Stable Diffusion Upscale
The best 50 Stable Diffusion Upscale AI tools - Free & Paid
Explore 50 AI for Stable Diffusion Upscale
Stable Diffusion Online lets users generate photo‑realistic images from text using the Stable Diffusion XL model. It offers fast GPU‑accelerated rendering, real‑time inpainting/outpainting, a 9‑million‑entry prompt database, and no prompt or image storage.
Free
Think Diffusion is an AI art tool that brings pro-level AI art capabilities to anyone with a browser in just a few clicks, providing top-tier models and ControlNet, and allowing for easy launch of additional virtual machines for simultaneous use.
Free trial
- $29.99/mo
Upscale.media is a browser-based AI upscaler that increases image and short-video resolution up to 2×/4×/8×, reconstructs detail, reduces noise/artifacts, and offers deblur, sharpen, colorisation, face restoration, batch processing and API access.
Freemium
- $0.02
Stable Diffusion 3 is a text‑to‑image model using Diffusion Transformer architecture, offering accurate multi‑subject rendering, high‑detail outputs, noise‑prediction sampling, safety filters, API and downloadable weights for scalable, local or integrated deployment.
Free
DiffusionBee runs locally on macOS and Intel‑based Macs, offering Stable Diffusion text‑to‑image, upscaling, variant creation, image‑to‑image, generative fill, video tools, an AI canvas for iterative editing, and custom model training—All on‑device for privacy.
Free
Provides API access to pretrained image generation models for text‑to‑image, image‑to‑image, and inpainting, with real‑time editing. Supports single‑call Dreambooth/LoRA training without local GPU, plus voice cloning, text‑to‑3D, interior design, and video creation.
Paid
- $27/mo
Unstable Diffusion is an AI image generator that provides unrestricted and uncensored image generation from text prompts.
Freemium
SDXL Turbo is a text‑to‑image model using Adversarial Diffusion Distillation for single‑step, high‑quality 512×512 outputs in under a second on modern GPUs. It supports multiple text encoders, is open‑source, and fits real‑time applications.
Freemium
- $5/mo
The Stable Diffusion AI Generator is an online platform with a 6 billion parameter dual model system and simplified prompting, allowing users to easily generate stunning visuals from text using Imagine AI art generator.
Freemium
Upscayl is an open‑source AI upscaler that boosts images up to 16× with minimal detail loss. It supports batch processing, multiple model styles, local cross‑platform execution, and cloud sync for convenient, private, high‑quality image enhancement.
Freemium
- $24.99
Happy Diffusion runs Stable Diffusion in the browser, enabling instant adult image creation with 50+ pre‑integrated models and unlimited Civitai models. It uses an NVIDIA A100 GPU, handles up to 7,000 images/hour, and erases data per session.
Free
A free, user-friendly, multilingual, and open-source AI image generator that utilizes Stable Diffusion.
Free
AI-driven image upscaler that enlarges photos to 7680 × 7680 px, supporting JPEG, PNG, WebP and up to 500 images per batch. It offers an API for sharpening, noise reduction, and a Mac app with background removal, photographers, designers, marketers, and social media managers.
Subscription
- $19.99/mo
Illusion Diffusion converts uploaded photos into optical‑illusion artwork using Stable Diffusion and ControlNet. Users set prompts and Illusion Strength, adjust advanced controls, and select patterns to produce high‑quality, shareable visual transformations quickly.
Paid
Upscayl.app is an AI image upscaler that uses deep learning to increase photo resolution up to 8K. It enhances details, reduces noise, and offers batch processing to restore old photos and prepare images for print or digital use.
Freemium
- $4.9/mo
UpscaleImage.AI quickly produces realistic user‑generated content videos and cleans up photos. It offers 8× image upscaling, clarity restoration, old photo repair, and precise automated background removal. Users choose from 20+ scenes, customize actors, and generate unlimited video variations.
Free
Browser‑based AI upscaler uses WebGPU and open‑source algorithms like Anime4K and RealESRGAN to enlarge video and image resolution. It processes each frame client‑side, preserving privacy, with drag‑and‑drop, side‑by‑side comparison, and selectable output sizes.
Free
Imgupscaler is an AI tool for enhancing image quality by upscaling images to 4K resolution. It supports multiple formats and restores details while reducing noise, making it suitable for e-commerce, social media, and graphic design.
Freemium
Upscalepics lifts image resolution up to 8× with one click via a machine‑learning model, supporting JPG, PNG, and WebP files up to 4000 px. It offers custom dimensions, bulk uploads, and outputs up to 256 MP for print‑ready quality.
Freemium
- $3.3/mo
Upsampler enhances and upscales images up to 100 megapixels, improving textures and adding details. Its generative fill feature allows users to modify specific sections, making it valuable for designers, photographers, and game developers seeking increased realism.
Freemium
Finetuned Diffusion is a pre-trained model for text generation tasks on Hugging Face's Space platform. It can be used in Colab without waiting in a queue.
Free
Scribble Diffusion AI transforms hand‑drawn sketches into polished images with one click, allowing browser drawing or file upload. It offers prompt‑based style variations, quick refinement, and export in common formats for seamless pipeline integration.
Freemium
- $9/mo
Stability AI supplies generative models for image, video, audio, and 3D creation. Dream Studio offers editing tools. Users may self‑host, use APIs, or cloud deploy, enabling compliant production of branded visuals, immersive environments, and music for marketers and game developers.
Free
Fashion Diffusion AI is an all-in-one generative AI platform for fashion design, providing tools for concept generation, virtual try-on, and asset creation. It streamlines the entire design-to-market workflow, enabling rapid prototyping, fit evaluation, and production of marketing visuals.
Free trial
- $12/mo
Inception Labs' diffusion-based large language models (dLLMs) offer faster, more efficient, and cost-effective text generation than traditional autoregressive models. With built-in error correction, multimodal support, and structured output control, they excel in function calling and complex data ge
Freemium
ImgUpscaler enlarges JPG, PNG, WebP images up to 400 % using super‑resolution, producing 16k × 16k outputs with minimal detail loss. Batch up to 5 images, offers basic editing, deletes uploads after 24 h, free commercial use.
Free
Pixop is an AI‑powered video enhancer that upsamples HD SDR content to UHD HDR without added infrastructure. It offers real‑time live conversion, REST‑API driven archival upscaling, and a browser studio for deinterlacing, denoising, and upscaling.
Freemium
- $6.38
Scale offers a user-friendly platform for creating customizable product mockups for items like apparel and mugs. It supports bulk generation and integrates with e-commerce tools, enhancing efficiency for sellers in their mockup workflows.
Free trial
AIUpscaler.ai is a browser-based AI tool that instantly enhances photos and videos to HD or 4K resolution with one click. It upscales, sharpens, and restores detail directly in your browser while preserving colors and ensuring privacy.
Freemium
QR Diffusion blends Stable Diffusion and ControlNet to create customizable QR codes with artistic imagery. Users can edit codes, embed long URLs, track scan analytics, and overlay designs via an insert feature for brand‑consistent graphics.
Subscription
- $11/mo
Image Pipeline delivers AI image creation and editing using Stable Diffusion, Flux, and custom checkpoints. It supports LoRA, embeddings, adapters, ControlNet for inpainting, and Face Lock/Quick Swap for facial editing, all via a REST API.
Paid
- $3
Seedream 5.0 is a latent-diffusion AI image generator that creates native 4096×4096 images in 2–3 seconds, supports up to 14 reference images for consistent multi-angle characters, preserves text and product details, and offers pixel-level controls for production-ready, watermark-free outputs.
Free trial
Deep‑Image.ai offers photo upscaling, denoising, sharpening, color and lighting adjustments. It removes backgrounds, adds virtual staging, creates business headshots, and delivers batch product‑photo presets, inpainting, and high‑resolution generative upscaling up to 300 MP.
Freemium
Lupa Upscaler is an AI tool that transforms low-resolution, blurry images into crisp 4K quality. It enhances details, reduces noise, and is ideal for restoring old photos and optimizing digital visuals.
Freemium
- $4.9/mo
ImgUpscaler.online is an AI-powered tool that instantly upscales low-resolution images to HD, 4K, or Ultra quality, reducing blur while preserving detail. It offers batch processing and is designed for photographers, e-commerce, and real estate to enhance web and print visuals.
Free trial
- $2.5/mo
dopepics.io uses AI to upscale JPEG, PNG, and MP4 images to 8K resolution within seconds. It supports batch processing for photographers and designers, delivers high‑detail output, and deletes files after 48 hours for privacy.
Freemium
ComfyUI is a powerful and modular stable diffusion GUI with a graph/nodes interface that lets you design and execute advanced stable diffusion pipelines using a flowchart-based interface.
Free
videoupscale.net is a browser-based AI tool that upscales videos to 1080p, 2K, or 4K by enhancing each frame to reduce blur, artifacts, and noise. It supports common formats like MP4 and MOV, with specialized models for restoration, animation, and high-frame-rate exports.
Freemium
- $21.9/mo
UniFab AI enhances video and audio with AI: upscales to 16K 120fps, denoises, colorizes black‑and‑white, sharpens faces, converts formats, upmixes to surround sound, removes vocals, and supports batch GPU‑accelerated processing for creators and archivists.
Paid
Upload or drag a photo, then upscale it with one of six algorithms—Magic Kernel Sharp, Lanczos 3, Hermite, or AI‑based ESRGAN—entirely client‑side for privacy. Crop as needed and download in JPG, PNG, or WebP.
Free
Stable Video Diffusion Online converts still images and text prompts into 4‑second, watermark‑free video clips in 16:9, 9:16, or 1:1 aspect ratios. Fast, server‑based processing supports media, advertising, and education workflows, with open‑source code for customization.
Freemium
- $9/mo
ArtEdge AI upscales and enhances photos to 4K, reducing blur and noise while restoring faces, logos and old or raw images. Server-side processing handles JPG, PNG and WebP up to 50 MB with fast drag-and-drop uploads.
Freemium
UpscaleMy.Video enhances low-resolution and blurry videos using AI, supporting various formats like MP4 and MOV. Users can easily upload videos for fast cloud processing, making it ideal for content creators and professionals seeking improved video quality.
Free trial
- $4.99
Upland is an AI-powered cloud suite that centralizes marketing automation, enterprise search, knowledge management, document capture, and workflow automation, enabling campaign orchestration, contact-center AI search/CTI, RFP automation, document processing, and IT/supply-chain management.
Freemium
SUPIR restores images with diffusion models, letting users supply text prompts to guide detail, color, and clarity improvements for landscapes, portraits, animals, gaming graphics, cinematics, and vintage photos. Developers can access the model through GitHub or a live demo.
Freemium
Diffusely is an AI Photoshop plugin that generates, edits, fills, and upsamples images directly in Photoshop. Users provide text prompts to create high‑resolution images, modify existing ones, replace regions, or upscale to 4K within the interface.
Free trial
AnimateDiff transforms text prompts or static images into short video clips by generating key frames with Stable Diffusion and interpolating realistic motion. It supports ControlNet editing, works in AUTOMATIC1111 Web UI and Colab, and requires an 8 GB GPU.
Free
dreamlook.ai offers fast, online training and generation for Stable Diffusion 1.5 and SDXL, supporting 1,500 SDXL steps in ~10 min, LoRA extraction, Offset Noise, ControlNet pose control, and a GPU‑free API.
Freemium
- $15