Free Online Tools for
Developers & Designers
Image converters, PDF tools, code formatters, SEO utilities and more — all browser‑based, all private, all free.
Advertisement
Most Used
Popular Tools
Browse by Category
All Tools — 7 Categories
Click any tool to use it instantly
Image & SVG Tools
Convert, compress, crop and edit images
PDF Tools
Merge, split, unlock and convert PDFs
Code Tools
Minify, format and beautify code
Text & Content
Count, convert and manipulate text
SEO & Marketing
Optimize metadata and analyze content
Utilities
Encode, hash, generate and more
Converters
Convert units, numbers and formats
Why Us
Built for Speed, Privacy & Simplicity
100% Private
Files never leave your browser. Zero server uploads.
Instant Results
Client-side processing. No waiting for server responses.
Always Free
No signup, no payments, no limits. Accessible worldwide.
No Data Collected
We don't track, store, or sell your data. Ever.
Advertisement
Testimonials
Loved by 50,000+ Users
"The image compressor and CSS minifier save me hours every week."
Priya S.
Web Developer
"The SEO tools have helped me optimize dozens of websites. Game changer."
James K.
Digital Marketer
"Everything processes locally — no worries about uploading client files."
Ankit R.
Freelance Designer
"Word counter and case converter are incredibly handy. Clean and fast."
Sarah M.
Content Creator
"JSON formatter and SQL formatter are beautifully designed."
Ravi T.
Full-Stack Developer
"Color picker with HEX/RGB/HSL and the image cropper are my daily go-tos."
Emma L.
UX Designer
Ready to Work Faster?
51+ free tools for developers, designers, and creators — no signup, no cost, no limits.
Explore All ToolsFAQ
Frequently Asked Questions
Are all tools really free?
Yes — every tool is 100% free with no hidden charges, no premium locks, and no trial periods.
Do you store my files?
No. All processing happens locally in your browser. Your files never leave your device.
Do I need to create an account?
No signup or registration required. Open any tool and start using it instantly.
What image formats are supported?
PNG, JPG/JPEG, WebP, SVG, GIF, and BMP. Batch processing supports up to 50 images at once.
Can I use these tools on mobile?
Yes — every tool is fully responsive and optimized for mobile, tablet, and desktop.
Is addressoftools safe to use?
Completely safe. Local processing means no risk of data breaches. We use HTTPS and collect no personal data.