AI Column Mapper Online - Free Browser Tool

Delimiterdetected: ","

Output

Matching

Input schemas ("--- source" and "--- target")306bytes·6source·6target

Mapping CSVCSV6mapped·589bytes

target_field,target_type,source_field,source_type,confidence,action,reason
id,unknown,customer_id,integer,69%,review,similar field name; type can be reviewed
name,unknown,full_name,string,69%,review,similar field name; type can be reviewed
email,unknown,email,email,85%,rename,same normalized name; type can be reviewed
created_at,unknown,signup_date,date,85%,rename,same normalized name; type can be reviewed
lifetime_value,unknown,total_spend,float,85%,rename,same normalized name; type can be reviewed
status,unknown,is_active,boolean,69%,review,similar field name; type can be reviewed

Source fields6

Target fields6

Mapped6

Strong matches3

Review3

Unmapped0

target	source	confidence	action	reason
idunknown	customer_idinteger	69%	review	similar field name; type can be reviewed
nameunknown	full_namestring	69%	review	similar field name; type can be reviewed
emailunknown	emailemail	85%	rename	same normalized name; type can be reviewed
created_atunknown	signup_datedate	85%	rename	same normalized name; type can be reviewed
lifetime_valueunknown	total_spendfloat	85%	rename	same normalized name; type can be reviewed
statusunknown	is_activeboolean	69%	review	similar field name; type can be reviewed

Tip: use samples, upload, copy, download, and send-to actions inside the workspace where available.

What is AI Column Mapper?

AI Column Mapper is a free, browser-based tool that helps you get the job done quickly. Map fields between two datasets with AI. It's built for speed and privacy: Everything runs locally in your browser — your data is never uploaded to a server. No sign-up, no installs, and no daily limits.

How to use AI Column Mapper

1Paste or drop your data into the workspace.
2Adjust the available options to suit your data.
3Copy or download the result — it never leaves your browser.

Features

Fast, focused, and easy to use
100% client-side — no upload, fully private
Free with no account, no watermark, and no daily limit
Works on large inputs, limited only by your device's memory
Load a sample, then copy, download, or share your result

Common uses

Quick one-off data jobs without opening a heavy app
Preparing data before importing it elsewhere
Sharing a reproducible result with a teammate via a link

Frequently asked questions

How do I use AI Column Mapper?: Paste or drop your data into the workspace, adjust the options to fit your data, then copy or download the result. Map fields between two datasets with AI.
Is my data uploaded or stored anywhere?: No. Everything runs locally in your browser — your data is never uploaded to a server. Nothing is sent to a server, so it's safe to use with private or sensitive data.
Is AI Column Mapper free?: Yes — it's completely free with no account, no sign-up, no watermark, and no daily usage limits.
What's the maximum file size?: There's no hard limit imposed by the tool. Because processing happens in your browser, the practical ceiling is your device's available memory — most everyday files work instantly.
Do I need to install anything?: No installs and no extensions — it runs entirely in your web browser and even works offline once the page has loaded.

target

source

confidence

action

reason

idunknown

customer_idinteger

69%

review

similar field name; type can be reviewed

nameunknown

full_namestring

69%

review

similar field name; type can be reviewed

emailunknown

emailemail

85%

rename

same normalized name; type can be reviewed

created_atunknown

signup_datedate

85%

rename

same normalized name; type can be reviewed

lifetime_valueunknown

total_spendfloat

85%

rename

same normalized name; type can be reviewed

statusunknown

is_activeboolean

69%

review

similar field name; type can be reviewed

Frequently asked questions

How do I use AI Column Mapper?

Paste or drop your data into the workspace, adjust the options to fit your data, then copy or download the result. Map fields between two datasets with AI.

Is my data uploaded or stored anywhere?

No. Everything runs locally in your browser — your data is never uploaded to a server. Nothing is sent to a server, so it's safe to use with private or sensitive data.

Is AI Column Mapper free?

Yes — it's completely free with no account, no sign-up, no watermark, and no daily usage limits.

What's the maximum file size?

There's no hard limit imposed by the tool. Because processing happens in your browser, the practical ceiling is your device's available memory — most everyday files work instantly.

Do I need to install anything?

No installs and no extensions — it runs entirely in your web browser and even works offline once the page has loaded.