All the professional tools you need, in one place
PDF, images, finance, medical, SEO, writing, converters and calculators — fast, accurate and built to international standards. Everything runs in your browser, so your files never leave your device.
Browse tools by category
Hand-crafted, result-oriented tools organised into eight practical categories.
PDF Tools
Merge, split, compress, convert, protect and edit PDF files entirely in your browser. 100% private — files never leave your device.
36 tools →Writing Tools
Word counters, case converters, text cleaners, generators and formatters for writers, students and marketers.
20 tools →Medical & Health Tools
BMI, BMR, body fat, pregnancy, ideal weight and dosage calculators built to WHO, NHS, CDC and international standards.
20 tools →SEO Tools
Meta tag, keyword density, SERP preview, sitemap and Open Graph generators for on-page and technical SEO.
10 tools →Finance Tools
Loan, mortgage, amortization, tax, investment, retirement and currency calculators with downloadable schedules.
36 tools →Calculators
Everyday and scientific calculators: percentage, age, date, GPA, tip, area, and many more.
20 tools →Image Tools
Compress, resize, crop, convert and edit images fast and privately, right inside your browser.
10 tools →Converters
Unit, currency, temperature, data, time-zone and number-base converters that meet international standards.
20 tools →QR & Barcode Tools
Generate QR codes and barcodes to international standards — WiFi, vCard, WhatsApp, URL, EAN-13, UPC, Code 128 and more. Custom colours, logos, PNG/SVG/PDF, bulk & printable labels.
80 tools →E-Commerce Tools
Fee, profit and pricing calculators for Shopify, Amazon FBA, Etsy and eBay sellers, plus shipping, SKU and SEO product-title generators.
12 tools →Productivity Tools
To-do lists, Pomodoro and countdown timers, a stopwatch, daily & weekly planners, habit and goal trackers, meeting notes and project timelines.
10 tools →Most popular tools
The tools our visitors reach for most often.
Merge PDF
PDF Tools
Split PDF
PDF Tools
Compress PDF
PDF Tools
Images to PDF
PDF Tools
PDF to Word
PDF Tools
Word to PDF
PDF Tools
PDF to Excel
PDF Tools
Word Counter
Writing Tools
Case Converter
Writing Tools
BMI Calculator
Medical & Health Tools
Daily Calorie (TDEE)
Medical & Health Tools
Pregnancy Due Date
Medical & Health Tools
Meta Tag Generator
SEO Tools
Keyword Density Checker
SEO Tools
Loan Calculator
Finance Tools
Mortgage Calculator
Finance Tools
Amortization Schedule
Finance Tools
Compound Interest
Finance Tools
EMI Calculator
Finance Tools
SIP Calculator
Finance Tools
GST Calculator
Finance Tools
UK Take-Home Pay
Finance Tools
Zakat Calculator
Finance Tools
Percentage Calculator
Calculators
Age Calculator
Calculators
Compress Image
Image Tools
Resize Image
Image Tools
Image Converter
Image Tools
Length Converter
Converters
Weight Converter
Converters
Temperature Converter
Converters
QR Code Generator
QR & Barcode Tools
WiFi QR Code Generator
QR & Barcode Tools
URL QR Code Generator
QR & Barcode Tools
WhatsApp QR Code Generator
QR & Barcode Tools
vCard QR Code Generator
QR & Barcode Tools
QR Code Scanner
QR & Barcode Tools
Barcode Generator
QR & Barcode Tools
EAN-13 Barcode Generator
QR & Barcode Tools
UPC-A Barcode Generator
QR & Barcode Tools
Code 128 Barcode Generator
QR & Barcode Tools
Product Barcode Generator
QR & Barcode Tools
Inventory Barcode Generator
QR & Barcode Tools
Shipping Label Generator
QR & Barcode Tools
Bulk QR Code Generator
QR & Barcode Tools
Bulk Barcode Generator
QR & Barcode Tools
Shopify Fee Calculator
E-Commerce Tools
Amazon FBA Calculator
E-Commerce Tools
Etsy Fee Calculator
E-Commerce Tools
eBay Fee Calculator
E-Commerce Tools
Profit Calculator
E-Commerce Tools
Shipping Cost Calculator
E-Commerce Tools
SKU Generator
E-Commerce Tools
Amazon & Etsy Keyword Generator
E-Commerce Tools
E-Commerce ROI Calculator
E-Commerce Tools
To-Do List
Productivity Tools
Pomodoro Timer
Productivity Tools
Countdown Timer
Productivity Tools
Stopwatch
Productivity Tools
Habit Tracker
Productivity Tools
Why choose Toolinza?
Built for professionals, students and everyday users who value speed, privacy and accuracy.
Private by design
Your documents and images are processed locally in your browser. Nothing is uploaded, stored or shared.
Accurate & standards-based
Calculations follow recognised international formulas so you can trust every result.
Blazing fast
No queues, no waiting rooms. Get instant results the moment you click.
Real downloads
Export professional PDF, Word and CSV files — including full financial schedules.
Any device
Fully responsive and touch-friendly across desktop, tablet and mobile.
Free forever
Every tool is free with no account, no watermark and no artificial limits.
Frequently asked questions
Yes. Every one of our 274+ tools is 100% free to use with no signup, no watermarks and no hidden limits. We keep the lights on with unobtrusive advertising.
Absolutely. PDF and image tools run entirely inside your browser using JavaScript. Your files are never uploaded to a server, so your documents stay completely private on your own device.
No installation required. Toolinza works instantly in any modern browser on desktop, tablet or mobile — Windows, macOS, Linux, Android and iOS.
Yes. Where it makes sense, results and reports can be downloaded as real PDF, Word (.docx) or CSV files — including full amortization schedules and financial reports.
Our medical and finance tools follow internationally recognised formulas and guidelines (WHO, NHS, CDC, U.S. Navy, IOM and standard actuarial methods) suitable for the UK, USA, Canada, Australia, Europe, Africa, Asia and the Middle East.
Start using free professional tools today
No signup. No downloads. Just fast, private, reliable tools that get the job done.
Browse all 274+ tools