Batch String Operations

Local-first transformations for lists of lines

Input

Drag a .txt file to load. All processing is offline.

Operations

Output

Batch String Operations

Apply transformations to lists of lines: trim, case, replace (regex), add prefix/suffix, sort, dedupe, filter, numbering.

Text Tools

How people use it

This browser-based tool is designed to be fast, easy to use, and private by default. Open the tool, adjust the settings, and get results instantly without creating an account or sending files to a server.

Everything runs locally in the browser whenever possible, which reduces friction for users and makes the page more useful as a direct-answer landing page from search.

Common topics

The following topics are closely related to this tool and help explain what it is for:

Quick answers

What does this batch string tool do?

It transforms a list of lines with trim, case conversion, prefix/suffix, replace (plain or regex), include/exclude filtering, dedupe, sorting and numbering.

Does it support regex replacement?

Yes. Enable the Regex option to treat the search field as a regular expression.

Can I convert to camelCase/snake_case/kebab-case?

Yes. Choose a case mode like camelCase, PascalCase, snake_case or kebab-case.

More tools to explore

Batch String Operations Documentation & Guide

Apply transformations to lists of lines: trim, case, replace (regex), add prefix/suffix, sort, dedupe, filter, numbering. 100% offline, easy and free online string tool.

Overview

Batch String Operations is an easy and free online tool that runs in your browser.

What you can do with this tool

Key capabilities (based on the actual UI and code):

  • Supports files: .txt
  • Runs in your browser (local-first)

Read the full guide forBatch String Operations