CryptoLens

CryptoLens — The Pulse of Crypto, Right in Your Browser.

Real-time markets, multi-chain explorer, and zero-knowledge portfolio tracking. No keys, no accounts, just data.

Get CryptoLens Now
chrome-extension://cryptolens
CryptoLens extension popup showing portfolio with Bitcoin and XRP holdings

How CryptoLens works

A secure, passive observer for your digital assets.

1

Install & Pin

Add CryptoLens to Chrome and pin it for instant access.

2

Build Your Watchlist

Manually input your holdings. No API keys or wallet connections needed.

3

Stay Informed

Check prices, gas fees, and transaction status in one click.

Built for the Privacy-Conscious Observer

The HODLer

People keeping assets in cold storage who want to check value without exposing keys.

The Active Trader

Users who need to verify TX hashes across chains without leaving their current tab.

The DeFi Native

Liquidity providers monitoring gas fees and impermanent loss risks.

Everything You Need in One Extension

Real-time Markets

Live prices, sparklines, and 24h changes for top assets. Stay informed without leaving your browser.

Zero-Knowledge Portfolio

Track your net worth locally. No API keys or wallet connections required — your data never leaves your device.

Multi-Chain Explorer

Instantly search BTC, ETH, and TRX addresses or transaction hashes across multiple blockchains.

Privacy Blur

One-click toggle to hide sensitive balances in public spaces. Your privacy is always under your control.

Gas Tracker

Real-time ETH gas fees directly in your browser header. Never overpay for transactions again.

Instant Calculator

Quick crypto-to-crypto and fiat conversions without context switching. Calculate on the fly.

Your Data Stays Yours.

CryptoLens utilizes a "Local-First" architecture. Your sensitive information never leaves your device.

Local Storage Only

Your portfolio data is stored encrypted in your browser, never sent to our servers.

No Wallet Connection

We never ask for your seed phrase or private keys.

Transparent Data

Market data is fetched directly from public APIs like CoinGecko and Blockchair.

Why CryptoLens?

Standard Trackers
CryptoLens
Requires wallet connection
Zero-connection manual input
Tracks you across the web
Runs locally in sandbox
Slow, heavy dashboards
Instant, lightweight popup
Data stored on remote servers
Everything stays on your device

Powerful tools in your pocket

Everything you need, accessible in one click.

CryptoLens Market tab showing top cryptocurrencies with prices and sparklines

Experience Privacy Blur

Try Privacy Mode
₿
Bitcoin
$45,230.00
Ξ
Ethereum
$12,450.00
Total$57,680.00

FAQ

No, CryptoLens works completely offline from your keys. You manually input your holdings, so there's never any wallet connection required.

Bitcoin, Ethereum, and Tron are fully supported via Blockchair for address and transaction lookups. Price data covers the top 50+ cryptocurrencies.

Yes, everything is stored locally in Chrome storage on your device. Your portfolio data never leaves your browser and is not transmitted to any external servers.

Yes, CryptoLens is a free utility. There are no premium tiers, subscriptions, or hidden fees.

Your data stays in your browser's local storage. While there's no export feature currently, your data persists across sessions as long as you don't clear your browser data.

Manifest V3 Ready

Built for developers who care about security and modern standards.

Built on the latest Chrome security standards.
Strict Content Security Policy (CSP) compliance.
Open source transparency.
Non-Custodial
Local Storage
Manifest V3
Open Source

Why Trust CryptoLens?

CryptoLens is built with privacy and security at its core. All your portfolio data, calculations, and preferences are stored locally on your device using browser storage. We never transmit your sensitive information to external servers.

Our extension is built on Manifest V3, Chrome's latest security standard, ensuring maximum protection. The source code is open for review, so you can verify exactly what the extension does before installing it.

No API keys means no risk of key leakage. No wallet connections means no transaction signing vulnerabilities. Just pure, read-only data displayed beautifully in your browser.