All tools · page 39
6,901 free tools across 25 categories. Tools marked with a lightning bolt are ready to use right now.
Summarize requests captured from browser developer tools.
Summarize network request duration and transfer size from recorded requests.
Compare resource responses with and without browser caching.
Inspect recorded paint and rendering metrics from browser performance traces.
Review recorded layout shifts and their likely contributing elements.
Review available input responsiveness measurements from performance data.
Identify dropped or delayed frames in recorded animation traces.
Compare memory snapshots exported from compatible browser tools.
Review heap snapshot data for detached DOM nodes where supported.
Display Resource Timing entries for the current permitted page.
List custom performance marks and measures from a page.
Show available first-paint and first-contentful-paint measurements.
Track image load failures and timing on a permitted page.
Display script resources and their loading behavior.
Display supported browser permission states where available.
Test cached page behavior when network access is unavailable.
Store reusable debugging snippets for local development.
Combine console, network, accessibility, and performance findings into one report.
Calculate keyword frequency and density within supplied content.
Estimate reading difficulty and highlight overly complex sentences.
Identify pages with repeated title tags from a URL or crawl export.
Check sitemap entries for malformed URLs and duplicate locations.