Palindrome Checker
Check if a word reads the same as reverse.
Anagram Checker
Check if two strings contain the same letters.
Convert to Uppercase
Convert text into UPPERCASE.
Convert to Lowercase
Convert text into lowercase.
Toggle Case
Swap uppercase ↔ lowercase letters.
Longest Word Finder
Find the longest word in a sentence.
Vowel & Consonant Counter
Counts vowels and consonants in a string.
Second Largest & Second Smallest
Finds 2nd largest and 2nd smallest numbers.
Prime Numbers Extractor
Extract prime numbers from an array.
Remove Duplicate Elements
Display only unique values from inputs.