Free · No signup · All in your browser
Free online tools
Welcome to Snapptools – your free online platform to generate QR codes, create strong passwords, format JSON, merge or split PDFs, resize images, and much more. All tools are 100% free, easy to use, and work instantly in your browser. Explore the tools below to get started.
QR code generator, password generator, JSON formatter, Base64 encoder, word counter, image compressor, PDF merge and split, and more. One click, no account.
Free online tools for developers and everyone else: create QR codes, format JSON, convert images and PDFs, generate passwords and UUIDs—all in your browser. No signup, no data sent to our servers. We also publish guides and articles so you can learn what each tool does, how to use it, and when it’s useful.
Use our QR code generator for links and Wi‑Fi, our developer utilities for Base64 and URL encoding, and our PDF and image tools for merge, split, compress, and convert. Browse the tool list below or read the blog for step-by-step guides.
What are these tools?
A free set of online utilities for getting things done quickly: QR code generator, password and UUID generators, JSON formatter, Base64 and URL encoder, word counter, image tools (compress, resize, crop, convert), and PDF tools (merge, split, compress, watermark, convert). No software to install—everything runs in your browser.
See all tools →How do they work?
Open a tool, add your input (text, file, or options), and get the result instantly. All processing happens in your browser—we don’t upload your data to our servers for most tools. That keeps things fast and private. Each tool page includes a short guide: what it does, how to use it, and example use cases.
Read guides & articles →Who is it for?
Developers, students, small businesses, and anyone who needs a quick QR code, a strong password, formatted JSON, a merged PDF, or a resized image. No account required. Use the tools for personal or professional work—they’re free and built to be simple and reliable.
About us →Free online tools
Small, fast tools for developers and everyone else. No signup, no data sent to servers. Use in your browser and get results instantly.
Each tool includes a short guide: what it does, how to use it, and example use cases. For longer guides and articles (QR codes, passwords, PDFs, images), see our blog and guides.
Generator Tools
Generate QR codes, passwords, UUIDs, Lorem Ipsum, and random numbers—no signup.
Create QR codes for URLs, text, and Wi‑Fi. Customize colors and size, download PNG.
Generate strong random passwords with customizable length and character sets.
Generate UUIDs (v4) for unique identifiers. Copy or bulk generate.
Generate placeholder text in paragraphs, sentences, or words.
Generate random numbers within a range. Single or multiple, with optional duplicates.
Developer Tools
Format JSON, encode Base64 and URLs, generate hashes. Handy for developers and APIs.
Format, validate, and beautify JSON. Detect syntax errors.
Encode text to Base64 and decode Base64 to text. Works entirely in your browser.
Encode or decode URL-encoded (percent-encoded) strings.
Generate MD5, SHA-1, SHA-256, SHA-384, SHA-512 hashes from text.
Text Tools
Count words and characters, check text stats. Useful for essays, posts, and forms.
Image Tools
Compress, resize, crop, and convert images (PNG, JPG, WebP). Reduce file size or change dimensions.
Compress images (JPEG/PNG/WebP) in the browser. Reduce file size before upload.
Convert PNG images to JPG/JPEG. Adjust quality and download.
Convert JPG/JPEG images to WebP format. Smaller file size, same quality.
Resize images by pixels or percentage. Keep aspect ratio or set custom dimensions.
Crop images to a selected area. Download the cropped result.
Convert images to Base64 data URL. Copy or use in HTML/CSS.
PDF Tools
Merge, split, compress, add watermarks, and convert PDFs to or from Word. All in your browser.
Extract text from PDF and download as a Word (.docx) document.
Convert Word (.docx) documents to PDF. Upload and download in your browser.
Combine multiple PDF files into one. Reorder pages and download.
Split a PDF into multiple files by page range or one file per page.
Reduce PDF file size by lowering image resolution. Works in your browser.
Add text or image watermark to every page of your PDF.
Guides & Articles
Learn how to use our tools and get the most out of them. We cover QR codes, passwords, PDFs, images, and more—with step-by-step guides and tips for developers and everyone else.
- What is a QR Code? Definition, Uses, and How to Create One
Learn what QR codes are, how they work, and why they're used everywhere from menus to payments. Plus how to create your own free QR code.
- How QR Codes Work: Technology and Scanning Explained
A simple guide to the technology behind QR codes—encoding, error correction, and how your phone decodes them in an instant.
- Best Uses for QR Codes in 2024: Business, Events, and Daily Life
Discover the best ways to use QR codes for marketing, events, menus, business cards, and personal use. Real examples and tips.
- QR Code for Business: Tips to Use QR Codes in Your Business
How businesses use QR codes for marketing, payments, support, and customer engagement. Best practices and ideas.
- QR Code for WhatsApp: How to Create a WhatsApp Link QR Code
Create a QR code that opens a WhatsApp chat or pre-filled message. Step-by-step guide using a free QR generator.
- QR Code vs Barcode: Differences, Pros, and When to Use Which
Compare QR codes and traditional barcodes: capacity, use cases, and which one to choose for your project.
- History of QR Codes: From 1994 to Today
The story of how QR codes were invented in Japan and became a global standard for linking the physical and digital world.
- How to Scan a QR Code with iPhone, Android, or Camera
Step-by-step guide to scanning QR codes on iPhone and Android. No app required on most modern phones.
Frequently asked questions
Quick answers about how the site works and what to expect.
Yes. All tools are free to use with no signup. We may show ads to keep the site running.
Most tools run entirely in your browser. Your inputs (text, files) are not uploaded to our servers unless a tool clearly says otherwise (e.g. an optional API).
No. You can use every tool without registering or logging in.
Yes. The site works on phones and tablets. Some tools (e.g. file uploads) work best on desktop.
We may show ads (e.g. Google AdSense) and sometimes link to products we recommend (affiliate links). Using the tools remains free.
Use the contact option listed in the footer or on our main page. We read all feedback.