Bigjpg - AI Super-Resolution lossless image enlarging / upscaling tool using Deep Convolutional Neural Networks

AI Image Enlarger

Sharper lines and details · Cleaner images with less noise · Made for artwork and photos · Enlarge images up to 16×

[[ vm.taskMask(task) ]]

[[ task.width ]]x[[ task.height ]]px [[ vm.formatBytes(task.size) ]] [[ task.name ]]

Download [[ task.resultSize ? '(' + vm.formatBytes(task.resultSize) + ')' : '' ]]

Before After

See the difference

Bigjpg reconstructs lines, colors, and fine details instead of simply stretching pixels.

Sharper lines and details

Cleaner images with less noise

Made for artwork and photos

Enlarge images up to 16×

Username

[[ vm.username ]]

Active plans[[ vm.user.plan_count ]]

Current period quota—[[ vm.numberView(vm.user.total) ]] images

Available quota—[[ vm.numberView(vm.user.remain) ]] images

Plan details

[[ vm.orderGoods(plan.goods) ]][[ vm.planStatus(plan.status) ]]

[[ vm.numberView(plan.monthly_quota) ]] images / month · [[ plan.months ]] months

Validity [[ vm.planDate(plan.start_date) ]] – [[ vm.planDate(plan.end_date) ]]

Current period remaining [[ vm.numberView(plan.current_remain) ]] imagesQuota reset time [[ vm.planDateTime(plan.next_reset_time) ]]

Each plan has its own quota cycle. Times are shown in your local time zone.

Purchase history

No.	Product	Payment time	Creation time	Receipt
[[ $index + 1 ]]	[[ vm.orderGoods(order.goods) ]]	[[ order.pay_time ]]	[[ order.create_time ]]	Receipt

No purchase records

[[ item.config.file_name ]][[ item.config.file_width ]]x[[ item.config.file_height ]]px[[ vm.formatBytes(item.config.files_size) ]][[ item.scale ]], [[ item.noise ]], [[ item.style ]]

[[ item.time ]] · [[ item.statusText ]]

Download

Only enlarging records from the last day are shown.

POST

Image upload API

/api/img_upload

curl -X POST https://bigjpg.com/api/img_upload \
  -H 'X-API-KEY: YOUR_API_KEY' \
  -d 'filename=small.jpg' \
  -d 'filetype=image/jpeg'

# Use url from the response to upload the file to R2.
curl -X PUT --upload-file small.jpg \
  -H 'Content-Type: image/jpeg' \
  'UPLOAD_URL'

import requests

filename = 'small.jpg'
filetype = 'image/jpeg'
r = requests.post(
    url='https://bigjpg.com/api/img_upload',
    headers={'X-API-KEY': 'YOUR_API_KEY'},
    data={'filename': filename, 'filetype': filetype}
)
upload = r.json()

with open(filename, 'rb') as image:
    requests.put(
        url=upload['url'],
        data=image,
        headers={'Content-Type': filetype}
    )

print(upload['fileurl'])  # use as input in the enlarge API

Paid members can use the API
Call this endpoint with your API key to get a temporary R2 upload URL and the public image URL
Upload the file with PUT using the same Content-Type, then use fileurl as input in the enlarge API

POST

Enlarge API

/api/task/

curl -d '{"style": "art", "noise": "3", "x2": "1", "input": "YOUR_IMAGE_URL"}' \
  -H 'X-API-KEY: YOUR_API_KEY' \
  https://bigjpg.com/api/task/

import json
import requests

data = {
    'style': 'art',
    'noise': '3',
    'x2': '1',
    'file_name': 'small.jpg',
    'input': 'YOUR_IMAGE_URL'
}

r = requests.post(
    url='https://bigjpg.com/api/task/',
    headers={'X-API-KEY': 'YOUR_API_KEY'},
    data=json.dumps(data)
)
print(r.json())

JSON format
style can be 'art', 'photo' which means 'cartoon illustration', 'photo'
noise can be '-1', '0', '1', '2', '3' which means 'None', 'Low, 'Medium', 'High', 'Highest'
x2 can be '1', '2', '3', '4' which means 2x, 4x, 8x, 16x
input your enlarge image url

GET

Result Query API

/api/task/{task_ids}

curl https://bigjpg.com/api/task/tid1,tid2,tid3,tid100

import requests

r = requests.get(
    url='https://bigjpg.com/api/task/tid1,tid2,tid3,tid100'
)
print(r.json())

POST

Task retry API

/api/task/{task_ids}

curl -X POST https://bigjpg.com/api/task/tid1,tid2,tid3,tid100

import requests

r = requests.post(
    url='https://bigjpg.com/api/task/tid1,tid2,tid3,tid100'
)
print(r.json())

X-API-KEY:

AI Image Enlarger

See the difference

Scan QR to download bigjpg.com App

Demo images

[[ vm.pay.type === 'alipay' ? vm.text('alipayScan') : vm.text('scan') ]]

Enlarging historySettingAccount

Plan details

Purchase history

FAQ

How does bigjpg enlarge images?

Does bigjpg support API?

How does bigjpg compare to other tools?

What images are best enlarged?

What are the maximum limits on uploaded image?

How about the speed?

My enlarging failed! Why?

Should I keep my browser open after starting?

How do I view my enlargment history?

I want to enlarge more and bigger images. How can I do that?

Privacy policy?

What about copyright and user rights?

Slow download speed?

Pricing

Free Plan

Premium $22 USD

Standard $12 USD

Basic $6 USD

API

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