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Cardboard

YC W26

San Francisco, US · Founded 2025 · 8 employees · Hiring · 5 known investors

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Cardboard is an AI-powered video editing platform that automatically finds key moments in footage, generates captions and dubbing, and produces multi-format videos optimized for different platforms. It serves content creators and video production teams who need to reduce editing time.

AI & Machine LearningCreator EconomyEnterprise SoftwareIndiaSouth Asia

Founders & leadership· Y Combinator alumni (W26)

Cardboard was founded in 2025 by Saksham Aggarwal and Ishan Sharma.

SASaksham Aggarwal
Saksham AggarwalCo-Founder & CEOSaksham Aggarwal studied computer science at BITS Pilani and has worked as an engineer and in growth roles at venture-backed startups including PYOR and Flint, while previously building AI products at Iterate AI. He has published research on AI topics and spoken on AI evaluations internationally.
ISIshan Sharma
Ishan SharmaCo-Founder & CTOHe previously spent approximately 4.5 years at HackerRank leading product development, and has background in web systems and applied AI.
AR
Andreas RøyrvikFounder
JG
Jakob Gerhard MartinussenFounder
SM
Stein Magnus JodalFounder
VK
Vidhi KumarFounder
MB
Mrigank Bhargava
FO
Founders OfficeOffice

Investors · 5

CRV (Charles River Ventures)reportedBay Area · $250K – $5M

How we know: Y Combinator's founder network · Not right? Tell us

Lightspeed Venture PartnersreportedMenlo Park · $1M – $5M

How we know: Y Combinator's founder network · Not right? Tell us

Parable PartnersreportedSan Francisco

How we know: Y Combinator's founder network · Not right? Tell us

Phosphor Capitalreported

How we know: Y Combinator's founder network · Not right? Tell us

Funding

SEC filings, press & company announcements

Source: company announcements and press reports — follow each round's link for the claim.

Founder mafia

2 people who came through Cardboard went on to found or lead other companies.

Ishan SharmaCTOFounded SellscaleSaksham AggarwalCEOFounded Iterate AI

Related companies · 1

DescriptDescript is a video creation and editing platform that enables marketing and product teams to produce and update video content quickly using text-based editing. The platform serves companies looking to create product videos, sales enablement content, and social media material without requiring specialized production expertise.

Companies working in the same space as Cardboard.

Legal entities · 1

corporate structure
Cardboard, Inc.

In the news

Cardboard - Agentic Video Editorycombinator.com · Feb 2026Cardboard Funding: $2.1M | Complete Analysis | Extruct AIextruct.ai

Frequently asked questions

What does Cardboard do?
Cardboard is an AI-powered video editing platform that automatically finds key moments in footage, generates captions and dubbing, and produces multi-format videos optimized for different platforms. It serves content creators and video production teams who need to reduce editing time.
Who founded Cardboard?
Cardboard was founded by Saksham Aggarwal, Ishan Sharma in 2025.
Who are Cardboard's investors?
Cardboard's investors include Y Combinator, CRV (Charles River Ventures), Lightspeed Venture Partners, Parable Partners, Phosphor Capital.
Where is Cardboard headquartered?
Cardboard is headquartered in San Francisco, US.