What Is Compressor.io?
Compressor.io is a well-known online image compression tool that has been around since 2013. It supports JPG, PNG, GIF, and SVG compression, with an optional lossy or lossless mode toggle. The interface is minimal: drop a file, choose lossy or lossless, download the result.
The tool is popular because it works well for basic compression tasks and has a clean, no-frills UI. However, the free plan has hard limits that become frustrating quickly: 10MB maximum file size and 10 images per batch. Anything beyond that requires a Pro subscription at $6.99/month or $69.99/year.
Images are also processed on Compressor.io's servers — meaning your files are uploaded, compressed server-side, then returned to you for download. For sensitive images, this is a privacy consideration worth knowing.
What Is TinyPNG Now?
TinyPNG Now is a free, browser-based image toolkit that compresses JPG, PNG, and WebP images entirely in your browser using WebAssembly. There are no file size limits, no batch limits, no account required, and no server upload — your images never leave your device.
Beyond compression, TinyPNG Now includes 25+ additional image tools: background removal, image resizing, cropping, rotating, watermarking, QR code generation, favicon creation, photo filters, collage maker, PDF conversion, and more — all free with no subscription.
File Size & Batch Limits: A Clear Difference
This is where the two tools diverge most significantly for regular users.
Compressor.io free: 10MB per file, 10 images per batch. If you're compressing product photos from a DSLR (often 8–25MB each), you'll hit the limit on the first file. Running a batch of 50 images means 5 separate sessions.
TinyPNG Now: No limit. Compress a 50MB RAW-exported JPG. Compress 200 images at once. Download them all as a single ZIP. No session limits, no sign-up, no credit system.
Real-world scenario: A photographer exporting 80 wedding photos at 15MB each would be stopped immediately by Compressor.io's free tier. TinyPNG Now handles all 80 in a single drag-and-drop session.
Privacy: Browser-Based vs Server-Based
This distinction matters more than most users realize.
When you upload to Compressor.io, your images are transmitted to their servers, processed, temporarily stored, and then returned to you. Their privacy policy states files are deleted after a short window, but the upload itself happens regardless.
TinyPNG Now uses WebAssembly to run compression codecs directly in your browser tab. Zero bytes leave your device. This matters for:
- Medical or legal images with confidential content
- Client work under NDA
- Personal photos you don't want on third-party servers
- Corporate assets with brand guidelines
- Anywhere with slow or restricted internet connections
Format Support
| Format | TinyPNG Now | Compressor.io (Free) | Compressor.io (Pro) |
|---|---|---|---|
| JPG / JPEG | ✅ | ✅ | ✅ |
| PNG | ✅ | ✅ | ✅ |
| WebP | ✅ | ❌ | ✅ |
| GIF | ❌ | ✅ | ✅ |
| SVG | ❌ | ✅ | ✅ |
Compressor.io has an advantage with GIF and SVG support on the free plan. TinyPNG Now covers the three formats that account for over 95% of web image traffic — JPG, PNG, and WebP. If you regularly compress SVGs or GIFs, Compressor.io's free tier covers that gap. For everything else, TinyPNG Now is the broader free option.
Compression Quality: How Do They Compare?
Both tools deliver strong compression results. The underlying algorithms are different but the output quality is comparable for most use cases:
- TinyPNG Now: Uses browser-native WebAssembly codecs optimized for JPG (MozJPEG-based), PNG (pngquant-based), and WebP. Typical reductions of 60–80% with minimal visible quality loss.
- Compressor.io: Uses server-side compression with lossy and lossless modes. Lossy mode achieves similar 60–80% reductions. Lossless mode is gentler — 10–30% reductions while preserving every pixel.
If you specifically need lossless compression (pixel-perfect output, no quality loss), Compressor.io's lossless mode is worth noting. TinyPNG Now focuses on lossy compression optimized for web performance where some quality tradeoff is acceptable.
Extra Tools: No Contest
Compressor.io is a single-purpose tool — it compresses images and that's it. TinyPNG Now is a full image toolkit.
| Tool | TinyPNG Now | Compressor.io |
|---|---|---|
| Image Compression | ✅ | ✅ |
| Background Removal | ✅ | ❌ |
| Image Resize | ✅ | ❌ |
| Image Crop | ✅ | ❌ |
| Rotate / Flip | ✅ | ❌ |
| Watermark | ✅ | ❌ |
| Photo Editor | ✅ | ❌ |
| QR Code Generator | ✅ | ❌ |
| Favicon Generator | ✅ | ❌ |
| Image to PDF | ✅ | ❌ |
| PDF to Image | ✅ | ❌ |
| Image Upscale (AI) | ✅ | ❌ |
| Shadow Remover | ✅ | ❌ |
| Blur Face | ✅ | ❌ |
| Color Palette Extractor | ✅ | ❌ |
Pricing Comparison
| Plan | TinyPNG Now | Compressor.io |
|---|---|---|
| Free tier | ✅ Full features, no limits | ✅ 10MB / 10 images limit |
| Paid plan | None needed | $6.99/month or $69.99/year |
| Account required | ❌ Never | ❌ Not for free tier |
Bottom line on pricing: TinyPNG Now is entirely free with no upgrade path needed. Compressor.io's free tier is genuinely useful for light use, but the 10MB and 10-image caps mean many users will hit the wall within their first session.
Side-by-Side Verdict
| Category | Winner |
|---|---|
| File size limits | TinyPNG Now WINNER |
| Batch compression | TinyPNG Now WINNER |
| Privacy (no server upload) | TinyPNG Now WINNER |
| WebP support (free) | TinyPNG Now WINNER |
| GIF compression | Compressor.io |
| SVG compression | Compressor.io |
| Lossless mode | Compressor.io |
| Extra tools | TinyPNG Now WINNER |
| Price | Tie (both free for basics) |
When to Use Compressor.io Instead
Compressor.io still makes sense in a few specific scenarios:
- You need lossless compression — Compressor.io's lossless mode preserves every pixel, useful when quality loss is not acceptable
- You need GIF compression — TinyPNG Now does not currently support animated GIF compression
- You need SVG minification — Compressor.io handles SVGs; TinyPNG Now does not
- You only compress 1–2 images occasionally — Both tools are equally convenient for light use
Final Recommendation
For the vast majority of users — web developers, photographers, content creators, e-commerce sellers — TinyPNG Now is the better free alternative to Compressor.io. The absence of file size limits, the unlimited batch compression, the privacy guarantee of browser-only processing, and the 25+ extra tools at no cost make it the more capable and less restrictive choice.
If you specifically need GIF compression, SVG minification, or strictly lossless output, Compressor.io's free tier covers those gaps. But for everyday web image compression, TinyPNG Now wins outright.
Try TinyPNG Now — Free, No Limits
Compress unlimited images in your browser. No uploads. No account. No file size cap.
Compress Images Free →Frequently Asked Questions
Is TinyPNG Now better than Compressor.io?
For most users, yes. TinyPNG Now has no file size limit, supports batch compression with unlimited files, runs 100% in your browser with no server uploads, and includes 25+ additional image tools. Compressor.io caps free uploads at 10MB per file and 10 images per batch, and uploads your images to their servers.
Does Compressor.io upload images to a server?
Yes. Compressor.io processes images server-side, which means your images are uploaded to their servers for compression. TinyPNG Now compresses entirely in your browser using WebAssembly — your images never leave your device.
What is the file size limit on Compressor.io?
Compressor.io's free plan limits uploads to 10MB per file and 10 images per batch session. Their Pro plan ($6.99/month) increases limits. TinyPNG Now has no file size limit and no batch limit.
Which tool gives better compression results?
Both tools deliver similar compression results — typically 60–80% file size reduction for JPGs and PNGs. The bigger differentiators are file limits, privacy, and extra features rather than compression ratio.
Does Compressor.io support WebP?
WebP output on Compressor.io is a Pro feature. The free plan supports JPG, PNG, GIF, and SVG. TinyPNG Now supports WebP, JPG, and PNG compression for free with no account required.
What is a good free alternative to Compressor.io?
TinyPNG Now is the strongest free alternative to Compressor.io — no file size limits, no upload limits, no account required, compresses in your browser, and includes 25+ extra tools. Try it free here.