Best TinyPNG Alternative
More formats, larger files, better privacy, and completely free — no 5MB limit like TinyPNG.
Looking for a TinyPNG alternative? CompressFast is free, private (no upload), supports 8 formats, batch 30 images, and offers Pro $24.99 lifetime. No file size limits like TinyPNG.
CompressFast is a pure browser-side image processing tool — no files are ever uploaded to any server during compression. Your files stay on your device, processing is fast, and privacy is absolute.
Detailed Usage Guide
TinyPNG has been the go-to image compressor for over a decade. It is reliable, well-known, and delivers consistent results. But in 2026, there are compelling reasons to consider alternatives — especially if you care about privacy, work with large files, or want to avoid recurring subscription costs.
CompressFast is the best TinyPNG alternative for users who want:
1. True privacy — TinyPNG processes your images on their cloud servers. Your files are uploaded, processed, and (they claim) deleted. But during those seconds, your images exist on a third-party server. CompressFast never uploads anything. All compression runs in your browser via Web Workers and WebAssembly. Disconnect your internet after loading the page — everything still works. This is critical for sensitive documents, client work, medical images, and unreleased product photos.
2. No file size limits — TinyPNG restricts free users to 5MB per image. A single high-resolution photo from a modern smartphone easily exceeds this. CompressFast supports 25MB per image on the free tier (50MB for Pro). No artificial caps on your creative work.
3. More format support — TinyPNG handles WebP, PNG, and JPEG. CompressFast handles 8 input formats (PNG, JPEG, WebP, AVIF, GIF, BMP, SVG, HEIC) and 4 output formats (PNG, JPEG, WebP, AVIF). This means format conversion is built-in — turn a GIF into WebP, a HEIC into JPEG, or a PNG into AVIF, all in the same compression step.
4. Lifetime pricing — TinyPNG Pro costs $25/year, every year. CompressFast Pro is $24.99 once. For occasional users, both free tiers are fine. For regular users, the math favors CompressFast after year one.
5. Extra features included — EXIF/GPS metadata stripping, image watermarking (text + image), resize with presets, ZIP batch download, before/after comparison slider. TinyPNG charges for some of these features; CompressFast includes them free.
Areas where TinyPNG still wins: API access for developers, Photoshop/Figma plugins, and slightly more polished default JPEG compression. For everything else — especially privacy, batch work, and cost — CompressFast is the better tool.
Why Choose CompressFast?
No 5MB File Limit
TinyPNG limits free users to 5MB per file. CompressFast supports up to 25MB for free (50MB Pro). No artificial restrictions.
Files Never Uploaded
TinyPNG uploads your images to their cloud servers. CompressFast processes everything locally — your images never leave your device.
Free vs $25/Year
CompressFast free tier beats TinyPNG Pro on file size limits and batch count. Pro $24.99 lifetime vs TinyPNG $25/year subscription.
How to TinyPNG Alternative
Drop Images (No 5MB Cap)
Unlike TinyPNG, you can compress files up to 25MB each for free. Drop up to 30 images at once.
Compress with Confidence
Your files stay on your device — no cloud upload. Adjust quality or use presets. All processing is local.
Download & Compare
Compare before/after with the built-in slider. Download individual files or batch ZIP. Quality rating for each result.
FAQ
Is CompressFast really better than TinyPNG?
In key areas: yes. Larger file limits (25MB vs 5MB), true privacy (no upload vs cloud processing), more input formats (8 vs 3), and lifetime pricing ($24.99 vs $25/year). TinyPNG has slightly better default compression quality.
Why is TinyPNG still so popular?
TinyPNG has been around since 2014 and built strong brand recognition. But for privacy-conscious users and those with large files or batch needs, CompressFast is a better choice.
Can I use CompressFast just like TinyPNG?
Yes — and more. Same drag-and-drop experience, but with batch ZIP download, format conversion, watermark, resize, and EXIF stripping. Everything TinyPNG does plus features they charge extra for.
Can I switch from TinyPNG to CompressFast without losing quality?
PNG compression: CompressFast uses oxipng WASM for lossless optimization — often achieves smaller files than TinyPNG for PNG. JPEG compression: TinyPNG has a slight edge in default quality, but CompressFast gives you a quality slider (TinyPNG doesn't) so you can match or exceed their results by adjusting. In practice, the differences are negligible for web use.
Does CompressFast have an API like TinyPNG?
Not currently. CompressFast is designed as a browser-based tool for end users, not developers. If you need API-based compression for a build pipeline, TinyPNG or Kraken.io are better fits. For manual batch compression with privacy, CompressFast is the better choice.
What makes CompressFast more private than TinyPNG?
TinyPNG requires uploading images to their cloud servers for processing — they have access to your files during compression. CompressFast processes everything locally using Web Workers and WebAssembly in your browser. Your files never leave your device. You can verify this by disconnecting your internet after loading the page — everything still works.
Is CompressFast completely free like the free tier of TinyPNG?
Yes — and more generous. CompressFast free: 30 images/batch, 25MB/file, 400/month, all formats. TinyPNG free: 20 images/batch, 5MB/file, 500/month, WebP/PNG/JPEG only. CompressFast Pro ($24.99 lifetime) unlocks 500/batch, 50MB/file, no monthly limits, and AVIF output. TinyPNG Pro is $25/year.
Can CompressFast compress PDF files like some TinyPNG alternatives?
No — CompressFast is focused on image formats only (PNG, JPEG, WebP, AVIF, GIF, SVG, BMP, HEIC). For PDF compression, dedicated tools like Smallpdf or ILovePDF are better suited. CompressFast excels at image optimization specifically.