PDF Tools
PDF Compressor
Select a PDF file to inspect and optimize its document structure directly in your browser. This tool does not intentionally upload your PDF to our server.
Use Tool →
Free Online Tools
Simple, Useful Tools for Everyday Digital Tasks
Quickly solve common text, image, SEO, developer and calculation tasks with free browser-based tools.
31
Published Tools
6
Tool Categories
Free
Browser-Based Access
Popular Tools
Quickly access useful tools from across Annapurna Tools.
PDF Tools
PDF Merger
Merge multiple PDF files into one document directly in your browser. Upload, reorder and combine PDF files quickly without installing software.
Use Tool →
Health
Water Intake Calculator | Daily Water Intake Estimate
Use our free water intake calculator to estimate a general daily fluid intake amount based on body weight and activity level.
Use Tool →
Health
Protein Calculator | Daily Protein Intake Estimate
Use our free protein calculator to estimate a general daily protein intake range based on weight, activity level and selected goal.
Use Tool →
Health
Body Fat Calculator | Estimate Body Fat Percentage
Use our free body fat calculator to estimate body fat percentage using height, weight, age, sex and waist measurements. Includes general information and limitations.
Use Tool →
Health
Calorie Calculator | Daily Calorie Needs & BMR Estimate
Use our free calorie calculator to estimate daily calorie needs using age, height, weight, sex and activity level. Includes BMR and general calorie information.
Use Tool →Explore Our Tool Categories
Find the right collection of tools for your task.
PDF Tools
Free online PDF tools for common document tasks. Merge, split, edit, compress, convert, rotate, protect and manage PDF files quickly and easily from your browser without installing...
2 published tools Explore PDF Tools→
Developer Tools
Browser-based tools for common developer tasks.
4 published tools Explore Developer Tools→
Image Tools
Tools for compressing, cropping and resizing images.
3 published tools Explore Image Tools→
SEO Tools
Useful SEO tools for website optimization and metadata.
7 published tools Explore SEO Tools→
Text Tools
Useful tools for writing, counting and transforming text.
5 published tools Explore Text Tools→
Calculators
Finance, health and general online calculators.
0 published tools Explore Calculators→
Calculators
Free Online Calculators
Quickly calculate percentages, age, loans, EMI, interest, BMI, body fat, calories, protein and other useful everyday values.
Use specialized health, finance and general calculators for common calculation tasks.
Water Intake Calculator | Daily Water Intake Estimate
Use our free water intake calculator to estimate a general daily fluid intake amount based...
Calculate →Protein Calculator | Daily Protein Intake Estimate
Use our free protein calculator to estimate a general daily protein intake range based on...
Calculate →Body Fat Calculator | Estimate Body Fat Percentage
Use our free body fat calculator to estimate body fat percentage using height, weight, age...
Calculate →Calorie Calculator | Daily Calorie Needs & BMR Estimate
Use our free calorie calculator to estimate daily calorie needs using age, height, weight,...
Calculate →BMI Calculator | Free Body Mass Index Calculator
Use our free BMI calculator to calculate Body Mass Index from height and weight. Supports...
Calculate →Age Calculator | Calculate Exact Age in Years, Months & Days
Use our free age calculator to calculate age in years, months and days from a date of birt...
Calculate →Latest Tools
Recently published tools and utilities.
PDF Tools
PDF Compressor
Select a PDF file to inspect and optimize its document structure directly in your browser. This tool does not intentionally upload your PDF to our server.
Use Tool →
PDF Tools
PDF Merger
Merge multiple PDF files into one document directly in your browser. Upload, reorder and combine PDF files quickly without installing software.
Use Tool →
Health
Water Intake Calculator | Daily Water Intake Estimate
Use our free water intake calculator to estimate a general daily fluid intake amount based on body weight and activity level.
Use Tool →
Health
Protein Calculator | Daily Protein Intake Estimate
Use our free protein calculator to estimate a general daily protein intake range based on weight, activity level and selected goal.
Use Tool →
Health
Body Fat Calculator | Estimate Body Fat Percentage
Use our free body fat calculator to estimate body fat percentage using height, weight, age, sex and waist measurements. Includes general information and limitations.
Use Tool →
Health
Calorie Calculator | Daily Calorie Needs & BMR Estimate
Use our free calorie calculator to estimate daily calorie needs using age, height, weight, sex and activity level. Includes BMR and general calorie information.
Use Tool →
Health
BMI Calculator | Free Body Mass Index Calculator
Use our free BMI calculator to calculate Body Mass Index from height and weight. Supports metric and imperial units with general adult BMI categories.
Use Tool →
General
Age Calculator | Calculate Exact Age in Years, Months & Days
Use our free age calculator to calculate age in years, months and days from a date of birth and a selected target date.
Use Tool →Latest Guides & Articles
Helpful information about tools, calculations, SEO, development and everyday digital tasks.
Age Calculator Guide | Calculate Age in Years, Months & Days
Learn how an age calculator works, how to calculate exact age from dates, how leap years and birthdays affect the result, with examples and practical tips.
Read Article →
Percentage Calculator Guide | Formulas, Increase, Decrease & Examples
Learn how to calculate percentages, percentage of a number, percentage change, increase and decrease with simple formulas and examples.
Read Article →
Water Intake Calculator Guide | Daily Hydration & Water Needs
Learn how a water intake calculator estimates daily fluid intake using body weight and activity level, with formulas, examples, hydration factors and limitations.
Read Article →
Protein Calculator Guide | Daily Protein Intake & Formula
Learn how a protein calculator estimates daily protein intake using body weight, activity level and general goals. Includes formulas, examples and important limitations.
Read Article →
Body Fat Calculator Guide | Formula, Measurements & Limitations
Learn how body fat percentage calculators work, how waist and height measurements are used, how fat mass is estimated, and why results can vary between methods.
Read Article →
Calorie Calculator Guide | BMR, TDEE & Daily Calorie Needs
Learn how a calorie calculator estimates BMR and daily calorie needs using age, height, weight, sex and activity level. Includes formulas, examples and limitations.
Read Article →Why Use Annapurna Tools?
Designed for simple, practical and convenient online tasks.
Easy to Use
Clear interfaces help you complete common digital tasks without unnecessary complexity.
Fast Results
Many tools work directly in your browser, helping you get results without installing separate software.
Browser-Based
Wherever practical, processing can happen directly in your browser instead of requiring a separate app.
Free Online Tools for Everyday Tasks
Annapurna Tools brings together useful browser-based utilities for text processing, image tasks, SEO, development and calculations. The goal is to make common digital tasks easier to complete from one place.
You can count words and characters, clean and convert text, compress and resize images, work with JSON and Base64, generate SEO-related markup, and perform everyday financial or health calculations.
Useful Tools and Guides
Along with online utilities, the website provides guides and articles that explain common workflows, calculations and practical ways to use different tools.
New utilities and resources can be added over time as the collection grows.
Frequently Asked Questions
Common questions about using Annapurna Tools.
The online tools available on Annapurna Tools are designed to be free to use.
Most browser-based tools can be used directly from a modern web browser without installing separate software.
Yes. The website is designed to work on modern smartphones, tablets and desktop computers.
The website includes text, image, developer, SEO and calculator tools, with additional tools and resources being added over time.
Find the Right Tool for Your Task
Explore the available categories and choose a useful browser-based tool for your next task.