- 1Choose file
- 2Adjust
- 3Download
Thumbnail Generator as PNG online, free
Several sizes at once (150, 300, 600…) plus a ready srcset snippet.
- Runs in your browser — no upload
- Free, no sign-up, no watermark
- JPEG
- PNG
- WebP
- AVIF
- GIF
- BMP
- TIFF
- HEIC / HEIF
Set up on this page
- Format: png
How to use Thumbnail Generator · Thumbnail Generator — frequently asked questions
How to use Thumbnail Generator as PNG
- 1
Add your file
Drop a file on the page or click Select Files.
- 2
Check the preset
Format is set to png. You can change it before running.
- 3
Run the tool
Press start. Processing happens on your device.
- 4
Save the result
The result is delivered as ZIP, HTML.
What Thumbnail Generator can do
- Format: same, webp, jpg and png
- Private by design — files are processed in your browser and never uploaded
- Free with no sign-up, no watermark and no daily limit
Thumbnail Generator — frequently asked questions
What does this page set for Thumbnail Generator as PNG?
Format: png. All of these stay editable.
Is my file uploaded?
No. On the web this tool runs in your browser, so your file is not uploaded.
Are there limits?
It takes one input per run. Server jobs accept up to 2 GB. A job can run for up to 120 seconds. In the browser, the practical limit is your device's memory.
Is Thumbnail Generator really free?
Yes. Thumbnail Generator is free forever on Sada Files — no ads, no premium tier, no watermark, no daily cap that pushes you to pay. Every option on this page is available to everyone.
Do I need to sign up or create an account?
No. There is no account system at Sada Files. Open the page, drop your file, pick your options and save the result. History and saved workflows stay on your device.
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