Image Tools
Image Compressor
Shrink JPG, PNG & WebP by up to 80% with no visible quality loss.
Launch Tool
Files never leave your browser
Free Online Tools for Images, Text, Developers & Calculators
Fast, secure and easy-to-use utilities that work directly in your browser — no installs, no sign-up.
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24+
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The tools people reach for most.
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JSON Formatter
Beautify, minify and validate JSON with instant error highlighting.
Launch Tool
Calculators
EMI Calculator
Work out loan EMIs with a full amortization breakdown.
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Text Tools
Word Counter
Live word, character, sentence & reading-time counts.
Launch Tool
Text Tools
Case Converter
Convert text to UPPER, lower, Title or sentence case instantly.
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Image Tools
PNG to WebP
Convert PNG images to modern WebP for faster-loading sites.
Launch Tool
Developer Tools
Base64 Encode / Decode
Encode or decode Base64 text and data URIs in one click.
Launch Tool
Developer Tools
JWT Decoder
Decode a JWT header & payload locally — tokens never leave your device.
Launch Tool
Why AZUtils
Why choose AZUtils?
Built to be fast, private and free — the way online tools should be.
Lightning Fast
Tools run instantly in your browser — no waiting on uploads or server queues.
100% Free
Every tool is free forever. No paywalls, no watermarks, no usage caps.
Private & Secure
Most tools process files locally, so your data never leaves your device.
Browser-Based
Nothing to install or update. Open a tab and get to work on any OS.
No Registration
Start using any tool immediately — no sign-up, no email, no friction.
Mobile Friendly
Fully responsive and touch-optimised for phones, tablets and desktops.
Hand-picked
Featured Tools
Utilities worth bookmarking.
Popular
Image Compressor
Shrink JPG, PNG & WebP up to 80% with no visible quality loss. Processed in your browser.
Launch Tool
Developer Tools
JSON Formatter
Beautify, minify and validate JSON with instant error highlighting.
Launch Tool
New
PNG to WebP
Convert PNG to modern WebP for faster-loading websites.
Launch Tool
Calculators
EMI Calculator
Calculate loan EMIs with a full amortization breakdown.
Launch Tool
Text Tools
Word Counter
Live word, character, sentence & reading-time counts.
Launch Tool
Developer Tools
JWT Decoder
Decode JWT header & payload locally — tokens never leave your device.
Launch Tool
Learn
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From the Blog
Guides, tips and tutorials.
Image Editing
Favicon Generator: Every Size & Format Your Website Needs in 2026
A modern favicon is a set of sizes and formats plus a web manifest. Learn exactly what you need, the HTML to add, and how to generate it all from one image.
· 9 min read
Image Editing
PNG to WebP (and Back): Which Format to Use & How to Convert
WebP files are 25–35% smaller than PNG at the same quality. Learn when to convert each way and how to do it losslessly with a free browser-based converter.
· 9 min read
Image Editing
Image Compressor: How to Compress Images for the Web (Without Losing Quality)
Cut image file sizes by up to 80% without visible quality loss. Learn lossy vs lossless, formats and a step-by-step workflow — plus a free browser-based compressor.
· 10 min read
Yes. Every tool on AZUtils is 100% free to use with no sign-up, no watermarks and no hidden limits.
For most tools — including image compression, JSON formatting and JWT decoding — everything runs directly in your browser, so your files and data never leave your device.
No account is required to use any tool. Accounts are only needed later for optional premium features and API access.
Absolutely. AZUtils is built mobile-first and works on any modern phone, tablet or desktop browser.
A developer API is on our roadmap and will let you integrate AZUtils conversions and utilities directly into your own apps.