Shrink JPG, PNG and WebP without losing quality. Hit a precise target like 100 KB for forms, set the quality yourself, or use one-tap presets — bulk, free, and 100% in your browser.
Three steps, no installs, no signup. Works for forms, listings, websites, email and social — one image or hundreds.
Drop, paste or pick JPG, PNG, WebP, GIF or AVIF — one or hundreds at a time. Everything stays in your browser.
Set an exact target size like 100 KB, choose a quality level, or tap a preset for Amazon, Instagram, email or forms.
Grab each compressed image, or download everything as a ZIP — no watermark, no signup, no limit.
Most online compressors upload your files, stamp watermarks, or lock full-resolution downloads. This one does none of that.
Compress to 100 KB, 50 KB, 20 KB or any custom size — perfect for forms and portals that reject larger files.
Images are processed entirely in your browser and never uploaded to a server, unlike most online tools.
Compress as many images as you like at once and download them all together as a single ZIP file.
Convert to modern formats 30–50% smaller than JPG or PNG at the same quality — ideal for fast websites.
Resize and compress in a single click for Amazon, Instagram, WhatsApp, Shopify, email and exam forms.
Drag to compare the original and compressed image with live savings, so you can confirm the quality is intact.
Exam portals, job applications, bank KYC and government forms all cap photo and signature uploads at a few KB — and reject anything bigger. Set the exact target (100 KB, 50 KB, even 20 KB) and get a file that fits the limit on the first try, with the photo still clear. No more guessing with quality sliders on tools that upload your documents to a server.
Compress for a form"Upload photo (max 100 KB)", "Signature under 20 KB", "Document below 200 KB" — hit any of these exactly, in one click.
Many free compressors upload your files, cap how many you can do, or push you to pay for full quality.
| Feature | Tooljin Image Compressor | Typical online tools |
|---|---|---|
| Compress to an exact KB size | Built-in | Rare |
| Files stay on your device | Always | Uploaded to servers |
| Bulk compress + ZIP | Unlimited | Often capped |
| WebP & AVIF output | Included | Varies |
| Watermark on result | Never | Common |
| Transparent PNG kept | Yes | Sometimes flattened |
| Price | Free, no signup | Freemium / limited |
Everything about compressing images with Tooljin.
Yes — completely free with no signup, no watermark and no limit on how many images you compress. Every feature, including bulk compression, presets and format conversion, is free.
No. Every image is compressed entirely inside your browser on your own device — your files never leave your computer.
Choose Target size mode and pick 100 KB or type a custom value. The tool finds the quality that gets your image at or under that size — ideal for exam, job and government form uploads.
JPG, PNG, WebP, GIF and AVIF. You can also convert between them, for example PNG to WebP or JPG to AVIF, for much smaller files.
You stay in control with the quality slider or target size, and the before/after slider lets you confirm there is no visible loss before downloading.
Yes. Drop or paste as many as you like, compress them in one click, and download them together as a ZIP.
AVIF is a newer format that produces the smallest files at a given quality. It works in most modern browsers; if yours cannot create AVIF, that option is hidden automatically.
Yes. It runs in any modern browser on phone, tablet or desktop — nothing to install.
One free toolbox for images, documents, SEO and e-commerce.
Exact size, no quality loss, no watermark — and your images never leave your browser.
Open Image Compressor