Custom JavaScript for Websites 2

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Run custom JavaScript on any website.

Latest reviews

• (2023-10-26) Николай Друг (NickIAm): It's an insane extension that I cannot live without. It made my life so much easier on so many websites!
• (2023-09-20) Anshu kumar: love it
• (2023-08-22) Nathi Nonthasen: Please allow more code size, import & export.
• (2023-03-23) Ramit Bhalla: Awesome plugin, wish it had an option to run a script automatically when the page loads instead of having to open and click save each time
• (2023-02-08) Hatem Badawi: magical
• (2022-10-28) Alexander Aristizabal: It is great, but today I had a bad experience, I can not simply work with special characters like á, when executed shows a squre for non recognized character
• (2022-10-13) Khalfani Wadlington: It did everything that it said it would do
• (2022-08-31) D Radič: The JavaScript injection worked but could not inject CSS.
• (2022-07-15) Brian Nydegger: Nice tool, thanks
• (2022-02-08) KaRaYeL HAXBALL: Failed to save your script, it's usually because your script is too large to store in storage.sync. Please reduce your script size and try again! We know this problem and try to fix it, please follow this issue if you want.
• (2022-02-06) Suraj Chourasia: It's really that one outstanding extension which I was finding on google... Good work team👍
• (2022-02-05) Donatas Činka: This plugin not perfect, but it does its job. Many similar plugins i tried and only this one works.
• (2022-02-01) Edward Forshaw: Really useful tool. I'm only using it on one website, to vary zoom levels on different pages on the same host.
• (2022-01-28) P YC: 적용 잘되고, 직접 작성하는 자바라 가능성이 무한해요. 저는 성인광고를 지우거나 하는 용도로 써요!
• (2022-01-28) Việt Đậu Minh: Cho đến thời điểm hiện tại thì extension khá tốt và chưa gặp vấn đề gì cả. Khá hài lòng!
• (2021-10-25) Vlad Frank: not working
• (2021-10-13) Quakduck: Hi, I really like your platform but platform but in "All Host & Patterns" list, please add the ability to toggle on/off actions from running when you open a URL so can test and save your work. Also please add the ability to put groups of URL-actions in folders, and to name actions and folders.
• (2021-08-24) Sunder Rawat: work perfectly for custom javascripts
• (2021-08-24) tosl scrubber: After figuring out the convoluted instructions, clicking save does nothing... NOTHING!. Another failed attempt at saving Youtube subs.
• (2021-07-28) Dmitry S: Just great!
• (2021-05-18) Roul P.: SInce version 2 this app works only randomly, also if I clear "disable" this app "for this host" the app activated himself randomly even the browser is restarted. So all in all not usable anymore for me.
• (2021-05-10) 이재진: How to migrate from v2.2.5(poakhlngfciodnhlhhgnaaelnpjljija)? I have so many site script. I can't move it one by one.
• (2021-05-07) Hatef Rostamkhani: Great
• (2021-05-05) Simon Brace: can't handle large scripts, just refuses to save.
• (2021-04-07) Никита: Локально работает! Конфиденциальность есть! Отлично
• (2021-04-03) Mr.Kleiner: perfect
• (2021-03-01) Ondrej Vávra: Unable to save script, says it's too long. No problem with original cjs.
• (2021-01-22) Tamás Kelő-Máté: Please use UTF-8!
• (2021-01-15) Anon Anon: Best of that extensions types.
• (2021-01-08) Sam Prince: This extension is awesome and has made the use of an off-the-shelf corporate web app much more tolerable.
• (2020-11-27) Vu Huu Trieu: cool
• (2020-11-10) YV , etc.: seems, you've broken it with trying to load this ")#%20//cdnjs.cloudflare.com/ajax/libs/underscore.js/1.8.3/underscore-min.js"
• (2020-10-27) Roman Karagodin: I am using this extension with my custom script I created to autofill forms on several sites, and I'm totally satisfied! I switched to this extension from "Custom JavaScript for Websites" (without "2"). Actually, CJS2 is an impoved CJS with several important bugs fixed (e.g., in CJS scripts are often ineditable, because their text in editor mystically disappears, except for the 1st line); also, CJS editor is almost impossible to be dealt with from mobile devices. Unlike the 1st version, CJS2 is totally free of these issues and does what it should do perfectly.
• (2020-10-15) Philippe Léger: Works nicely to inject custom CSS! (function(){ let style = ` <style> .nav-sidepanel__org-list { min-height: 400px; } </style>`; document.head.insertAdjacentHTML("beforeend", style); })(); :)
• (2020-09-24) Hridoy Hasan: awesome extension for appling custom script for any site. Thanks a lot.
• (2020-07-14) YOGESH KUMAR GUPTA: It does not work on Audi website: https://www.audi.de/de/brand/de/neuwagen/a6/rs-6-avant/zubehoer.html I tried inserting below code: window.onload = (event) => { alert('Page loaded') };
• (2020-04-04) Ayman Mansour: Fantastic! I love it!
• (2020-03-04) Marifjon Nadirov: Hi, I really like it! It works great but is how much code we can write is limited? because when I write a lot of code, it shows me an error.
• (2020-02-22) Fadli Heriyansyah: doesn't work in incognito, Already allow in incognito, even simple script such as console.log("1") doesn't work in incognito page, but work on normal page, please fix it, I really like this extension :(
• (2019-12-15) Simple Zone: wow
• (2019-12-06) Магазин Оселя: Works! Thanks!
• (2019-12-04) Boon -: i give 5 star, very good. Many stupid developer leave their production site with javascript broken, need to correct the code before we can submit the form.
• (2019-11-20) L Z: Отлично работает! Первая версия (тоже есть в магазине расширений) почему-то после ошибки обрубала выполнение скрипта и оставалась одна строчка. Тут же всё работает как надо. Спасибо!
• (2019-11-14) Milad Sohrabi: Doesn't work anymore document.getElementsById("txtUsername").value = "10";
• (2019-10-16) Kirill Yunussov: If I could give you 10 stars, I would! Love your extension. Personalizing and customizing the web however I wish. Love it!
• (2019-05-30) Nathi Nonthasen: Please allow more code size.
• (2019-05-11) Hoang Le: very helpful thanks you
• (2019-05-01) Jeremy Belpois: So helpful.
• (2019-03-29) Govarthanan Venunathan: I try to add own js file but its not working how to do that? please help me on this
• (2019-03-25) Jay: love the app but i found a website that it does not accept the injection from this extension.. it would be super if we could fix it!