Faster, more insightful code reviews... even if it's a 600 file change.

CodeSee is a dev tool that simplifies code reviews by automatically visualizing the dependencies of your code change. Uncover how your change impacts the rest of the code.

A single change can bring down an entire system.

CodeSee visualizes your code changes making reviews manageable while decreasing the likelihood of shipping bugs.

Try it free
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Watch demo
See the impact of changes before merge.
Reviewers know what issues to look for, what has changed and why, and can visually grasp the impact of every PR, starting with the areas of code with the greatest impact, stepping through code logically instead of alphabetically, and focusing on what’s important.
Seamless communication of intent
Form an instant mental model of what an author intended. Concentrate on development rather than figuring out how the code works.
Automate code for maintainability at scale.
Automate code knowledge, compliance and security processes so your reviews are consistent and dev know what issues to look for. Well-defined checklists ensure nothing is missed.
CodeSee product view

See Review Maps in action.

Crowdsource your knowledge.

Use a map in your editor to collect and connect your thoughts as you are coding, connect features, tech debt, ownership and more to the code.

CodeSee map view

Review & collaborate.

Use a map in your editor to collect and connect your thoughts as you are coding, connect features, tech debt, ownership and more to the code.

CodeSee map view

Automate your codebase.

Use a map in your editor to collect and connect your thoughts as you are coding, connect features, tech debt, ownership and more to the code.

CodeSee map view

More words from developers.

"CodeSee now provides my primary method to identify differences in the code and where to make changes.”

Amy M.
Pvolve

"... if I’m interacting with a given product/given project, and I need visibility into what parts of the code are responsible for doing what I am doing at a particular time, CodeSee really helps with that.”

Ryan Abrams
Senior Engineer, Stripe

“I like the ability to apply Labels and Notes to a CodeSee Map. The Notes are really, really helpful.”

Joan M. Davis

“I am able to visually see the changes in a pull request and begin to create a phased solution for staggering deployments."

Amy Meyers
Pvolve

“I really like everything being visualized, which is why I use CodeSee.”

Jack Gaarkeuken
Full-stack Developer

“Using CodeSee to take on a new codebase, I’m able to save up to 4 hours a week across my open-source projects.”

Joan M. Davis

"This is legitimately cool. Don't miss out."

Kyle R. Conway
@K_REY_C

“CodeSee allows Distribute Aid to implement relay-style code handoffs. Everyone is up to date, and we can maintain our momentum without burning out our volunteers.”

Taylor
Senior Engineer, Distribute Aid

"A pretty interesting product for understanding large codebases logically instead of going through plain text documentation."

Akash Hamirwasia
@blenderskool

“Quickly and scalably onboard engineers by visualizing your codebase. Code as stories, document as you go. Plenty to like, one to watch for 2021.”

James Governor
Co-Founder, RedMonk

"Been using CodeSee and it's a game changer... get used to navigating a codebase fast."

Lucia Cerchie
@CerchieLucia

"... I am very excited for how much easier navigating code reviews will be."

chaseadamsio
@chaseadamsio

“CodeSee gives me more visibility into what code is responsible for what parts of the product."

Ryan Abrams
Senior Engineer, Stripe

"CodeSee now provides my primary method to identify differences in the code and where to make changes.”

Amy M.
Pvolve

"... if I’m interacting with a given product/given project, and I need visibility into what parts of the code are responsible for doing what I am doing at a particular time, CodeSee really helps with that.”

Ryan Abrams
Senior Engineer, Stripe

“I like the ability to apply Labels and Notes to a CodeSee Map. The Notes are really, really helpful.”

Joan M. Davis

“I am able to visually see the changes in a pull request and begin to create a phased solution for staggering deployments."

Amy Meyers
Pvolve

“I really like everything being visualized, which is why I use CodeSee.”

Jack Gaarkeuken
Full-stack Developer

“Using CodeSee to take on a new codebase, I’m able to save up to 4 hours a week across my open-source projects.”

Joan M. Davis

"This is legitimately cool. Don't miss out."

Kyle R. Conway
@K_REY_C

“CodeSee allows Distribute Aid to implement relay-style code handoffs. Everyone is up to date, and we can maintain our momentum without burning out our volunteers.”

Taylor
Senior Engineer, Distribute Aid

"A pretty interesting product for understanding large codebases logically instead of going through plain text documentation."

Akash Hamirwasia
@blenderskool

“Quickly and scalably onboard engineers by visualizing your codebase. Code as stories, document as you go. Plenty to like, one to watch for 2021.”

James Governor
Co-Founder, RedMonk

"Been using CodeSee and it's a game changer... get used to navigating a codebase fast."

Lucia Cerchie
@CerchieLucia

"... I am very excited for how much easier navigating code reviews will be."

chaseadamsio
@chaseadamsio

“CodeSee gives me more visibility into what code is responsible for what parts of the product."

Ryan Abrams
Senior Engineer, Stripe

“CodeSee gives me more visibility into what code is responsible for what parts of the product. So if I’m interacting with a given product/given project, and I need visibility into what parts of the code are responsible for doing what I am doing at a particular time, CodeSee really helps with that.”

Picture of Ryan Abrams from Stripe
Ryan Abrams
Senior Engineer, Stripe

"... I am very excited for how much easier navigating code reviews will be."

chaseadamsio | @chaseadamsio
Twitter user
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"Been using CodeSee and it's a game changer... get used to navigating a codebase fast."

CodeSee employee
Lucia Cerchie | @CerchieLucia
Twitter user
Twitter icon

“Quickly and scalably onboard engineers by visualizing your codebase. Code as stories, document as you go. Plenty to like, one to watch for 2021.”

James Governor
Co-Founder, RedMonk
Twitter icon

"A pretty interesting product for understanding large codebases logically instead of going through plain text documentation."

CodeSee employee
Akash Hamirwasia | @blenderskool
Twitter user
Twitter icon

“CodeSee allows Distribute Aid to implement relay-style code handoffs. Maps document the current state of the code for incoming devs, so others can wind down. Everyone is up to date, and we can maintain our momentum without burning out our volunteers.”

Taylor
Senior Engineer, Distribute Aid

"This is legitimately cool. Don't miss out."

CodeSee employee
Kyle R. Conway | @K_REY_C
Twitter user
Twitter icon

CodeSee deep dives

In Q1 2022, using CodeSee saved the Distribute Aid development team on average 10 hours per month in code review, amounting to an estimated $19,500 per quarter in aid delivered.

Taylor

CTO of Distribute Aid

Speed up your code review by 50%

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Don't be Southwest Airlines: Convince your leadership to refactor your codebase

How many developers at Southwest warned managers and the executive team that they needed to upgrade their legacy system? All of them.

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Refactoring and the Monolith-to-Services Migration

Refactoring is easy—as long as you don’t work with other people or touch anybody else’s code.

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Why Everyone on Your Team Should Understand the Codebase (Even a Little)

Do non-coders on your team, like sales and marketing reps, management execs, understand how your app works? Maybe they should. But only a little is needed.

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Want to see it work its magic?

Book a demo
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You're in great company.

We’re building a code visibility platform for development teams of all sizes, in companies at every stage—from startups to Fortune 500.

See the value and results from innovative teams using CodeSee that you can replicate across your team.

See how customers use CodeSee

Change the game using code reviews.

Try it free