Page Size Checker
Calculate HTML payload weight, response bytes, and potential gzip/brotli compression savings.
How to Use Page Size Checker
Paste HTML source or enter page URL.
Calculate total raw bytes and kilobytes.
View estimated compressed transfer size.
Frequently Asked Questions
What is an ideal HTML payload size?
HTML documents should ideally stay under 50-100 KB before asset downloads.
Related Developer Tools
Explore more free client-side developer utilities in this category
API Tester
Test REST API endpoints live in your browser with custom HTTP methods, headers, query params, and body.
REST API Client
Lightweight, postman-like browser REST client for debugging and testing web services.
API Documentation Generator
Generate clean, markdown and HTML API documentation from endpoint definitions and JSON payloads.
GraphQL Playground
Test GraphQL queries and mutations with variables and custom authentication headers.
Webhook Tester
Inspect, test, and simulate webhook payloads, event triggers, and signature verifications.
cURL Command Generator
Build custom cURL commands visually with method, headers, auth tokens, query params, and body.