Visually configure PWA Service Worker with caching strategies, offline pages, push notifications. One-click production-ready code generation
Zero Dependencies · Works Offline📋 Basic Configuration
🗂️ Cache Strategy Configuration
🔧 Feature Options
⏱️ Expiration Configuration
📤 Generated Output
What Can the Service Worker Generator Do?
The Service Worker Generator is a free online PWA development tool， open throughcanvisualization sideFastconfigService Worker cachepolicy、offlinefallback、Push Notificationsetcfeature， keyGenerateproduction-ready code.supportsWorkboxandpure two typesImplementation，Noneedmanualdynamicencodewrite SWlogical ，big reducePWAopen .
feature
- canvisualizationcachepolicy：5typecachepolicy（Cache First/Network First/Stale-While-Revalidate/Cache Only/Network Only）， URLMode config
- pre-cache ： whenpre-cacheaboutkey sourceURLlist，confirmprotectedfirstsubloadafteri.e.canoffline
- offlinefallback：networkunavailablewhenautodynamicshowofflinepageside，provides good userbody
- Push Notifications：autodynamicGeneratepusheventlistenerandnotificationclickprocesscode
- doubleModeOutput：Workbox CDNMode（feature ）and JSMode（zerodependent）， needSelect
using
1. inbaselocalconfig SettingsCache Name、SelectImplementation（Workboxor JS）.
2. incachepolicy AddURLmatchesrule，fordifferentType sourceSelectcombinedfit cachepolicy（such asimageuseCache First，APIuseNetwork First）.
3. infeatureOptions enableneed feature：pre-cache、offlinefallback、Push Notifications、Background Syncetc.
4. configthrough Parameters（Max Cache Entriesnumberanddaynumber）， stopcacheNo long.
5. click"Generatecode" getService Workercode，CopyorDownloadsw.jsfile.click"Generateregistercode" getpagesideregisterSW codefragment.usingCtrl+EnterFastGenerate，Ctrl+Shift+CCopyResult.
Applyscenario
scenario1：PWAofflineApply
frontendopen willWebApplyconvertforPWAwhen，usinglocalToolsFastGenerateService Workercode，implementoffline 、cache and hint，Noneeddeep SW API.
scenario2：Performanceoptimize
network person throughconfigcachepolicyoptimize sourceloadSpeed，static sourceCache Firstdecreasenetworkrequest，APIDataNetwork Firstprotected physicalwhenproperty，Stale-While-Revalidatepolicy Speedandnew degree.
scenario3：message
backendopen needimplementWebPush Notificationswhen，enablePush NotificationsOptionsi.e.can getcomplete pusheventprocesscode，supportscustomnotificationtitle、contentandgraphstandard.
scenario4： dynamicendoptimize
dynamicendH5Applyinnetworknot setwhenneedprovidesofflinebody ，throughService Worker offlinefallbackandcachepolicy，confirmprotectedweaknetworkand networkscenariounder cannormalusing.
extension
Service WorkerisPWA ，RuninBrowsetoolafter independentline in， periodincludinginstall、activate、fetch event.WorkboxisGoogle exit SWToolslibrary， commonusecachepolicyandmost physical ，big simpleizeSWopen .cachepolicySelect ：notcommon ize source(Font/image)useCache First， complexupdate content(API)useNetwork First，can short through DatauseStale While Revalidate.Service WorkermustmustinHTTPS underRun（localhostexampleoutside）， registerafterneedRefreshpagesidethencan .
What is a Service Worker?
A Service Worker is a script that runs in the browser background, independent of web pages. It can intercept network requests, manage caches, and handle push notifications. It is the core technology for building PWAs (Progressive Web Apps).
Can the generated code be used directly?
Yes. The generated code follows Workbox best practices, including install, activate, and fetch event handlers with multiple caching strategies. It can be deployed to production directly.
What caching strategies are supported?
5 strategies are supported: Cache First, Network First, Stale While Revalidate, Cache Only, and Network Only.
How to Use Free Service Worker Generator?
Enter your content in the input area, click the action button, and view the result. All computation happens on your device — Cache Name, Implementation and other inputs stay in your browser.
Does it support push notifications?
supports.enablePush NotificationsOptionsafter，Generate codecontainspusheventlistenerandnotificationclickeventprocess.
Is my data safe?
Completely safe. All configuration and code generation is done locally in your browser. No data is uploaded to any server.
About Free Service Worker Generator
Free online Service Worker code generator. Visually configure caching strategies, offline pages, push notifications. One-click production-ready SW code. 100% client-side. Try now!