Edit a lot of spreadsheets?See what WebCSV can do for you

The best way to edit your spreadsheets. Check out just a few of our nicer features below!

Live collaboration

Everyone on the same sheet, at the same moment

Share a link and edit together. Every keystroke lands for everyone instantly, with no merge step, no "who has the latest copy", no emailing files back and forth.

Share by link

Anyone with the link can edit. Lock it to "only you" when you'd rather they didn't.

See who's where

Each editor's selection shows in their own color, so you never type over each other.

No accounts required

Collaborators can jump in without signing up. Sign in to keep sheets forever.

Magic ToolPro

Describe the change. The AI edits the sheet.

"Split full names into first and last." "Fill in missing country codes." "Drop duplicate rows." The Magic Tool applies the edit live, and saves a version first so nothing is ever lost.

Plain English in, CSV out

No formulas to learn. Say what you want done to the columns and rows.

Safe by default

A version is saved before every run. Don't like the result? Restore in one click.

Works on the live sheet

Edits land in place, so everyone collaborating sees them as they happen.

Saved versionsPro

No more Q3_Orders-v3-FINAL_jenny_fix-EDITS.csv

Save a version before a big change and give it a name. Restore it in one click, or open it as a new sheet to compare. The history lives with the sheet, so nobody has to keep copies. Up to 50 versions per sheet.

CommentsPro

Leave a note right on the cell.

Pin a comment to any cell, or post one on the sheet as a whole. Everyone with the link can read and reply in place, so the conversation stays next to the data instead of in an email thread.

Anchored to the cell

A comment stays with its cell when rows and columns move, so it never ends up pointing at the wrong number.

Open to collaborators

Once the owner turns comments on, anyone with the link can join in. Authors and the owner can delete.

One feed for the sheet

The comments panel lists every note in order, and a click on one jumps straight to its cell.

API & MCP

Every sheet is an endpoint. And a tool for your AI.

Read and write any sheet over a simple HTTP API, or connect WebCSV as an MCP server so Claude, Cursor, and other assistants can read, edit, and create your sheets for you.

HTTP APIplain CSV in and out

# read the sheet as CSV

curl api.webcsv.com/sheet/aGmQQjCVJsANWd

# append a row (no key needed)

curl -X POST api.webcsv.com/sheet/aGmQQjCVJsANWd \

-d '10486,Lindqvist,SE,220.00'

MCP servertools your assistant can call

read_sheetPull a sheet's rows

append_rowsAdd rows everyone sees live

replace_rowCorrect a row in place

create_sheetStart a new sheet from your assistant

Works with Claude, Cursor, and any MCP client. Reading and editing a shared sheet needs no key. Add an API key (Pro) to create and list your own sheets.

Read the API documentation →

Your data stays a CSV. Your workflow gets everything else.

A free Basic account keeps your sheets forever. Pro adds the Magic Tool, version history, comments, templates, and API keys for $9 a month.