Launching today
DeviTools
Free Online Image, JSON & File Tools
1 follower
Free Online Image, JSON & File Tools
1 follower
Free online tools for everyone: convert HEIC, PNG, JPG and WebP images or turn them into PDFs, create QR codes, format and convert JSON, and compare files. Fast and private.

Hi Product Hunt! 👋
I'm Jamshaid, the maker of DeviTools.
As a developer, I kept jumping between different websites for small daily tasks: comparing two files, formatting a messy JSON response, testing an XPath, or converting iPhone photos that wouldn't open on Windows. Many of those sites were full of ads, asked me to sign up, or uploaded my files to their servers. So I started building my own tools, one small piece at a time, and DeviTools is the result.
What you can do with it:
🔍 File Comparison – compare two files side by side
🖼️ Image Converter – HEIC, JPG, PNG, WebP, AVIF, GIF and BMP. Images are converted on your own device and never uploaded
🧩 JSON Toolkit – format, validate, minify, and convert to CSV, YAML or XML
📄 XML Toolkit – format, validate, convert, and test XPath expressions
📱 QR Code Generator – for websites, business cards and text
No sign-up needed, it's free to use daily, and it's available in English, Spanish, German and French.
[One line about what was hardest or most interesting to build, e.g. "Getting HEIC decoding to work fully in the browser was the trickiest part."]
I'm adding new tools regularly, so I'd love to hear from you:
👉 Which tool do you use most often that you wish were simpler or more private?
Thanks for checking it out! I'll be here all day answering questions.