How-ToMarch 8, 2026

How to Clean and Format Text Online — Practical Guide

A practical guide to common text-cleaning tasks: word count, case conversion, line sorting, whitespace removal, and deduplication.

TL;DR

Browser-based text tools handle the most common text-cleaning tasks — word counts, case conversion, line sorting, whitespace removal — instantly, with no software to install. Start with Text Tools.

Why Text Cleaning Matters

Text rarely arrives in the format you need it. Copy from a PDF and you get double spaces. Export from a database and you get inconsistent casing. Scrape a webpage and you get blank lines everywhere. Cleaning text before using it in your project saves time and prevents errors downstream.

Common Text-Cleaning Tasks

Word & character count

Writing for a blog, social post, or document with a word limit? Paste your text into the Word Counter for an instant count of words, characters, sentences, and paragraphs.

Case conversion

Need UPPERCASE for a heading, Title Case for a name list, or lowercase to normalize database input? Case Converter converts any text in one click. Also supports camelCase and snake_case for developers.

Sort lines alphabetically

Pasted a list that needs to be alphabetical? Or want to reverse the order? Sort Lines handles ascending, descending, and random shuffle. Optionally ignore case during sorting.

Remove duplicate lines

Merging two lists and ending up with duplicates is a classic problem. Remove Duplicate Lines strips every repeated line, keeping only unique entries.

Generate URL slugs

Converting a title like “My Blog Post!” to a URL-safe slug like my-blog-post is tedious to do manually. Slug Generator does it instantly.

Reverse text

Whether for wordplay, testing, or a specific encoding requirement, Reverse Text flips your text character by character or word by word.

Quick Tips for Cleaner Text

  • Normalize casing first — lowercasing all input before sorting or deduplicating prevents “Apple” and “apple” from being treated as different entries.
  • Remove blank lines early — blank lines in a list can cause empty entries when importing into a database or spreadsheet.
  • Use slugs for URLs — always convert user-facing titles to slugs before using them in URLs to avoid encoding issues with spaces and special characters.
  • Word count before submitting — SEO meta descriptions should be under 160 characters; LinkedIn posts have a 3,000 character limit. Check before you hit publish.

All Text Tools

Browse the full Text Tools category for all available tools — word counter, case converter, line sorter, duplicate remover, slug generator, reverse text, and more.

Related Tools