Useful Free Tools for Web Development 2021

Here are some free online tools that we use to develop our own app and websites. I’ve put up this list for my own use in case I have to scrub data using a different computer, like the ones in internet cafes


Machine Learning ToolPurpose
Google ColabFree online machine learning environment

Graphics ResourcesPurpose
CloudinaryFree Image, Video, File Hosting. Has a faster CDN than Kraken or Sirv
SirvFree Image, Video, File Hosting
CanvaMakes infographics
Google SlidesMakes basic graphics, has offline mode
LucidchartsMakes graphs
UndrawFree Images
UnsplashFree Graphics / Illustrations / Photos

Video ResourcesPurpose
OpenshotFree video editor
PexelsFree Images and Stock Videos

Hosting ResourcesPurpose
NetlifyWeb App Hosting, Free limited static sites
RenderWeb App Hosting, Free limited static sites
Github PagesFree limited static sites
CloudflareContent Deliver Network
HerokuDeploy web servers (needs credit card)
Google Cloud PlatformDeploy web servers (needs credit card), has free trial

Web ToolsPurpose
ObservatoryScan your website for vulnerabilities
SSL TestCheck your SSL
Open Portscheck which ports are open

Map ToolsPurpose
Lat Long FinderLatitude and Longitude Finder based on Address data (Faster than Google Maps)

Text ToolsPurpose
Remove Line Breaksremove line breaks in text
Word to HTMLconvert Word to HTML
Remove Letter AccentsUseful for non-english text
ERB to SlimHTML to slim converter for Ruby templates

Site Performance ToolsPurpose
Load Impact and LoaderStress-test your site
Pingdom TestCheck site’s load speed
NibblerCheck your site’s performance
Page InsightsCheck site performance

SEO ToolsPurpose
AhrefsCheck broken links, domain authority, keywords, etc
Broken Link Checker
UbersuggestFind keywords for your content
MozCheck basic SEO
SemrushSite Audit

Social ToolsPurpose
FacebookAdds social buttons, check open graph tags