Is Rozkit completely free to use without signup?

Yes, Rozkit provides 100% free online tools including PDF merger, image compressor, digital signature maker, resume builder, and text utilities with no registration, no watermarks, and no usage limits.

Can I merge PDF files without a watermark?

Yes. Rozkit's PDF Merger lets you combine unlimited PDF files and images into a single document without any watermark, retaining original document quality.

Are my files and personal data secure on Rozkit?

All document and image tools process your files directly inside your browser using client-side JavaScript. Your files are never uploaded to any remote server, ensuring complete privacy.

All Systems Online — 100% Free

Rozkit — Free Online Tools: PDF Merger, JPG to PDF, Image Compressor, Digital Signature Generator, Resume Maker, Password Generator, QR Code & Text Utilities

Free online tools — fast, simple & Mobile friendly

Live Tools

Coming Soon

Free Tools

Logins Required

Live Tools

Live

Word Counter

Count words, characters, and sentences online.

Open Tool

Live

Password Generator

Create secure random passwords online.

Open Tool

Live

Max Calculator

All in One Calculator: 11+ Power Calculators in 1 Single Tool

Open Tool

Live

Speed Test

Check your internet speed instantly.

Open Tool

Live

Signature Generator

Design an authentic handwritten signature with ink textures.

Open Tool

Live

PNG to JPG

Convert PNG to JPG in seconds.

Open Tool

Live

JPG to PDF

Convert images to PDF format.

Open Tool

Live

Merge PDF

Combine multiple PDFs into one.

Open Tool

Live

Image Compressor

Reduce image size without quality loss.

Open Tool

Live

Image Resizer

Resize photos to any dimension instantly.

Open Tool

Live

Case Converter

Convert text between uppercase, lowercase, title case, and more.

Open Tool

Live

Text Cleaner

Clean, format, and convert text instantly.

Open Tool

Live

AI Detector

Detect whether a text was written by AI or a human.

Open Tool

Live

JSON Formatter

Format and beautify JSON data easily.

Open Tool

Live

Stylish Name Generator

Generate stylish and fancy text versions of a name for social media bios.

Open Tool

Live

Baby Name Generator

Generate beautiful baby names with meanings and filters.

Open Tool

Live

QR Code Generator

Create custom QR codes instantly.

Open Tool

Live

Age Calculator

Calculate your exact age quickly.

Open Tool

Live

BMI Calculator

Calculate Body Mass Index (BMI) based on height and weight.

Open Tool

Live

Pregnancy Calculator

Calculate estimated due date and pregnancy week based on last period date.

Open Tool

Live

Resume Builder

Build professional ATS-friendly resumes and CVs easily.

Open Tool

Live

Cover Letters

Build tailored cover letters with templates and keyword analysis.

Open Tool

Live

Keyword Generator

Generate SEO keywords, search volume, and difficulty insights.

Open Tool

Live

Invoice Generator

Create professional invoices, quotes, and receipts instantly.

Open Tool

Live

Unix Timestamp

Convert Unix timestamp to date and time.

Open Tool

Live

Wheel Spinner

Spin the wheel for random picks, names, and decisions.

Open Tool

Live

Video Cutter

Trim and cut video files directly in your browser.

Open Tool

Live

Color Picker

Get HEX, RGB, and HSL color codes.

Open Tool

Live

AI Info

Master prompt engineering with 150+ keywords & examples.

Open Tool

Live

IQ Test

Take a quick IQ test and see your score.

Open Tool

Live

Typing Speed Test

Assess your typing speed, accuracy, and words per minute.

Open Tool

Coming Soon

Soon

URL Shortener

Shorten long links instantly.

Soon

PDF to Word

Convert PDF to editable Word files.

Soon

Background Remover

Remove image backgrounds automatically.

Soon

Image to Text

Extract text from images using OCR.

Soon

Translate

Translate text to any language instantly.

Knowledge Base & Guides

Guides & Articles

View All Articles (31)

Health & FitnessAugust, 2026

How to Calculate BMI Accurately: Formula, Categories, and Health Implications

Learn how Body Mass Index (BMI) is calculated, its mathematical formulas, age/gender factors, limitations, and how to accurately interpret your BMI score.

Read Full Guide

Design & UI/UXAugust, 2026

Guide to Web Color Harmonies: Palettes, Contrast & Accessibility for Web Designers

Master color theory for modern web design. Learn about monochromatic, analogous, complementary, triadic color schemes, WCAG contrast ratios, and HSL/OKLCH color math.

Read Full Guide

Artificial IntelligenceAugust, 2026

Understanding AI Text Detectors: How Perplexity, Burstiness & Token Probabilities Work

Explore the internal architecture of AI text classifiers. Learn how language models predict tokens, how detectors compute perplexity and burstiness, and their accuracy limitations.

Read Full Guide