Fast, modern tools for development and design
Optimize images, generate stylish QR codes, and create favicons in seconds. All in one place.
iControl — Simple, clear finance tracking
Track income and expenses, organize categories, set budgets, and follow your progress with easy‑to‑read visuals.
Image optimization — lighter, just as sharp
Reduce file size without sacrificing quality. Export to WebP/AVIF, tune quality, and resize to improve Core Web Vitals.
Image converter — PNG/JPG/WEBP/HEIC on the fly
Drag and drop, batch convert, and download instantly. Keeps transparency when applicable.
Proper favicons for every device
Generate correct sizes, metadata, and manifest. Get a ZIP ready for production and PWA.
Branded QRs ready to print
Set colors and corners, add your logo, and export in high resolution for print and screens.
What’s new in DevSign
We keep adding utilities and polishing the experience.
App Icons iOS/Android
Upload your logo and download a ZIP with all sizes and correct structure.
CSS/JS Compressor
Minify your code instantly and add a DevSign brand comment.
Improved QR
220px preview and Hi‑Res download, presets, embedded logo, and more controls.
How it works
Three simple steps to improve your workflow
1. Upload your files or enter your text
Drag images or paste the URL/text to generate your QR.
2. Customize as you like
Adjust colors, corners, compression, and formats.
3. Download instantly
Export in high quality and production‑ready formats.
Why choose DevSign?
Fast
Instant processing in your browser.
Private
No uploads to external servers.
Free
No sign‑up, no hidden costs.
Production‑ready
Optimized files and up‑to‑date standards.
Images optimized
QRs generated
Favicons created
Projects powered
Find these tools useful? Your support drives new features
All tools are free and run in your browser. If you’d like to contribute to maintenance and future improvements, you can do so via PayPal or by starring the repository.
What users say
“Image compression improved my LCP without losing quality. Super fast.”
“The QR generator with logo saved me hours for a print catalog.”
“Loved the app icons package—ready to submit to stores.”
In progress
- • Hover pause and mobile speed in carousel
- • Keyboard shortcuts in tools
Next
- • Android adaptive icons
- • Batch QR generation
- • SVG optimization
Ideas
- • Color palette extractor
- • Image watermark
- • Sprite generator
Speed up your creative workflow
Use our free, production‑ready tools.
Frequently asked questions
Are my images uploaded to any server?
No, processing occurs in your browser for greater privacy.
Can I customize QR colors?
Yes, you can choose dot and corner colors, and include a logo.
Does it cost anything?
No, all tools are free and require no sign‑up.