Free online JSON formatter, validator & beautifier — pretty-print or minify JSON and instantly pinpoint syntax errors with line numbers.
Pretty-prints (beautifies) messy or minified JSON into readable, indented format, or compresses readable JSON down to a single minified line — and flags syntax errors with the exact line where they occur.
Privacy: your JSON is parsed and formatted entirely in your browser — nothing is uploaded, which matters if you're pasting in real API responses or config that might contain sensitive data.
Unit Converter
Free unit converter — convert length, weight, temperature, area and data storage units instantly, all in one clean, no-clutter tool.
AI Notes & Summary Maker
Turn photos of book pages or pasted text into colourful notes, Q&A, flash cards, mind maps or a one-page revision sheet with AI — in English, Urdu or both. Free PDF.
Age Calculator
Free advanced age calculator — exact age in years, months, days, hours and seconds with a live counter, birthday countdown, date difference and working days, zodiac and Chinese sign, Hijri date, life stats, and retirement, school-admission and marriage-age checks for Pakistan. Share it as a poster.
Terms of Service Generator
Free terms of service generator — instantly create a ready-to-use terms & conditions template for your website or app.
AIOU GPA / CGPA Calculator
Free AIOU GPA & CGPA calculator — instantly calculate your semester or cumulative GPA from your course grades, built for Allama Iqbal Open University students.
Favicon Generator
Free favicon generator — upload any logo and instantly get every favicon size you need (16x16 to 512x512) for your website and app icons.
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