Free Online Tools & Converters
Simplify PDF, image, calculator, business and everyday digital tasks with fast, simple and easy-to-use online tools.
Tools organized for faster access
Find the right tool quickly by category instead of searching through a long list of utilities.
PDF & Document Tools
Merge, split, convert and work with PDF and document files.
Explore PDF tools →Image Tools
Resize, compress, convert and extract text from images.
Explore image tools →Calculators
Finance, health, business and everyday calculation tools.
Explore calculators →QR & Barcode
Generate QR codes and barcodes quickly for personal or business use.
Explore QR tools →Business Tools
Useful utilities for invoices, pricing, GST and online work.
Explore business tools →AI & SEO Tools
Check AI readiness, LLM accessibility and website signals.
Explore AI tools →Communication Tools
WhatsApp utilities for direct and bulk messaging.
Explore tools →All Tools
Browse the complete collection of tools available on 5iTech.
View all tools →Useful tools, one click away
Start with some of the most useful tools available on 5iTech.
Image to PDF
Convert images into PDF documents online.
Use tool →PDF to Image
Convert PDF pages into image files.
Use tool →PDF Splitter
Split PDF documents into separate pages or files.
Use tool →PDF Merger
Combine multiple PDF files into one document.
Use tool →Image Compressor
Reduce image file size while keeping useful quality.
Use tool →Image Resizer
Resize images to the dimensions you need.
Use tool →QR Code Generator
Create QR codes for links, text and information.
Use tool →Barcode Generator
Create common barcode formats for different uses.
Use tool →Age Calculator
Calculate age precisely from date of birth.
Use tool →GST Calculator
Calculate GST-inclusive and GST-exclusive amounts.
Use tool →EMI & ROI Calculator
Calculate loan EMI and related financial values.
Use tool →Invoice Generator
Create useful invoices for business and everyday needs.
Use tool →PDF tools for everyday file tasks
Convert, merge and split documents with simple online utilities.
Image to PDF
Convert images into PDF files.
Open tool →PDF to Image
Convert PDF pages into images.
Open tool →PDF Splitter
Split a PDF into separate files or pages.
Open tool →Image & PDF Merger
Combine images and PDF files into a single document.
Open tool →Merge PDF
Combine multiple PDF documents into one.
Open tool →Excel to PDF
Convert Excel spreadsheets into PDF documents.
Open tool →Word to PDF
Convert Word documents into PDF files.
Open tool →Simple image utilities
Resize, compress, convert and extract text from images.
Practical calculators for everyday decisions
Finance, health, age, distance and business calculation utilities.
Unit Converter
Convert measurements between common units.
Open tool →Currency Converter
Convert currencies for global calculations.
Open tool →GST Calculator
Calculate GST amounts and totals.
Open tool →Distance Calculator
Calculate distance between locations.
Open tool →EMI & ROI Calculator
Calculate EMI and related financial values.
Open tool →BMI Calculator
Calculate body mass index using height and weight.
Open tool →Age Calculator
Calculate exact age from date of birth.
Open tool →Meesho Price Calculator
Estimate pricing, costs and profitability for sellers.
Open tool →Generate codes in seconds
Useful tools for personal, business and digital sharing.
Useful tools for online sellers and businesses
Practical utilities for invoices, pricing and business calculations.
Tools for the changing web
Check website readiness and content accessibility for modern AI systems.
WhatsApp utilities
Useful tools for direct and bulk messaging workflows.
Explore all available tools
Browse the complete collection of online utilities available on 5iTech.
Image To PDF
Convert images to PDF.
Open →PDF To Image
Convert PDF pages to images.
Open →PDF Splitter
Split PDF files.
Open →Image & PDF Merger
Merge images and PDF files.
Open →Merge PDF
Combine PDF files.
Open →Image to Text
Extract text from images.
Open →Image Resizer
Resize images.
Open →Image Compressor
Compress images.
Open →Image Converter
Convert image formats.
Open →Unit Converter
Convert common units.
Open →Currency Converter
Convert currencies.
Open →QR Code Generator
Generate QR codes.
Open →Barcode Generator
Generate barcodes.
Open →GST Calculator
Calculate GST.
Open →Distance Calculator
Calculate distance.
Open →EMI & ROI Calculator
Calculate EMI and ROI.
Open →BMI Calculator
Calculate BMI.
Open →Age Calculator
Calculate age.
Open →Invoice Generator
Create invoices.
Open →WhatsApp Direct Messenger
Send WhatsApp messages directly.
Open →Bulk WhatsApp Messenger
Prepare bulk WhatsApp messages.
Open →LLMS Validator
Validate llms.txt implementation.
Open →AI Readiness
Check website AI readiness signals.
Open →Meesho Price Calculator
Estimate seller pricing and profitability.
Open →Simple tools without unnecessary complexity.
5iTech is designed to make common digital tasks easier with straightforward online utilities that work across modern devices.
Privacy-conscious
Where supported, browser-based processing can help keep files on your device rather than uploading them.
Fast & lightweight
Designed with simple interfaces and minimal unnecessary steps.
Free to use
Many 5iTech tools are available without registration or subscription.
Mobile friendly
Responsive layouts make the tools easier to use on phones, tablets and desktop computers.
Easy access
Every tool has its own dedicated page for direct access and sharing.
Useful utilities
The collection focuses on practical tools for everyday digital work.
Useful technology, made simpler.
5iTech is a growing collection of online tools designed to simplify everyday digital tasks. From PDF and image utilities to calculators, business tools, QR generators and website utilities, our goal is to make useful technology easier to access.
We focus on simple interfaces, responsive experiences and practical features so that users can complete common tasks without unnecessary complexity.
Learn more about 5iTech →Find the tool you need
Search 5iTech or explore the categories above to get started.
Browse All Tools →