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TinyPNG Alternative —
Free Image Compressor, No Limits (2026)

TinyPNG limits free users to 20 images and uploads everything to their servers. ToolBox compresses PNG, JPG, and WebP by 50–80% — unlimited, in your browser, with zero uploads.

TinyPNG vs. ToolBox

Side-by-side feature comparison

Feature
TinyPNG
ToolBox
Free limit
20 images/batch
Unlimited
Format support
PNG, JPG, WebP
PNG, JPG, WebP
Server upload
Yes (cloud processing)
No (100% local)
Signup
Required for API
No signup needed
Batch processing
20 files max (free)
Unlimited batch

Why Choose ToolBox Over TinyPNG?

Three reasons users are switching

Unlimited Free

TinyPNG limits free users to 20 images per batch and 500 images per month via API. ToolBox has no such limits — compress as many images as you need, completely free, every day.

WebP Support

ToolBox fully supports WebP alongside PNG and JPG. Compress modern WebP images with the same quality-to-size ratio, giving you flexibility for next-gen image formats.

Browser-Local Processing

TinyPNG uploads every image to their cloud servers. ToolBox compresses images entirely in your browser — your photos and graphics never leave your device. Total privacy by design.

Frequently Asked Questions

Everything you need to know about switching from TinyPNG

Is ToolBox a free alternative to TinyPNG?

Yes. ToolBox compresses PNG, JPG, and WebP images completely free with no daily limits. Unlike TinyPNG which limits free users to 20 images per batch, ToolBox has no such restrictions.

Does ToolBox support WebP compression?

Yes. ToolBox supports PNG, JPG, and WebP formats. TinyPNG primarily focuses on PNG and JPG. ToolBox gives you full WebP support included free.

Does ToolBox upload my images to a server?

No. All image compression happens locally in your browser. Your images never leave your device. TinyPNG uploads every image to their servers for processing.

How much can ToolBox compress my images?

ToolBox typically achieves 50-80% file size reduction while maintaining visual quality, comparable to TinyPNG's compression rates. Results vary depending on the image content and format.

Do I need an account or API key to use ToolBox?

No. ToolBox requires no signup, no API key, and no account. Just open the page and start compressing. TinyPNG requires an API key for automated use and limits free web usage.

Ready to Compress Images for Free?

No signup. No upload limits. No server processing. Just drag, drop, and download your optimized images instantly.

Try It Now — Free →

No account needed. Works in Chrome, Firefox, Safari, and Edge.