Text Filter

World's simplest text filter. Load your text and instantly get filtered results.

Simple Tool · v1.0
12
Filter Modes
Contains, Regex, Length
10MB
Max Input
Text input limit
Regex
Advanced
Pattern matching
Instant
Processing
Real-time result

Text Filter Pro

Filter lines by keyword, regex, length, or custom rules

Keep lines that CONTAIN the keyword.
Case Sensitive
Invert Filter
Trim Lines
Remove Empty
Max size: 10MB · One item per line
Perfect for filtering logs, cleaning wordlists, extracting patterns, and more.

Examples

Filter by Keyword

Input:
admin
user
guest
administrator
Filter: "admin" (Contains)
admin
administrator

Filter by Regex

Input:
192.168.1.1
10.0.0.5
hello
172.16.0.1
Regex: IP pattern
192.168.1.1
10.0.0.5
172.16.0.1

Filter by Length

Input:
a
ab
abc
abcd
abcde
Length 3-4
abc
abcd

What is Text Filter?

A text filter keeps only the lines that match your criteria. It's like grep but in your browser — no installation needed.

Common Use Cases

Log analysis — filter errors or specific IPs
Wordlist cleaning — keep only valid entries
Data extraction — extract emails, URLs, IPs
Text processing — remove unwanted lines

Regex Quick Reference

^\d+$ — only numbers
^\w+$ — word characters only
@ — lines containing @
^https?:// — URLs