Social media YouTube channel in August 2017 Koshy began posting comic videos on the
Vine platform, in 2013, under the pseudonym "Lizzza", where she posted short comedic videos. When Vine closed in 2017, Koshy had 7 million followers. By 2016, Koshy was also becoming noted on the
YouTube platform. In November 2016, just before the 2016 election, Koshy interviewed President Barack Obama on her YouTube channel to encourage voter registration. Koshy's videos feature "her loud facial expressions, quick pace, and her commitment to looking as ridiculous as possible as the joke demands. [Some of her videos] take serious issues – like anxiety, the pressure to fit in, and internet trolls – and make them accessible and engaging for her viewers." She suspended adding new videos to her main YouTube account in early 2018 as she turned to full-time acting and hosting work. She resumed posting new videos in 2019. In 2017, Koshy became "the fastest YouTube personality to reach 10 million subscribers". As of 2021, her main YouTube channel had over 17 million subscribers and more than 2 billion views. Her second YouTube channel had more than 8 million subscribers, and her two channels had a combined total of more than 3 billion views. more than 26 million followers on
TikTok more than 4 million on Facebook and more than 2.8 million on Twitter.
Time named Koshy to its 2019 list of the 25 Most Influential People on the Internet and its 2019 100 Next list.
Acting In 2016, Koshy starred in the
Hulu original horror series
Freakish as Violet Adams. She reprised the role in the show's second season in 2017. Also in 2016, she played the role of Aday Walker in the horror-comedy feature film,
Boo! A Madea Halloween, and starred as herself in the
YouTube Premium series,
Jingle Ballin. Koshy starred as Princess Aubrey in the 2016 comedy film
FML. In 2017, she played a recurring character, The Explorer, in the YouTube Premium mystery-reality series
Escape the Night. Koshy stars in and co-produces a YouTube Premium situation comedy series,
Liza on Demand, which premiered in June 2018, "following the chaotic misadventures of the eponymous character" as she works to become an "elite tasker" doing odd jobs for pay. A reviewer for the
Los Angeles Times wrote: "The first episode ... is not bad. Yet it's also ordinary and a little stiff. … But the second ... is better ... and shows off Koshy to good effect, some effective physical comedy included. It made me laugh, anyway." Season 2 premiered in September 2019. Alexis Gunderson of
Paste wrote in 2019: "
Liza on Demand a truly excellent comedy." In November 2018, Koshy voiced the character Owl in
Crow: The Legend, an animated virtual-reality short film written and directed by
Eric Darnell, starring
John Legend. The film premiered on the Liza Koshy Too YouTube channel and
Oculus VR on November 15, 2018. She returned to
Escape the Night in 2019. She co-starred in the Netflix dance-comedy film
Work It (2020). A review in
The New York Times stated: "Both Koshy and [Jordan] Fisher are accomplished professional dancers, and the movie doesn't skimp on showcasing their gifts." Koshy voiced Zipp Storm in the 2021 Netflix film
My Little Pony: A New Generation. In 2023, it was announced that she would voice Serena in
Primos.
Other ventures Koshy hosted the live preshow at the
2017 Golden Globes Awards, and served as a producer and developer of content for MTV. Koshy was the first "digital star" interviewed for
Vogue magazine's "73 Questions" web series. Koshy conducted interviews of the celebrities attending the 2018 and 2019
Met Galas on behalf of
Vogue. She hosted the revival of the
Nickelodeon game show Double Dare from June 2018 to December 2019. In 2020, Koshy hosted the
Quibi dance competition show
Floored. Her online advertisements for
Beats Electronics attracted four times more viewers than those of other celebrities. Koshy collaborates with
The Giving Keys, a jewelry company that employs and supports people tranistioning out of homelessness, on a necklace collection. She is a co-chair of "When We All Vote", a nonpartisan, nonprofit group dedicated to increasing voter participation and promotes
Beyond Meat. ==Personal life==