Simple WebSocket Client

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Construct custom Web Socket requests and handle responses to directly test your Web Socket services.

Latest reviews

• (2022-10-20) Michael Fletcher: I can test my websocket using swcat and it works fine but with this I get "undefined", useless. Flat out doesn't do the job. It's probably spyware.
• (2022-08-06) Terence Lau: Very useful tool. Thanks to the author! A suggestion by the way: Hope to change the width of the URL input box to 90% instead of the current 225px. This makes it easier to modify the URL.
• (2021-03-30) Heine Ken Millinge: Does not detect when server closes connection...
• (2020-12-16) Carlos Fau: It connected but the text sent to the server was in a incorrect encoding. The text was encoded as two byte characters, the receiver buffer had zero bytes after each text byte. The reception of messages worked ok.
• (2020-02-04) 시금치맨: very nice goooooooooooooood
• (2019-12-04) Geraldo Eloi: Simples e útil. Deixa mais clara a situação da conexão e mantêm um histórico das conexões. Poderia ter uma interface menos arcaica.
• (2019-09-26) 1) Text areas were poorly laid out and not usefully configured (e.g., no text wrapping, no ability to have multiple texts to send without awkward copy/paste) 2) Sometimes (around 10-20% of the time) when you click the Send button it shows up as sent (in red text below the button), but Wireshark would show that it hadn't sent a damned byte since the protocol upgrade. THIS WASTED A DAY for me, and will for you, too. Normally one has to TRY to make something worse than useless, but it looks like they succeeded.
• (2019-08-18) Jason Hughes: Super helpful for testing server code.
• (2019-07-06) Mohammad Gholami: Great and easy to use extension
• (2019-05-29) Don Grasberger: Simple. Exactly what I was looking for.
• (2019-03-14) Rıza Sabuncu: Birader cok güzel tool yazımşssın da biraz arayüze kas allah için ya, valla içim sıkılıyor daralıyorum abi
• (2019-03-12) Eric Lin: Easy to use. Nice shot!
• (2019-02-28) Works ok but not sure why devs insist on using tiny unsizable text boxes when there is plenty of real estate. A button to copy the log to clipboard would be useful.
• (2019-01-09) Philipp Bergamin: Does what it should
• (2018-11-10) Nick Spreen: No Cookie or other headers supported. Cannot be used for authentication.
• (2018-11-06) Let my people go: Doesnt work properly.
• (2018-08-17) Adam S: this saved me a load of time testing endpoints. very useful tool for testing local environments and production live site environements
• (2018-05-14) alex basov: Клиент так себе. - Не обрабатывается ошибка подключение. Если соединение разорвано, то это не как не видно. - Очень маленькое поле для ввода URL. - Не хранит историю url и пакетов
• (2018-04-07) Filip Shulevski: Does the Job!
• (2018-01-18) Jose Monzon: Does not support Sec-WebSocket-Protocol header
• (2017-03-24) Shenal Senarath: Gets the work done but need a better UI UX
• (2017-03-15) John kariru: just works....
• (2017-03-08) vbnetvbnet: Very nice!
• (2017-01-27) Botino: It doesn't work !
• (2017-01-04) I have 2 complaints: - Why does it need to know my browsing-history - I can't subscribe to any topic
• (2016-12-05) Martin Ždila: I wasn't able to specify subprotocol.
• (2016-11-14) Martin Spizman: Very basic yes, but very useful and dependable.
• (2016-09-29) Sergey Balykov: Bad layout.
• (2016-09-12) J dP: Text boxes are too small and the output text box has no horizontal scroll bar, or text wrapping. It also truncates data if its too large which is a pain. Would be much better if it could save history of requests.
• (2016-08-01) Neil Kolban: Just what I needed. Would like the URL entry field to be wider.
• (2016-07-04) 닉챠갈: 테헷
• (2015-11-02) JCDenton Alex Melyon: Было бы неплохо если бы он восстанавливал данные полей и их размеры.