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imgproxy vs Sotto
imgproxy processes images, while Sotto handles audio generation.
Which to pick
Pick imgproxy if you want…
- On-premise, high-performance image processing
- Self-hosted image processing
- Integrations with Docker, Linux packages or Amazon S3 (on imgproxy's list, not Sotto's)
Pick Sotto if you want…
- Instant local TTS on macOS
- A free, open-source tool
- Integrations with macOS or Apple silicon (on Sotto's list, not imgproxy's)
Side by side
- What it is
- imgproxy:imgproxy is a self-hosted image processing server that resizes, optimizes and transforms images on the fly.
- Sotto:Sotto is a native macOS app that instantly reads selected text aloud with local, expressive TTS.
- Best for
- imgproxy:On-premise, high-performance image processing
- Sotto:Instant local TTS on macOS
- Who it’s for
- imgproxy:Web developers and DevOps teams needing fast, secure image handling on their own infrastructure.
- Sotto:Mac users who want quick, offline text-to-speech without cloud services.
- Pricing
- imgproxy:Freemium
- Sotto:Free
- Open source
- imgproxy:Yes, 11,098 GitHub stars
- Sotto:Yes, 7 GitHub stars
- Works with
- imgproxy:Docker, Linux packages, Amazon S3, MinIO, Cloudflare R2, Google Cloud Storage, Azure Blob Storage, Prometheus
- Sotto:macOS, Apple silicon
imgproxy features
- On-the-fly resizing & cropping. Resize, crop, fill and rotate images via URL parameters without pre-generating variants.
- Advanced optimization. Strip metadata, apply PNG quantization, advanced JPEG/WebP compression and SVG minification.
- Smart AI features. Smart crop, object detection, auto-quality by file size or SSIM, and best-format selection.
- Watermarking & filters. Add image or text watermarks, shadows, blurs, sharpening, color adjustments and gradients.
- Security controls. URL signing, request authorization, image-bomb protection and SVG sanitization.
- Extensive source support. Fetch images from HTTP(S), local files, S3, GCS, Azure Blob, MinIO, Cloudflare R2 and OpenStack Swift.
Sotto features
- Expressive voice. Uses the Kokoro model for more human-like speech on Apple silicon.
- Sub-second latency. Warm-up model on startup to deliver near-instant audio playback.
- Global shortcut. Read any highlighted text from any app with a single keyboard shortcut.
- Playback controls. Adjust speed, pause, skip sections, and add pronunciation rules on the fly.
- Local processing. All text and audio stay on the Mac; only the initial model download uses the network.
- Menu-bar access. Control playback and settings from a compact menu-bar interface.
imgproxy vs Sotto FAQ
Is imgproxy or Sotto free?+
imgproxy has a free plan and paid plans. Sotto is free.
Is imgproxy or Sotto open source?+
Yes, both are open source: imgproxy (imgproxy/imgproxy on GitHub, Apache-2.0 license) and Sotto (Shreysid/Sotto on GitHub, Apache-2.0 license).
Do imgproxy and Sotto integrate with the same tools?+
Their integration lists don't overlap: imgproxy lists Docker, Linux packages, Amazon S3, MinIO and 6 more; Sotto lists macOS and Apple silicon.
On DevHunt
Based on each tool's website and DevHunt data. Details may change; check the official sites.