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
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
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
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
Unstable Diffusion is an AI image generator that provides unrestricted and uncensored image generation from text prompts.
Freemium
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
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
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
A free, user-friendly, multilingual, and open-source AI image generator that utilizes Stable Diffusion.
Free
VanceAI Image Upscaler enlarges JPEG, PNG, and WebP files up to 40‑fold while preserving detail. It offers multiple AI models for texture and color fidelity, removes artifacts, supports batch processing, and includes background removal—ideal for e‑commerce and print restoration.
Free trial
- $4.95
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
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
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
This AI tool generates images and text using machine learning features and has built-in safety measures, with ongoing development and a Discord server for help and support.
Free
Stability AI has recently launched the Stable Animation SDK, a text-to-animation tool for developers that enables advanced stable diffusion models.
Usage based
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
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
Free AI Image Enhancer upscale images up to 25MP by a factor of four, improving resolution and detail. It features various enhancement modes, including face restoration, and supports batch processing while ensuring user data privacy.
Free
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
The tool offers AI-powered image upscaling using Sinkin or ESRGAN with customizable settings such as start images, prompts, dimensions, model options, and guidance. The service is payable with credits and takes 10-20 seconds per image generation.
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
AI Photo & Art Enhancer upsamples images up to 16×, adds fine detail, and applies noise‑reduction while keeping edges sharp. It converts drawings and pixel art into vector‑style graphics, enlarges text for OCR, and supports batch GPU‑accelerated processing.
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
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
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
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
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
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
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
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
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
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
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
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
AI‑powered image enhancer scales up to 1000%, restoring blurry or damaged photos, sharpening detail and color. It optimizes e‑commerce product shots and produces social media graphics, logos, icons, and illustrations with Canva compatibility.
Freemium
- $7.9/mo
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
AI Video Enhancement enlarges and improves video/images with no quality loss, scaling to 2K/4K/8K, noise‑reducing, colorizing black‑and‑white, interpolating up to 240fps for smooth slow‑motion. Supports MP4, MOV, MKV, AVI, JPG, PNG, BMP, GIF, WEBP; batch ZIP; desktop for Mac/Windows.
Paid
Story Diffusion is an AI tool for generating comic stories with consistent character portraits. Users can upload photos, choose from six storytelling styles, and create engaging comic content while ensuring data privacy through encryption.
Free trial
AIImageUpscale enlarges images to 16 K resolution with GAN technology, applying automatic color correction for sharper contrast and saturation. It offers batch processing and an integrated AI art generator, supporting designers, photographers, and content creators.
Free
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
BigJpg AI upsizes JPEG, PNG, GIF, BMP images from 2× to 16× while preserving edge sharpness and detail. It automatically sharpens textures, keeps fine lines and color gradients, and supports single or batch processing for printing, displays, and design work.
Paid
Flying Dog plugs Stable Diffusion, DALL‑E 2, and Automatic1111 into Photoshop, offering Text‑to‑Image, Image‑to‑Image, Inpainting, and Outpainting on layers. It runs on GPU‑accelerated local servers (≥6 GB NVIDIA) or cloud for macOS, replacing stock searches and Content‑Aware Fill with precise visua
Free
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
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
AI‑powered Image Enhancer Online upsizes and restores photos and videos to 4K/8K, applies style filters, face/background edits, and batch drag‑and‑drop processing. It serves hobbyists, photographers, designers, and marketers seeking quick, high‑quality image improvements.
Paid
- $6