Upscaling 
Stop Paying $40/Month When These Free Tools Do The Same Thing
Stop Paying $40/Month When These Free Tools Do The Same Thing
One-Line Flow: Blurry garbage in → crisp HD out → zero skills required.
Your photos look like they were taken on a calculator from 2003. Your anime is pixelated beyond recognition. Your old family pics have that cursed energy. But you’re not paying $40/month for some “AI enhancer” subscription when the same tech exists for free — you just didn’t know where to look.
This is the stuff Discord insiders hoard. Chinese devs who make incredible tools that never get translated. Telegram bots with 170k users that nobody talks about. One hotkey that makes your entire screen 4K in real-time.
The Cheat Codes
Pick your situation. Click the link. You’re done.
| What You Want | The Move | Link |
|---|---|---|
| Upscale while watching anything | Magpie (one hotkey) | github.com/Blinue/Magpie |
| Message a bot, get HD back | Telegram: @EnhanceX_Bot | t.me/EnhanceX_Bot |
| Browser, nothing installed | free.upscaler.video | free.upscaler.video |
| Old photos with destroyed faces | GFPGAN Space | huggingface.co/spaces/Xintao/GFPGAN |
| One click, zero account | Pixelcut | pixelcut.ai/image-upscaler |
| Batch 500 images overnight | Upscayl | upscayl.org |
| Anime specialist | Bigjpg | bigjpg.com |
Level 1: Brain Off Mode
You want results. You don’t want to learn anything. Respect.
💬 Telegram Bots — Send Photo, Get HD Back
You message a bot. It messages back with your enhanced photo. That’s the whole thing.
| Bot | Monthly Users | What It Does |
|---|---|---|
| @EnhanceX_Bot | 170k+ | AI enhance + face restoration |
| @EnhancerOPbot | Active | Remini-style magic |
The process:
- Open Telegram
- Search the bot name
- Send your trash photo
- Receive your not-trash photo
Nobody thinks to look for AI tools on Telegram. That’s why these have 170k users and you’ve never heard of them.
🌐 Browser Tools — Upload, Wait, Download
No signup. No watermark. No nonsense.
free.upscaler.video
- Runs 100% in your browser (nothing uploaded anywhere)
- Your photos never leave your device
- Does video too
- Built by a Columbia/MIT AI researcher who forgot about it and it grew to 30k users on its own
Pixelcut — pixelcut.ai/image-upscaler
- Up to 16K resolution (yes, sixteen thousand)
- “Creative Upscale” mode that actually adds artistic detail
- No account, no watermark
PhotoGrid — photogrid.app/image-upscaler
- 100% free forever
- Batch processing built-in
- Just works
The Specialists:
| Tool | Best For | Link |
|---|---|---|
| Bigjpg | Anime/illustrations, up to 16x | bigjpg.com |
| Waifu2x | OG anime upscaler, still excellent | waifu2x.net |
| ImgUpscaler | Batch processing, no watermark | imgupscaler.com |
| Clipdrop | Suite of tools (upscale + cleanup + relight) | clipdrop.co/image-upscaler |
| Upscale.media | Simple 4x with noise reduction | upscale.media |
Waifu2x Mirrors (same tech, different sites):
📱 Mobile Apps — Your Phone Is Enough
iOS:
- Upscale.media — Free 4x, clean interface
- Image Upscaler - AI Upscale — Free, 15MB app
- Nero Lens — Upscale + restore + colorize old photos
Android:
Same apps exist. Plus Telegram bots work perfectly on mobile.
Level 2: I’ll Download Something
Still easy. Just not browser-only anymore.
⚡ Magpie — The Ultimate Sleeper Hit
Press a hotkey. ANY window on your screen upscales in real-time. Games. Video players. Anything.
Why it’s hidden: Chinese developer, most English speakers have never heard of it.
Why it’s incredible: FSR, Anime4K, FSRCNNX all built in. One hotkey does everything.
Link: github.com/Blinue/Magpie
How to use:
- Download from releases
- Extract → Run
magpie.exe - Focus any window
- Press
Alt+F11 - That window is now upscaled. Live. In real-time.
What people use it for:
- Upscale anime while watching in any player
- Make old games crisp on modern monitors
- Visual novels at 4K
- Any app that looks blurry on high-res screens
The paid alternative (Lossless Scaling) costs $5 on Steam. Magpie is free and arguably better.
🏆 Upscayl — The People's Champion
35,000+ GitHub stars. One-click operation. Works on potato computers.
Link: upscayl.org
What it is: Cross-platform GUI for Real-ESRGAN (the good upscaling AI)
How to use:
- Drag image in
- Pick a model (or don’t, default is fine)
- Click “Upscayl”
- Done
Has batch mode. Has cloud option now. Still free. Still open source.
🎬 Video Upscaling Apps
Video2X — github.com/k4yt3x/video2x
- Complete rewrite in 2024 (v6.0)
- New GUI, cross-platform
- Anime4K, Real-ESRGAN, Real-CUGAN, RIFE
- Zero extra disk space during processing
Waifu2x Extension GUI — github.com/AaronFeng753/Waifu2x-Extension-GUI
- Windows only but insanely comprehensive
- Images, video, AND GIFs
- Every engine: Waifu2x, Real-ESRGAN, Real-CUGAN, Anime4K, SRMD, RealSR
- Frame interpolation too (RIFE/CAIN/DAIN)
- Works on Intel, AMD, and Nvidia
REAL Video Enhancer — github.com/TNTwise/REAL-Video-Enhancer
- Modern alternative to Flowframes
- TensorRT + NCNN support
QualityScaler — github.com/Djdefrag/QualityScaler
- Windows, DirectX12
- BSRGAN and Real-ESRGAN
enhancr — github.com/mafiosnik777/enhancr
- Electron-based, pretty interface
- TensorRT/NCNN
- Free version available
Level 3: Real-Time Playback Magic
Your 720p files look like 4K. While playing. No re-encoding.
🎬 Anime4K Shaders — The 5-Minute Setup Everyone Skips
GLSL shaders that upscale video during playback. Most people give up at the setup. Don’t be most people.
Link: github.com/bloc97/Anime4K
What it does: Real-time upscaling while you watch. 1080p anime → 4K on your screen. Live.
Quick setup (Windows + mpv):
- Install mpv player
- Download shaders from Anime4K releases
- Put them in
%appdata%/mpv/shaders/ - Copy config from their README into
mpv.conf - While watching:
Ctrl+1= Mode A (1080p source),Ctrl+2= Mode B (720p source),Ctrl+0= disable
Modes explained:
- Mode A: Optimized for 1080p anime
- Mode B: Optimized for 720p anime
- Mode C: Optimized for 480p anime
100 lines of code. Runs on mid-tier GPUs. Changes everything.
🚀 mpv-upscale-2x_animejanai — Even Better (Nvidia Only)
Pre-configured mpv with Real-ESRGAN models tuned specifically for anime.
Link: github.com/the-database/mpv-upscale-2x_animejanai
Requirements: Nvidia GPU, updated drivers
How:
- Download and extract
- Open
mpvnet.exe - First video creates TensorRT engine (wait for it)
Ctrl+Jshows upscaling stats
Has HD models, SD models, and they can be stacked.
🎛️ Other mpv Shaders Worth Knowing
| Shader | What It Does | Link |
|---|---|---|
| FSRCNNX | General content, very sharp | github.com/igv/FSRCNN-TensorFlow |
| ArtCNN | Anime-optimized, newer than Anime4K | Part of modern mpv configs |
| RAVU | Good balance of quality/speed | github.com/bjin/mpv-prescalers |
| NNEDI3 | Designed for anime, close to MadVR quality | Various implementations |
Deep config guide: kokomins.wordpress.com/2019/10/14/mpv-config-guide
Level 4: Hugging Face Spaces
Free GPU playgrounds running actual AI models. No signup. No limits.
Most people don’t know these exist. They’re demo pages for AI models that researchers put up. Free compute. Just upload and go.
👤 Face Restoration
| Space | What It Does | Link |
|---|---|---|
| GFPGAN (Official) | Restore blurry/damaged faces | huggingface.co/spaces/Xintao/GFPGAN |
| GFPGAN + Upscale | Combined face restore + image upscale | huggingface.co/spaces/nightfury/Image_Face_Upscale_Restoration-GFPGAN |
| CodeFormer | Better than GFPGAN for some faces | Available on Replicate |
GFPGAN is from Tencent. It’s what makes your grandparents’ blurry wedding photo look like it was taken yesterday.
🖼️ General Upscaling
| Space | Specialty | Link |
|---|---|---|
| Image Upscaling Playground | Multiple models to choose from | huggingface.co/spaces/bookbot/Image-Upscaling-Playground |
| Flux.1-dev Upscaler | Generative upscaling (adds detail) | huggingface.co/spaces/jasperai/Flux.1-dev-Controlnet-Upscaler |
| Tile Upscaler | HDR effect + upscale | huggingface.co/spaces/gokaygokay/Tile-Upscaler |
| ehristoforu’s Upscaler | Simple and fast | huggingface.co/spaces/ehristoforu/image-upscaler |
🎁 John6666's Curated Collection
One person collected 40+ upscaling spaces in one place. This is the cheat code.
Link: huggingface.co/collections/John6666/spaces-for-image-upscaler-upsampler-resizer
Updated November 2025. Includes stuff you won’t find anywhere else.
Level 5: Cloud GPU (Free Tier)
Run heavy AI on Google’s hardware. For free.
📓 Google Colab Notebooks
Google gives you free GPU time. People made notebooks that upscale video using it.
| Notebook | What It Does |
|---|---|
| Video2X Colab | Official Video2X on cloud |
| 4K Video Upscaler | github.com/yuvraj108c/4k-video-upscaler-colab |
| Real-ESRGAN Batch | github.com/GeeveGeorge/Real-ESRGAN-Video-Batch-Process |
| VapourSynth Colab | github.com/AlphaAtlas/VapourSynthColab |
Limitation: 12-hour sessions max. But that’s a lot of upscaling.
🎮 Replicate — Pro Models, Free Tier
Production AI models with a playground interface. Create account → get free credits → upload → run.
Collection: replicate.com/collections/super-resolution
| Model | Runs | Best For | Link |
|---|---|---|---|
| Real-ESRGAN | 83M+ | Everything | replicate.com/nightmareai/real-esrgan |
| GFPGAN | Millions | Face restoration | replicate.com/tencentarc/gfpgan |
| CodeFormer | Lots | Better faces | replicate.com/sczhou/codeformer |
| Crystal Upscaler | Growing | Portraits | replicate.com/philz1337x/crystal-upscaler |
| SwinIR | Solid | Fast, good quality | In their guides |
Pro tip: Chain them. GFPGAN first (fix faces) → Real-ESRGAN second (upscale everything).
Level 6: Power User Territory
Still approachable. Just more control.
🔗 chaiNNer — Node-Based But Worth Learning
Drag boxes. Connect wires. Batch process 1000 images with face correction + denoising + upscaling while you sleep.
Link: github.com/chaiNNer-org/chaiNNer
What it is: Visual workflow builder. Born as upscaling app, grew into full image processing pipeline.
Supports: PyTorch (Nvidia), NCNN (AMD), ONNX (everything)
Learning curve: 30 minutes to basic upscaling
Payoff: Automate literally anything
Resources:
- chainner.app/download
- Tutorial: debarghabhattacharjee.com/how-to-install-and-upscale-your-images-with-chainner
- Batch processing guide: civitai.com/articles/5275
Cross-platform. Windows, Mac, Linux.
🎨 Photopea + Dezgo — Free Photoshop With AI Built In
Photopea is free Photoshop in your browser. Add the Dezgo plugin and you get AI upscaling inside it.
Link: photopea.com
To add AI:
- Window → More → Plugins
- Search “Dezgo”
- Install
- Now you have AI upscale (powered by Real-ESRGAN) inside your editor
Level 7: Discord Bots
If you’re already on Discord anyway.
Discord Upscale Bots
| Bot | What It Does | Link |
|---|---|---|
| Pix Enhancer | AI upscaling + unlimited albums | top.gg/bot/1288142706861670421 |
| ESRGAN-Bot | Multiple models, community-run | github.com/joeyballentine/ESRGAN-Bot |
| Kim’s upscale-bot | Spandrel library, any model | github.com/Kim2091/upscale-bot |
Best server to join: GameUpscale — discord.gg/VR9SzTT
Working bots, active community, people who actually know what they’re doing.
The Knowledge Bases
Where the real ones learn.
🗃️ Model Databases
| Resource | What’s There | Link |
|---|---|---|
| OpenModelDB | 1000+ models with previews, categorized | openmodeldb.info |
| Upscale Wiki | Community encyclopedia + guides | upscale.wiki |
OpenModelDB has categories: anime, game textures, faces, pixel art, video. Each model has comparison screenshots.
💬 Communities
| Platform | What/Where |
|---|---|
| Upscale Wiki Discord | discord.gg/cpAUpDK |
| GameUpscale Discord | discord.gg/VR9SzTT |
| r/StableDiffusion | reddit.com/r/StableDiffusion |
| r/upscale | Dedicated upscaling sub |
| r/FreeAIUpscaling | Budget-focused |
The Discord servers are where the model trainers hang out.
Weird Stuff That Works
🔮 Hidden Gems Nobody Mentions
GGB.lol
- Multi-function: upscale, background remove, vectorize
- Hidden gem mentioned by Reddit insiders
- Free
Photopea + Dezgo Plugin
- Already covered but worth repeating
- Free Photoshop + AI upscaling in browser
Replicate’s “Try for Free” Collection
- replicate.com/collections/try-for-free
- Multiple free runs, no credit card
API4AI Demo
- demo.api4ai.cloud/image-upscale
- 4x upscaling, rate-limited but free
Quick-Start by Use Case
👴 Old Family Photos
- GFPGAN first (face restore) — huggingface.co/spaces/Xintao/GFPGAN
- Upscayl second (general upscale) — upscayl.org
Or use the combined space: huggingface.co/spaces/nightfury/Image_Face_Upscale_Restoration-GFPGAN
🎌 Anime Watching
Real-time (nothing changes on disk):
- Anime4K + mpv — github.com/bloc97/Anime4K
- Magpie — Works with any player — github.com/Blinue/Magpie
Permanent upscale:
- Video2X — github.com/k4yt3x/video2x
- Waifu2x Extension GUI — github.com/AaronFeng753/Waifu2x-Extension-GUI
📦 Batch Processing (Many Images)
Easy: Upscayl has batch mode — upscayl.org
Powerful: chaiNNer — github.com/chaiNNer-org/chaiNNer
Browser: ImgUpscaler does batch — imgupscaler.com
📱 Mobile Only
- Telegram @EnhanceX_Bot — t.me/EnhanceX_Bot
- Upscale.media app (iOS/Android)
- free.upscaler.video works on mobile browsers
🚫 No Install, No Account
- free.upscaler.video — Runs locally in browser
- Pixelcut — pixelcut.ai/image-upscaler
- PhotoGrid — photogrid.app/image-upscaler
All Links (Copy-Paste Ready)
🔗 Complete Link Collection
Telegram Bots
t.me/EnhanceX_Bot
t.me/EnhancerOPbot
Browser Tools
free.upscaler.video
pixelcut.ai/image-upscaler
photogrid.app/image-upscaler
bigjpg.com
waifu2x.net
waifu2x.org
waifu2x.pro
waifu2x.io
waifu2x.online
imgupscaler.com
clipdrop.co/image-upscaler
upscale.media
Hugging Face Spaces
huggingface.co/spaces/Xintao/GFPGAN
huggingface.co/spaces/nightfury/Image_Face_Upscale_Restoration-GFPGAN
huggingface.co/spaces/bookbot/Image-Upscaling-Playground
huggingface.co/spaces/jasperai/Flux.1-dev-Controlnet-Upscaler
huggingface.co/spaces/gokaygokay/Tile-Upscaler
huggingface.co/spaces/ehristoforu/image-upscaler
huggingface.co/collections/John6666/spaces-for-image-upscaler-upsampler-resizer
Desktop Apps
github.com/Blinue/Magpie
upscayl.org
github.com/chaiNNer-org/chaiNNer
github.com/k4yt3x/video2x
github.com/AaronFeng753/Waifu2x-Extension-GUI
github.com/TNTwise/REAL-Video-Enhancer
github.com/Djdefrag/QualityScaler
github.com/mafiosnik777/enhancr
Real-Time Playback
github.com/bloc97/Anime4K
github.com/the-database/mpv-upscale-2x_animejanai
Replicate
replicate.com/collections/super-resolution
replicate.com/nightmareai/real-esrgan
replicate.com/tencentarc/gfpgan
replicate.com/sczhou/codeformer
replicate.com/philz1337x/crystal-upscaler
replicate.com/collections/try-for-free
Colab Notebooks
github.com/yuvraj108c/4k-video-upscaler-colab
github.com/GeeveGeorge/Real-ESRGAN-Video-Batch-Process
github.com/AlphaAtlas/VapourSynthColab
Discord
discord.gg/VR9SzTT (GameUpscale)
discord.gg/cpAUpDK (Upscale Wiki)
top.gg/bot/1288142706861670421 (Pix Enhancer)
github.com/joeyballentine/ESRGAN-Bot
github.com/Kim2091/upscale-bot
Knowledge
openmodeldb.info
upscale.wiki
photopea.com
chainner.app
Why These Are Hidden
- Magpie — Chinese GitHub, English users miss it entirely
- Telegram bots — Nobody thinks “AI tools” when they think Telegram
- Hugging Face Spaces — Most people don’t know they exist
- Anime4K shaders — 5-minute setup scares everyone off
- chaiNNer — Node interface looks intimidating (it’s not)
- John6666’s collection — One person’s obsession, never promoted
The pattern: Best tools are open source. They’re hidden because nobody markets them. Discord insiders hoard the knowledge. Chinese devs make incredible stuff that never gets translated.
!