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Calculators, PDF tools, exam utilities, spiritual tools, and productivity helpers. Fast, private, and free for students, professionals & everyday users.

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Hand-picked tools used by thousands every week

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Percentage Calculator

Calculate percentage of any number instantly. Perfect for exam results and marks calculation.

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Age Calculator

Calculate exact age in years, months, and days from date of birth. Useful for form filling.

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EMI Calculator

Calculate Equated Monthly Installment (EMI) for loans. Plan your finances better.

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GST Calculator

Calculate GST amount, inclusive and exclusive prices instantly. Supports 5%, 12%, 18%, 28% slabs.

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JPG to PDF Converter

Convert JPG images to PDF format instantly. Free, no signup required.

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Merge PDF

Combine multiple PDF files into one. Merge unlimited PDFs for free.

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Compress PDF

Reduce PDF file size without losing quality. Compress large PDFs instantly.

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Word Counter

Free online word counter to count words, characters, sentences, and paragraphs instantly. Perfect for essays, exams, and assignments.

All Tools(63)

Popular

Percentage Calculator

Calculate percentage of any number instantly. Perfect for exam results and marks calculation.

CGPA to Percentage Converter

Convert CGPA to percentage for all grading scales. Supports 10-point and 4-point scales.

Popular

Age Calculator

Calculate exact age in years, months, and days from date of birth. Useful for form filling.

Marks Percentage Calculator

Calculate percentage from obtained marks and total marks. Get instant results.

BMI Calculator

Calculate Body Mass Index (BMI) and check your weight category. Free and instant.

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EMI Calculator

Calculate Equated Monthly Installment (EMI) for loans. Plan your finances better.

Exam Marks Calculator

Calculate exam percentage, grade, and pass/fail status. Supports custom passing percentage.

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GST Calculator

Calculate GST amount, inclusive and exclusive prices instantly. Supports 5%, 12%, 18%, 28% slabs.

Discount Calculator

Calculate discount price, final price and savings. Perfect for shopping and sales.

Simple Interest Calculator

Calculate simple interest, principal, rate and time instantly. Free SI calculator.

Compound Interest Calculator

Calculate compound interest with yearly, quarterly and monthly compounding. Plan investments.

Date Difference Calculator

Find difference between two dates in years, months, weeks and days. Free date calculator.

Tip Calculator

Split bills and calculate tip amounts instantly. Supports multiple people and custom tip percentages.

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JPG to PDF Converter

Convert JPG images to PDF format instantly. Free, no signup required.

PDF to JPG Converter

Extract images from PDF files and convert to JPG format. Works entirely in browser.

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Merge PDF

Combine multiple PDF files into one. Merge unlimited PDFs for free.

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Compress PDF

Reduce PDF file size without losing quality. Compress large PDFs instantly.

Image Resize Tool

Resize images to any dimensions. Maintain aspect ratio or custom size.

Passport / Aadhaar Photo Resize

Resize photos for passport, visa, and ID card applications. Meets official requirements for global and Indian documents.

OMR Sheet Generator

Generate printable OMR sheets for exams. Customizable options and instant download.

Result Percentage Checker

Check and calculate result percentage from marks. Get grade and status instantly.

Answer Key Checker

Check your answers against the official answer key. Calculate your score automatically.

Rank Predictor

Predict your exam rank based on marks and percentile. Basic calculation tool.

Exam Countdown Timer

Countdown timer for upcoming exams. Track days, hours, minutes until exam date.

Admit Card Details Helper

Form-based guidance for admit card details. Helps fill application forms correctly.

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Word Counter

Free online word counter to count words, characters, sentences, and paragraphs instantly. Perfect for essays, exams, and assignments.

Character Counter

Count characters, words, sentences and paragraphs in real-time. Track Twitter, SMS and essay limits.

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Text Case Converter

Convert text between UPPERCASE, lowercase, Title Case, Sentence case, camelCase and more. Free online case converter.

Lorem Ipsum Generator

Generate placeholder Lorem Ipsum text by words, sentences or paragraphs. Copy to clipboard instantly.

Typing Speed Test

Free typing speed test to check your WPM and accuracy online. Ideal for exams, job applications, students, and daily typing practice.

Essay Length Checker

Free essay length checker to count words, characters, and paragraphs. Perfect for students, exams, assignments, and competitive exams.

Handwriting Practice Sheet Generator

Free handwriting practice sheet generator. Create printable handwriting worksheets for kids and students. Download PDF instantly.

English Grammar Checker

Check English grammar mistakes online for free. Ideal for students, exams, essays, and basic writing.

Hindi Typing Tool

Type Hindi easily using English keyboard. Free Hindi typing tool for exams, forms, and students.

Study Time Table Generator

Create a personalized study timetable online. Free study time table generator for students and exam preparation.

Revision Planner

Plan your exam revision using spaced repetition. Free revision planner to track topics and revision progress online.

Popular

Pomodoro Focus Timer

Use Pomodoro focus timer to improve concentration and productivity. Free online study timer for students, professionals, and anyone who wants to stay focused.

Daily Study Goal Tracker

Track daily study goals and progress. Set targets and monitor achievements.

Aadhaar Photo Size Tool

Resize photos for Aadhaar card applications. Meets UIDAI official requirements.

PAN Card Name Format Tool

Format name correctly for PAN card applications. Follow official guidelines.

Name Initial Generator

Generate name initials from full name. Useful for forms and applications.

DOB Format Converter

Convert date of birth between different formats. DD/MM/YYYY, MM/DD/YYYY, etc.

Hindi to English Name Converter

Convert Hindi names to English using transliteration. Phonetic conversion tool.

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Password Generator

Generate strong, secure random passwords with custom length and characters. 100% client-side and private.

URL Encoder / Decoder

Encode URLs and decode URL-encoded strings instantly. Free online URL percent-encoding tool.

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Base64 Encoder / Decoder

Encode text to Base64 and decode Base64 strings instantly. Free online Base64 converter.

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JSON Formatter & Validator

Format, validate and beautify JSON. Minify or pretty-print with 2, 4 or tab indentation.

Color Converter (HEX, RGB, HSL)

Convert colors between HEX, RGB, and HSL formats. Includes live color preview and palette.

UUID Generator

Generate random UUID v4 identifiers instantly. Batch generation, uppercase and lowercase options.

Hash Generator (SHA-256, SHA-1)

Generate secure cryptographic hashes: SHA-256, SHA-384, SHA-512 and SHA-1. 100% client-side.

Slug Generator

Convert any text into SEO-friendly URL slugs. Supports custom separators and lowercase.

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QR Code Generator

Generate QR codes for URLs, text, Wi-Fi, and contacts. Download as PNG instantly.

Unit Converter

Convert length, weight, temperature and more. Free universal unit converter with metric and imperial.

Popular

Mantra Japa Counter

Digital 108-bead japa counter for meditation. Tap to count, tracks rounds, works offline — a modern rudraksha mala.

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Meditation Timer

Guided meditation timer with opening, interval and closing bells. Set duration, pick a bell sound, sit, and breathe.

Popular

Numerology Calculator

Find your Life Path Number, Destiny Number and Name Number using Chaldean numerology. Free and instant.

Rudraksha Mukhi Recommender

Answer a short quiz and find which rudraksha mukhi suits your goals — wealth, health, focus, or spiritual growth.

Hindu Festival Calendar 2026

Full 2026 Hindu festival calendar — Diwali, Holi, Navratri, Ekadashi, Shivratri, Raksha Bandhan and more, with dates.

Popular

Kundli Matching (36 Gunas)

Free Vedic kundli matching — Ashtakoot 8-koota Guna Milan with full breakdown of Varna, Vashya, Tara, Yoni, Graha Maitri, Gana, Bhakoot and Nadi.

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Choghadiya Today

Today's 16 Choghadiya muhurat slots — auspicious (Amrit, Shubh, Labh), neutral and inauspicious times for the day and night.

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Baby Name by Nakshatra

Find a Hindu/Sanskrit baby name aligned with your child's janma nakshatra and pada. 27 nakshatras × 4 padas with starting syllables.

Gemstone Recommender (Navaratna)

Find which Vedic gemstone — Ruby, Pearl, Yellow Sapphire, Emerald, Blue Sapphire, Diamond and more — supports your goals.

Vastu Direction Guide

Best Vastu direction for sleeping, studying, cooking, main door, pooja room, locker, office desk and more — with do's and don'ts.

Why our tools?

Built for students, professionals and everyday Indian users.

Free forever

No paywall, no signup, no credit card.

Privacy first

Most tools run in your browser. No uploads.

Lightning fast

Static-first Next.js. Loads in under a second.

Made for India

GST, EMI, kundli, panchang — built locally.

Frequently asked

Are the tools really free?

Yes — every tool on Sarkari247 Tools is 100% free. No signup, no payment, no hidden trial.

Is my data uploaded anywhere?

Most tools process data locally in your browser. We never upload files unless the tool explicitly says so.

How accurate are the calculations?

Tools follow standard Indian formulas (GST, EMI, BMI, etc.) and traditional sources for spiritual tools. Each page lists assumptions and edge cases.

Can I request a tool?

Yes — head to our Contact page and tell us what you need. Popular requests get prioritised.