Comparison

7 free TinyPNG alternatives in 2026 (ranked honestly)

6 min read · May 2026

TinyPNG is excellent at smart lossy compression. The free tier caps you at 20 images per batch, 5MB per file, and every image goes through their servers. If either of those is the reason you're looking, here are seven free alternatives, ranked by what they actually do well. The honest part: there is no perfect TinyPNG replacement. TinyPNG's compression algorithm is genuinely good, and most "free alternatives" are either weaker, slower, or limited in some other way. The tools below all earn a spot for a specific job. Pick by the job, not by the name. ## Quick comparison | Tool | Free tier | Upload? | Best for | |---|---|---|---| | Squoosh | Unlimited, single image | No (runs in browser) | Per-image tuning with live preview | | Pixly | Unlimited, batch | No (runs in browser) | Resize + format conversion at scale | | Compressor.io | 10 images at once, 10MB | Yes | Quick web compression without signup | | Optimizilla | 20 images at once | Yes | Visual quality slider per image | | ImageOptim | Unlimited (Mac desktop) | No (local app) | Mac users with native workflow | | ezgif.com optimizer | Per-image, 35MB | Yes | One-off GIF + image jobs | | ShortPixel (free tier) | 100 images/mo | Yes | WordPress sites via plugin | ## 1. Squoosh Google's open-source web tool. Runs entirely in the browser with WebAssembly versions of all major image codecs (MozJPEG, OxiPNG, AVIF, WebP). Files never get uploaded. **Strengths:** real-time visual preview as you adjust compression settings, side-by-side before/after, per-codec parameter control. The best tool on this list if you want to dial in compression on a single hero image. **Limits:** one image at a time from the UI. No batch. If you have 200 images, Squoosh is not the right tool. **When to pick it:** tuning a hero image, comparing codecs, learning what compression actually does. ## 2. Pixly Browser-based image and PDF toolkit. Runs locally via WebAssembly. Like Squoosh, nothing gets uploaded. Unlike Squoosh, batch is unlimited and the workflow goes beyond compression. **Strengths:** batch resize + 12-format conversion in one place. For e-commerce or blog images, the resize-to-display-dimensions and convert-to-WebP workflow usually produces a smaller file than running TinyPNG on the original full-size image. No signup, no per-image cap, full-resolution output. **Limits:** no dedicated lossy compressor in the TinyPNG sense. If you must keep the original dimensions and need pure compression, Pixly's path is convert to WebP, which usually shrinks the file but doesn't match TinyPNG's PNG compression ratio on the same dimensions. **When to pick it:** batch jobs, e-commerce product photos, anything where resize-plus-convert is acceptable (which covers most web use). [Open Pixly's batch resizer](https://pixly.cc/batch-resize). ## 3. Compressor.io Long-running web compressor with both lossy and lossless modes. Supports JPG, PNG, GIF, WebP, SVG. **Strengths:** clean UI, decent quality on JPEG and PNG, no signup for basic use. Faster than fighting TinyPNG's batch wall for one-off jobs. **Limits:** free tier caps at 10 images per batch and 10MB per file. Uploads every file. Pro tier exists for higher limits and API access. **When to pick it:** quick one-off web compression, especially if you're already used to its UI. ## 4. Optimizilla Web tool with a per-image quality slider and visual preview. Supports JPEG, PNG, and GIF. **Strengths:** the per-image slider is genuinely useful when one photo in a batch needs more compression than another. Free, no signup, no watermarks. **Limits:** 20 images at once (same as TinyPNG free). Uploads files. PNG compression is decent but TinyPNG's algorithm still wins head-to-head on most images. **When to pick it:** small batches where per-image quality control matters more than throughput. ## 5. ImageOptim (Mac) Native Mac desktop app. Open-source, free. Combines several compression backends (MozJPEG, OxiPNG, Guetzli, etc.) into one drag-and-drop interface. **Strengths:** fastest local workflow for Mac users. Drop a folder, get the same folder back with optimized images in place. Genuinely competitive with TinyPNG on quality. No upload, no signup, no cap. **Limits:** Mac only. Windows and Linux users need a different tool. Defaults are conservative; aggressive lossy compression takes a settings dive. **When to pick it:** you're on a Mac and you process images regularly enough to want a desktop tool. ## 6. ezgif.com optimizer Long-running utility site mostly known for GIF tools. Also has a respectable JPEG/PNG optimizer. **Strengths:** handles GIFs (including animation-aware compression) better than most alternatives. Higher per-file size limit than TinyPNG (35MB vs 5MB). No signup. **Limits:** UI is dated and the page is dense with ads. Per-image processing, not great for batches. Uploads files. **When to pick it:** you need to compress an animated GIF, or you have a single large file that exceeds TinyPNG's 5MB cap. ## 7. ShortPixel (free tier) Paid tool with a free tier of 100 images per month. Best known for the WordPress plugin that compresses images on upload. **Strengths:** integrates directly into WordPress media library. Hands-off ongoing compression for a site that's already running. The free tier is enough for small blogs. **Limits:** 100 images per month is tight. Uploads files. The good features are paid. Most useful as a WordPress plugin, less as a one-off compressor. **When to pick it:** you run a WordPress site and want automated compression on every new upload. ## How to pick Three questions sort most decisions. **Are you optimizing a single hero image, or hundreds in a batch?** Single image with tuning: Squoosh. Hundreds: Pixly (resize plus convert) or ImageOptim on Mac. **Do you care about whether the image gets uploaded?** Yes: Squoosh, Pixly, or ImageOptim. They never transmit the file. No: any of the seven. **Are you running WordPress?** Yes: ShortPixel's plugin is a different category of useful (automated on upload). No: the WordPress-specific tools don't matter. ## The workflow most "TinyPNG alternative" searchers actually want A surprising amount of "I need smaller images" work is actually solved by resizing, not compressing. A 4000-pixel product photo on a Shopify store that displays at 600 pixels is wasted bytes that no compressor can fully recover. The right sequence for web and e-commerce images: 1. Resize to the actual display dimensions (1200 to 2000 pixels wide is plenty for most stores). 2. Convert to WebP if your platform supports it (Shopify, Squarespace, Wix, modern WordPress all do). 3. Run a compressor only if the file is still too large after the first two steps. For steps 1 and 2, [Pixly's batch resizer](https://pixly.cc/batch-resize) handles both in one pass without uploading anything. For step 3, ImageOptim on Mac or TinyPNG itself if you don't mind the cap. ## FAQ **Why isn't TinyPNG itself on this list?** This is a list of alternatives. TinyPNG remains an excellent tool. If its free-tier cap (20 images per batch, 5MB per file) isn't blocking you, there's no reason to switch. **Which alternative has the best compression quality?** For raw lossy compression at original dimensions, TinyPNG and ShortPixel are typically the strongest. Squoosh and ImageOptim are very close when configured well. The "best" depends heavily on the image; benchmark on your own files. **Which alternative is the most private?** Three tools on this list never upload your image: Squoosh (browser, WebAssembly), Pixly (browser, WebAssembly), and ImageOptim (Mac desktop app). Everything else uploads. **Is there a free TinyPNG alternative with an API?** Not really, at scale. TinyPNG's Tinify API is the standard. Open-source self-hosted options (imgproxy, sharp running on your own server) exist but require deployment work. There's no drop-in free-API replacement. **Why do "free" tools all have caps?** Server-side compression costs money. Free tiers exist to attract paid customers, so they're set at "enough to try" not "enough to run a business on." The exceptions on this list are the tools that compress in your browser or on your desktop: Squoosh, Pixly, and ImageOptim. None of those pay for server compute, so none of them need a cap. ## Want to try the browser-side approach? If your TinyPNG search is really a "smaller images for my store" problem, try the resize-plus-convert path before paying for an API. It's free, unlimited, and runs without uploading anything. **[Open Pixly's batch resizer — pixly.cc/batch-resize](https://pixly.cc/batch-resize)** For format conversion (PNG to WebP, JPEG to AVIF, HEIC to JPG), Pixly handles those in the same browser session. No signup, no cap.

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