10 Free Text & String Dev Utilities Online

Live

API Key Generator

Generate a random API-key-style token with a configurable prefix.

8 views

Live

Line Numbering Tool

Add line numbers to text or code, with a custom start and separator.

7 views

Live

String Reverser

Reverse any text, correctly handling multi-byte characters like emoji.

6 views

Live

Duplicate Line Remover

Remove repeated lines from a text block, keeping the first occurrence.

6 views

Live

Text Line Sorter

Sort text lines alphabetically or numerically, ascending or descending.

6 views

Live

Character Frequency Counter

Count how often each character appears in a text, sorted by frequency.

6 views

Live

Find and Replace Tool

Find and replace text, optionally using a regular expression.

5 views

Live

Text Truncator

Truncate text to a max length with an ellipsis, optionally at whole words.

5 views

Live

Whitespace Trimmer

Trim leading/trailing whitespace and collapse extra spaces from every line.

3 views

Live

Remove Empty Lines Tool

Strip blank lines from text, or collapse consecutive blank lines to one.

3 views

Text & String Dev Utilities

Popular in Text & String Dev Utilities

All Text & String Dev Utilities Tools

API Key Generator

Line Numbering Tool

String Reverser

Duplicate Line Remover

Text Line Sorter

Character Frequency Counter

Find and Replace Tool

Text Truncator

Whitespace Trimmer

Remove Empty Lines Tool

Text & String Dev Utilities

Popular in Text & String Dev Utilities

API Key Generator

Line Numbering Tool

String Reverser

All Text & String Dev Utilities Tools

API Key Generator

Line Numbering Tool

String Reverser

Duplicate Line Remover

Text Line Sorter

Character Frequency Counter

Find and Replace Tool

Text Truncator

Whitespace Trimmer

Remove Empty Lines Tool

API Key Generator

Line Numbering Tool

String Reverser