GJZ Tools
Open tools
Fast, private image utilities

Convert and compress images in seconds, right in your browser.

WebP, PNG, JPG — built for clean results, mobile workflows, and no account sign-ups.

Privacy-first. No tracking pixels. No email required.
Image Converter
WebP • PNG • JPG
Live
Step 1
Drop files or paste a link
Step 2
Pick format + quality
Step 3
Download instantly
Processing
On-device
Typical time
Under 10s

Tools ready for you

Start with the image converter. More utilities will follow soon.

Image Converter

Convert JPG, PNG, and WebP with clean, predictable output.

Best for: web uploads, mobile assets
Open tool

Image Compressor

Reduce file size to a target without ugly artifacts.

Best for: forms, resumes, attachments
Open tool

Batch Resize

Resize many files in one go, optimized for social platforms.

Best for: marketing, social posts
Open tool

HEIC to JPG

Convert iPhone photos to shareable JPG in one tap.

Best for: iOS photos, email sharing
Coming soon

Why creators trust GJZ Tools

Every tool is built for clear intent, fast performance, and repeat use.

Clear results

Each tool focuses on one task so you get predictable output.

Mobile-ready

Designed for one-hand use and quick feedback on small screens.

Performance-first

Processing happens locally to keep speed high and costs low.

FAQ

Quick answers to the questions we get most.

Do you store my files?

No. Files are processed locally in your browser whenever possible.

Is it free?

Yes for core conversions. Advanced batch features may require limits.

Will this work on mobile?

Yes. The interface is tuned for touch and small screens.

Which formats do you support?

JPG, PNG, and WebP to start. HEIC support is coming.

Privacy

We keep it simple and transparent.

  • No account required to use tools.
  • No file uploads unless a tool explicitly says so.
  • No sharing or resale of usage data.