25 tools
Developer Tools
JSON, encoding, hashes and SEO
Open categoryDANGNH STUDIO · FREE BROWSER UTILITIES
Free web tools for everyday small tasks.
136 tools and 26 lightweight apps for images, PDFs, text, developers, creators, and everyday work. No installation required.
136 tools26 appsFree · VI/EN
01 / INDEX
Popular tools
Stable utilities you can open and use immediately.
YouTube Title Checker
Check and refine video titles.
creator-toolsHashtag Generator
Create hashtags by topic.
creator-toolsImage Resizer
Resize images to the size you need.
image-toolsPassword Generator
Create strong passwords directly in your browser.
security-toolsQR Code Generator
Generate QR codes for links, text, email, phone and WiFi.
link-toolsAffiliate Commission Calculator
Estimate commission from sales and rate.
marketing-toolsBarcode Generator
Generate and download a free SVG barcode.
generator-toolsBase64 Encoder Decoder
Encode and decode Base64 locally.
developer-tools02 / INDEX
Main categories
Jump directly to the right utility group for your task.
19 tools
Image Studio
Compress, resize, convert and edit images
Open category18 tools
Text Tools
Count, clean and convert text
Open category17 tools
File Converter Studio
Safe image, document and text conversion.
Open category16 tools
Browser Diagnostic Studio
Test hardware, display, browser and device capabilities.
Open category15 tools
Calculator Hub
Age, BMI, loan and date calculators
Open category15 tools
PDF Toolkit
Merge, split and rotate PDFs
Open category12 tools
Color Studio
Palettes, gradients and contrast
Open category03 / INDEX
Featured apps
Small apps for productivity, decisions, and everyday work.
04 / INDEX
Latest guides
Practical content to help you get more from the tools.
05 / PRINCIPLES
Why DangNH Studio
Runs in your browser
No installation
Vietnamese and English
Lightweight and mobile-friendly
Processed locally when the selected tool supports it.