DevToolHQ

JSON Formatter

Pretty-print and validate JSON data

Diff Checker

Compare two texts and highlight differences

Word Counter

Count words, characters, sentences, paragraphs, and estimate reading time.

Remove Duplicate Lines

Remove duplicate lines from your text, keeping only unique entries.

Sort Lines

Sort lines of text alphabetically.

Reverse Text

Reverse the entire string of text character by character.

Remove Line Breaks

Join all lines into a single paragraph by replacing line breaks with spaces.

Remove Extra Spaces

Collapse multiple spaces and tabs into single spaces and trim each line.

Add Line Numbers

Prepend line numbers (1. 2. 3. ...) to each line of text.