Free Online Tools for Everyday Work, Writing, Research and Data.
Access practical browser-based utilities for calculations, currency, writing, research decisions and images. Core tools remain free and easy to reach.
Everyday Calculators & Converters
Use free online calculators and converters for currency conversion, percentages, age, dates, units, time zones, loan repayment and crypto reference values. These utilities are designed for quick browser use with clear inputs and readable results, helping students, professionals and everyday users complete common calculations without installing software.
Currency Converter
LiveConvert common currencies using current reference rates.
Open Tool →Percentage Calculator
LivePercentage of, share and percentage change.
Open Tool →Age Calculator
LiveCalculate completed years, months and days.
Open Tool →Date & Days Calculator
LiveFind date gaps or add and subtract days.
Open Tool →Unit Converter
LiveConvert seven common measurement categories.
Open Tool →Time Zone Converter
LiveCoordinate date and time across global zones.
Open Tool →Loan & Mortgage Calculator
LiveEstimate fixed-rate repayments and extra-payment savings.
Open Tool →Crypto Converter
LiveConvert major crypto assets using public reference rates.
Open Tool →Writing & Productivity
Simple writing tools help you count words and characters, estimate reading time and convert text case. They are useful for academic writing, reports, web content, presentations and everyday document preparation when you need fast checks without uploading work to a separate writing platform.
Research & Statistics
Research planning tools support common academic decisions such as GPA calculation, sample-size estimation, statistical-test selection and methodology alignment. They are intended as practical planning aids: final research choices should still be checked against your study design, variables, assumptions, supervisor guidance and institutional requirements.
GPA Calculator
LiveCalculate weighted GPA using credits and grade points.
Open Tool →Sample Size Calculator
LiveEstimate a basic sample size for a proportion.
Open Tool →Statistical Test Finder
LiveNarrow a suitable statistical-test family.
Open Tool →Methodology Checker
LiveReview basic design and analysis alignment.
Open Tool →Images & Documents
Work with common image and document tasks directly from the browser, including image compression and conversion, OCR, PDF merging and splitting, PDF-to-image conversion, images-to-PDF, text extraction and Word/PDF conversion. Each utility explains its scope and limitations so you can choose the right tool for the file and output you need.
Image Compressor & Resizer
LiveResize and compress JPG, PNG or WebP locally.
Open Tool →Image Converter
LiveConvert between JPG, PNG and WebP locally.
Open Tool →Image OCR to Text
LiveExtract editable text from scans and screenshots.
Open Tool →Merge PDF
LiveCombine multiple PDF files in your browser.
Open Tool →Split / Extract PDF
LiveExtract selected page ranges into a new PDF.
Open Tool →PDF to Images
LiveRender PDF pages as downloadable PNG images.
Open Tool →Images to PDF
LiveCombine multiple images into a new PDF.
Open Tool →PDF Text Extractor
LiveExtract selectable text from digital PDF pages.
Open Tool →Word (DOCX) to PDF
LiveConvert a standard DOCX to PDF with preview.
Open Tool →PDF to Word
LiveChoose layout-preserving or editable-text Word output.
Open Tool →Digital Utilities
Use practical digital utilities for QR-code creation and basic connection testing. The QR generator supports common sharing tasks such as links, Wi-Fi, email and phone details, while the speed and latency utility helps you inspect connection performance to the website hosting path.
Heavier Document Utilities
These require additional browser libraries or secure server-side processing, so they remain separated from the current live tool set.
Need Help Beyond a Free Tool?
For complex research, statistical, GIS, document or technical requirements, discuss the full problem with Naeem Insights.