Free Tool
Data Standardizer
Fix common formatting inconsistencies in a selected column. Trim whitespace, normalize case, standardize Canadian province names or abbreviations, reformat postal codes, normalize dates to YYYY-MM-DD, and reformat phone numbers. Preview sample changes before applying, then download the cleaned dataset.
Files never uploaded
Preview before applying
Ambiguous values preserved
Your data never leaves your browser. All standardization is applied locally. No files are uploaded, stored, or transmitted.
Drop your CSV here, or click to browse
Accepts .csv, .tsv, and .txt files. Processing stays on your device.
CSVTSVTXT
Applying standardization…