Tool Categories

Choose a category to browse all free online tools available on Nubikit.

PDF Tools

Collection of free online tools in this category.

5 Tools

Calculator

Online calculators for construction, finance, health, tax, BMI, and everyday calculations.

5 Tools

QR Code & Barcode

Generate QR Codes, Barcodes, WiFi QR, WhatsApp QR, URL QR, and many other digital codes.

5 Tools

Image Tools

Resize images, compress JPG/PNG, watermark, crop, convert WebP, and other online image editing tools.

5 Tools

Invoice Generator

Create invoices, receipts, quotations, purchase orders, and business documents for SMEs.

5 Tools

AI Tools

AI Writer, AI Image Prompt, AI Text Generator, AI Translator, and AI-powered productivity tools.

5 Tools

Text Tools

Uppercase, lowercase, word counter, text compare, duplicate remover, slug generator, and text utilities.

5 Tools

Converter

Convert length, weight, temperature, currency, files, time, and many online converters.

5 Tools

Utility Tools

Useful online utilities such as UUID Generator, Password Generator, Timestamp Converter, and more.

5 Tools

Developer Tools

JSON Formatter, Base64 Encoder, URL Encoder, HTML Encoder, Color Picker, Regex Tester, and developer tools.

5 Tools

Color Tools

Color Picker, HEX to RGB, RGB to HEX, Gradient Generator, and color tools for designers.

5 Tools

File Tools

Compress files, bulk rename, hash generator, checksum tools, ZIP extractor, and file utilities.

5 Tools

Business Tools

SME business tools including profit calculator, COGS calculator, margin calculator, QRIS, and business repo...

5 Tools

Finance Tools

Loan calculator, interest calculator, investment, savings, VAT, discount, and other finance tools.

5 Tools

Health Tools

BMI calculator, calories, water intake, heart rate, and daily health tools.

5 Tools

15

Active Categories

75

Online Tools

100%

Free to Use

ID + EN

Languages