image optimization tool

Production-ready images.
No manual resizing. No guesswork.

Resize images, convert to WebP, AVIF and get responsive HTML with srcset — all in one drop. No setup, no signup. Upload, optimize and download instantly.

Start optimizing — it's free
Typical result: -70% file size without visible quality loss
imgprep — results
before
2.8 MB · JPEG
→
after
0.78 MB · WebP -72%
hero-photo.jpg 2.8 MB → 0.78 MB -72%
product-shot.png 1.4 MB → 0.31 MB -78%
<img src="hero-1200.webp"
srcset="hero-800.webp 800w,
    hero-1200.webp 1200w"
loading="lazy">

try it now

Drop your images below

Defaults: 1200 px · WebP · medium quality. More options in the full app.

↑
Drop images here or click to select
JPEG · PNG · WebP · GIF — up to 15 files · max 20 MB / file
✔ No manual resizing
✔ -70% file size typical
✔ Copy-paste HTML srcset
✔ Batch processing
✔ Files removed automatically

how it works

Three steps, zero effort

No configuration. No account. Open the tool, drop your images, download your ZIP.

1
Drop your images
JPEG, PNG or WebP. Drag & drop or click to browse. Batch upload supported.
2
Pick your settings
Choose breakpoints, quality and naming prefix. Sensible defaults work out of the box.
3
Download ZIP + HTML
Get all WebP variants and ready-to-paste srcset snippets in one click.

features

Everything you need, nothing you don't

Built for developers who want images handled correctly without thinking about it.

Smart resize
Images are only downsized — no unnecessary upscaling if the source is smaller than a breakpoint.
WebP conversion
All outputs in WebP. On average 70% smaller than the original JPEG or PNG.
srcset snippets
A ready-to-paste <img> tag with srcset and sizes for every processed image.
Instant processing
Upload, optimize and download. Files are processed securely and removed automatically after your session.
Auto file naming
Custom prefix + width suffix makes file names predictable and consistent across projects.
Instant ZIP download
All variants bundled into a single ZIP — drop it straight into your project.

free tool

Free Favicon Generator for modern sites

Upload one image and get favicon.ico, Apple touch icons, PWA icons, manifest.json and ready-to-paste HTML. Built for fast shipping, no signup required.

All favicon formats in one ZIP
Generate favicon.ico, PNG sizes, Apple touch icon and Open Graph assets from a single source image.
Dark mode adaptive favicon
Optionally upload a dark variant and serve theme-aware SVG favicons with prefers-color-scheme support.
PWA-ready output
Download manifest.json and implementation snippet so your PWA icon setup is complete in minutes.
Open free favicon generator

SEO bonus: better branded SERP presence and consistent app icons across browsers and devices.

pricing

Start free, upgrade when you need to

No credit card for the free plan. No hidden limits.

Free
$0
forever free
  • ✔ 20 images / day
  • ✔ WebP & AVIF output
  • ✔ Quality & resize controls
  • ✔ srcset snippets
  • ✔ ZIP download
  • ✕ Projects & history
  • ✕ 50 MB per file
most popular
Pro
$4/mo
or $39 / year  ·  save 19%
  • ✔ 500 images / day
  • ✔ WebP & AVIF output
  • ✔ Quality & resize controls
  • ✔ srcset snippets
  • ✔ ZIP download
  • ✔ Projects & history
  • ✔ 50 MB per file
Get Pro

faq

Common questions

Files are processed securely on our server and removed automatically after your session ends — we never store or use your images.
JPEG, PNG, and WebP. Output is always WebP for maximum compression.
The free plan includes presets at 800, 1200 and 1600 px. The Pro plan lets you define any breakpoints you need.
Yes. Cancel any time with no penalty — you'll keep Pro access until the end of your billing period, then revert to free.
The default quality setting is tuned for the best balance of file size and visual quality. Pro users can override it per-session.
Yes. Use our free favicon generator to create favicon.ico, Apple touch icons and PWA icons with manifest and HTML snippet.