managers love our technical foundations.
Select a USP to explore<br>CSS Style Isolation<br>Native Shadow DOM encapsulation blocks styling bleeding completely.<br>Cohort Targeting<br>Deliver targeted release notes and updates to specific user groups.<br>Unified 3-in-1 Platform<br>Announcements, feedback collection, and live roadmaps inside one widget.
Shadow DOM IsolationZero CSS Leakage. Period.<br>Widgets that sit in your main application DOM often get broken by your app's global stylesheets (e.g. huge font sizes, color changes, layout issues). NanoLog isolates all styles using a native Web Component Shadow DOM.
Isolated (Shadow DOM)Broken (Global Styles Bleeding)<br>Host ApplicationLive View<br>NanoLog Widget<br>Latest release notes for your dashboard application.<br>Acknowledge Update
Toggle states to visualize styling bleeding issues common to non-encapsulated widgets.
Developer First ImpressionsPraise from Closed Beta Testers<br>Read what early SaaS engineers and technical founders say about our CSS isolation and bundle footprint.
"We run a historic vinyl store in Rotherham, and we wanted a frictionless way to let our regulars know when new collectible shipments land without spamming their inbox. NanoLog's inline changelog widget works perfectly as a blog announcement feed. Setup took less than 5 minutes and fits our vintage dark-mode theme beautifully!"
JS<br>Jason Sayles<br>CEO @ Riverside Records (Rotherham)
"Keeping our members updated on weekly karaoke nights, pub quizzes, and members-only events is vital for Swinton House. Using the NanoLog widget as a live, interactive announcement feed directly on our homepage has driven incredible engagement. Our weekly event attendance is up noticeably!"
MC<br>Club Manager<br>Manager @ Swinton House Club
"The cryptographically secure HMAC validation was a firm requirement for our enterprise customers to prevent duplicate voting or feedback spam. Setting it up was simple and standard. Highly engineered solution."
AT<br>Aris Thorne<br>Head of Engineering @ AuthGuard
Live Production Spotlights & Case Studies<br>Riverside Records<br>Storefront<br>Rotherham's premier independent vinyl, memorabilia, and soul record store.<br>The Challenge: Announcing rare collectibles, fresh vinyl arrivals, and special shop orders without building a custom database and email newsletter loop.<br>The Solution: Implemented...