Filter Text Online

Quickly filter and clean text by keywords, length, patterns, or duplicates. Extract exactly what you need from your text with advanced filtering options.

Filter Criteria

Ready to filter. Paste your text and set your criteria.

What is a Text Filter Tool?

A simple, no-fuss way to clean and sort your text—perfect when you're dealing with messy data or just need to find specific lines fast.

A text filter tool lets you quickly scan through chunks of text and pull out exactly what you want—without the hassle of doing it by hand. Think of it like a smart sieve for words: you set the rules, and it does the sorting.

Whether you're cleaning up log files, extracting key info from a list, or removing duplicate entries, this tool saves you time and effort. It’s built to handle everyday text cleanup tasks—fast, reliably, and right in your browser, no install needed.

And the best part? You don’t need to be a tech expert. Just paste your text, pick a filter (like keywords or line length), and hit apply. Instant results, zero fluff.

How to Use the Text Filter Tool

It's super straightforward—no learning curve, just quick results in a few clicks.

  1. Paste your text into the big box above—any format, any size (within reason!)
  2. Choose what you want to filter by: keywords, line length, patterns (regex), duplicates, or even custom rules
  3. Tweak the settings—like typing in keywords or setting a min/max length
  4. Hit “Apply Filter” and watch it instantly clean up your text
  5. Grab the output—copy it, download it as a .txt file, or start over

Need to remove blank lines or weed out repeats? Just select “Remove Empty Lines” or “Remove Duplicates.” Want to find lines with numbers only? Use the custom filter. Playing with logs or config files? Regex mode has your back.

Common Use Cases for Text Filtering

Real people use this tool every day for real tasks—here are some popular ways it comes in handy.

  • Data Cleaning: Got a CSV or list full of junk? Remove irrelevant lines, blanks, or duplicates in seconds.
  • Log File Analysis: Pull out only the error messages or IP addresses using keywords or regex.
  • Email List Cleanup: Strip out invalid entries or keep only lines with @ symbols.
  • Content Moderation: Filter out unwanted phrases or flag certain keywords in user-generated text.
  • Programming & Debugging: Isolate debug lines, extract URLs, or find all numeric values from output logs.

Tips for Better Filtering Results

Get the most out of the tool with these quick tips.

  • Use the “Include” vs “Exclude” options wisely—sometimes it’s easier to remove what you don’t want than keep what you do.
  • For keyword filtering, one keyword per line gives you cleaner control.
  • Turn on case-sensitive filtering if "Error" shouldn’t match "error".
  • In regex mode, test simple patterns first—like \d+ for numbers or https?:// for links.
  • Combine filters—run one filter, then another. For example, filter by keyword first, then remove duplicates.

Why This Tool Stands Out

There are plenty of text tools out there—but this one’s built for real-world use, not just flashy features.

No signups. No data sent to servers—it all stays in your browser for privacy. Lightning-fast performance, even with large inputs. And it works offline once loaded!

We made it simple because most people don’t need complexity—they just need something that works, right now. Whether you’re a developer, student, marketer, or admin, this tool fits smoothly into your workflow.