Extract specific columns from CSV data by header name. Select the columns you need and get a clean CSV with only your chosen fields. Everything runs locally in your browser — nothing is uploaded.
Remove duplicate rows from CSV data based on a specific column. Keep only unique values for cleaner datasets.
Rename CSV column headers in bulk using old:new mapping. Quickly relabel columns for data standardization and reporting.
Validate CSV formatting — detect inconsistent column counts, quoting errors, and malformed rows. Get detailed issue reports.
Extract tables, form fields, and key-value pairs from multiple PDFs simultaneously and export the aggregated data to a single CSV or Excel file. Everything runs locally in your browser — nothing is uploaded.
Extract filled form fields from hundreds of identical PDF forms and aggregate responses into a single CSV. Large-scale survey and application processing teams depend on it. Everything runs locally in your browser — nothing is uploaded.
Column Extractor lets you extract specific columns from CSV data by header name. Select the columns you need and get a clean CSV with only your chosen fields. Everything runs locally in your browser — nothing is uploaded.. It works on any device with a modern web browser.
Extract specific columns from CSV data by header name. Select the columns you need and get a clean CSV with only your chosen fields. Everything runs locally in your browser — nothing is uploaded. It runs entirely in your browser — no software installation or data uploads required.
Paste or type your content directly into the provided text area.
Yes. After the initial page load, Column Extractor runs entirely on your device with no internet connection needed. All processing is done locally.
Extract specific columns from CSV data by header name. Select the columns you need and get a clean CSV with only your chosen fields. All processing runs locally in your browser.
Yes. Completely free with no usage limits, registration, or hidden charges.
Yes. All utility tools are fully responsive and work on any device.
Your data never leaves your browser. All processing runs locally.
Column Renamer
Rename CSV column headers in bulk using old:new mapping. Quickly relabel columns for data standardization and reporting.
CSV Row Filter
Filter CSV rows by column value matching. Includes exact match, contains, and not-equal operators for flexible data selection.
Data Format Converter
Convert between JSON, CSV, XML, YAML, and TSV data formats. Pick any input and output format — your files never leave your device.
XLSX ↔ CSV Converter
Bidirectional converter between Excel spreadsheets (XLSX) and CSV files. Select sheets, choose delimiters, and preview data before converting.