Free Programming & Academic Tools for Students
Code formatter, regex tester, citation generator, GPA calculator, and more. All free, all in your browser, no data sent to any server.
Programming Tools
Code Formatter
Clean up code indentation, trim whitespace, and normalize line breaks
JSON Validator
Validate JSON syntax and pretty-print with proper indentation
Regex Tester
Test regular expressions with live matching, flags, and match groups
Base64 Encode/Decode
Encode text to Base64 or decode Base64 strings instantly
Markdown Previewer
Write markdown and see live HTML preview side by side
Academic Tools
Word Counter
Count words, characters, sentences, paragraphs, and estimate reading time
GPA Calculator
Calculate GPA on 4.0, 5.0, 7.0, or 10.0 scale with multiple courses
CGPA to Percentage
Convert CGPA to percentage for any grading scale
Citation Generator
Generate APA, MLA, Harvard, and IEEE citations for books, journals, and websites
Number Converter
Convert between Binary, Octal, Decimal, and Hexadecimal number systems
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