Image Upscaling

Upscayl

Top Rated

Upscayl • Windows, macOS, Linux, Web •10 reviews

Free and open-source AI image upscaler backed by Y-Combinator. Desktop app with fully local processing for maximum privacy — no uploads, no cloud dependency. Up to 16x upscaling with multiple AI models including anime and photo modes. Consensus best free option across 3 of 4 benchmark articles. Paid cloud tier available with credit system for users who want server-side processing.

Magnific

Freepik • Web •5 reviews

Creative AI image upscaler known for artistic reimagination and creative upscaling. Ranked

Topaz Gigapixel AI

Topaz Labs • Web, Windows, macOS, iOS •10 reviews

Industry-standard professional image upscaler with 9 AI models for different content types (Standard, High Fidelity, Low Res, Text & Shapes, Art & CG, Recover, Redefine, Face Recovery). Fully local processing with no uploads required. 8x upscaling with up to 32K output. Subscription from $29/month or included in Topaz Studio bundle. Most-discussed option in this tag's public reviews, ranked

Adobe Express

Web, iOS, Android •10 reviews

Adobe-powered background remover using Sensei AI for professional-grade cutouts with generative fill, pixel-level control, and HSL color matching. Best free offering among competitors — no signup required for basic use, full-resolution downloads, no watermarks. Strongest for users already in the Adobe ecosystem, though the web app is heavier than one-click alternatives and requires an Adobe account for saves.

Crystal Upscaler

Mindepy LLC • Web •5 reviews

Affordable specialist image upscaler starting at just $2/month with exceptional text rendering quality. Ranked

iLoveIMG

Web, Desktop •10 reviews

Free online image compressor and batch image processing tool with resize, crop, convert, and watermark features. Supports HEIC to JPG conversion and handles multiple formats in one platform for quick file size reduction.

LetsEnhance

LetsEnhance Ltd. • Web, API •10 reviews

Browser-based AI image upscaler with 7 specialized models (Prime, Strong, Ultra, Digital Art, Gentle, Old Photo, Colorize) for different content types. Up to 16x upscaling with 512MP output, batch processing up to 20 images, and API access via Claid.ai. Most reliable user-review dataset in this tag (4.7 average from 182 product-specific reviews). Credit-based pricing from $9/month.

Nero AI Image Upscaler

Nero AG • Web, Windows, macOS, iOS, Android •5 reviews

Batch image upscaler from German software company Nero AG, with 21M+ images processed. Available as web app, desktop app (Windows/macOS), and mobile apps (iOS/Android). Batch processing up to 30 images on Pro plan. Pro Pass at $8.83/month yearly. API available for business integration. Aggregate user rating of 4.7 but flagged as potentially inflated due to many short, generic reviews.

PhotoRoom

PhotoRoom SAS • Web, iOS, Android •10 reviews

AI-powered photo editing suite with background removal, shadows, and batch processing for e-commerce.

Waifu2x

Open Source Community • Web, Desktop •10 reviews

Open-source image upscaler originally designed for anime-style images but also works on photos. Completely free with no paid tier. Available as web app and desktop application. Uses convolutional neural networks for noise reduction and upscaling. Pre-dates modern AI upscalers — technology is dated compared to current AI-based alternatives. Niche following in Japanese and Asian markets.

Adobe Firefly Background Remover

Adobe Inc. • Web, iOS, Android •5 reviews

Adobe-powered background remover using Sensei AI for professional-grade cutouts with generative fill, pixel-level control, and HSL color matching. Best free offering among competitors — no signup required for basic use, full-resolution downloads, no watermarks. Strongest for users already in the Adobe ecosystem, though the web app is heavier than one-click alternatives and requires an Adobe account for saves.

Aiarty Image Enhancer

Digiarty Software • Windows, macOS •5 reviews

GPU-accelerated desktop image enhancer with up to 32K resolution output and 8x upscaling. Supports NVIDIA, Intel, and AMD GPUs for fast local processing. Also handles denoising, deblurring, and face restoration. Available as $75/year subscription or $99 lifetime license. Curious Refuge rates it 8.9/10.