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Bigjpg
Bigjpg · Guangzhou, Guangdong, China
What it is
Bigjpg enlarges user-provided images using deep convolutional neural networks, with options for photos, anime images, illustrations, and other artwork. Users can choose enlargement from 2x to 16x and set noise reduction from None to Highest; the service says it can reduce compression artifacts and improve detail and sharpness. Batch processing is listed, as is API access for paid members, with endpoints for uploads, enlargement, result queries, and task retries. Applications are linked for Windows, Mac, iOS, and Android, and the service is also available on the web. The free plan allows 20 pictures per month, up to 5MB each, and enlargement up to 4x. Basic costs $6 a month, billed 2 Months as a one-time payment, and lists 500 pictures per month, 50MB uploads, and up to 16x enlargement. Bigjpg says uploaded images are used for requested enhancement and automatically deleted within 24 hours for free accounts or 72 hours for premium accounts. It says uploads are not used to train models without explicit, informed consent. Logged-out users must keep the browser open during processing or lose the enlarged image.
For and against
For
- Enlargement options range from 2x to 16x
- Supports photo and artwork styles
- Batch processing is listed
- Paid members can use the API
- Apps are linked for desktop and mobile
Against
- Free plan allows 20 pictures per month
- Free uploads are limited to 5MB
- Free enlargement is limited to 4x
- Logged-out users must keep the browser open
The verdict
Bigjpg provides adjustable AI image enlargement for photos and artwork, with a free tier and paid plans. Check upload limits and the browser requirement if processing without an account.
Who it suits
Bigjpg suits people who want to enlarge photos or artwork and adjust noise reduction. It also offers a paid API for users who need image-upload and enlargement endpoints.
Plans and prices
Free Plan
20 pictures/month · Slow speed · Shared server · 5MB max upload
Read 3 Oct 2026 · bigjpg.com
Basic
500 pictures/month · Top priority · High Performance server · 50MB max upload
Read 3 Oct 2026 · bigjpg.com
Standard
1000 pictures/month · Top priority · HighPerformance server · 50MB max upload
Read 3 Oct 2026 · bigjpg.com
Premium
2000 pictures/month · Top priority · HighPerformance server · 50MB max upload
Read 3 Oct 2026 · bigjpg.com
On the record
- API
- Paid members can use the API, which provides image upload, enlargement, result query, and task retry endpoints.bigjpg.com · read 3 Oct 2026
- API access
- Yesbigjpg.com · read 20 Sep 2026
- Applications
- The homepage links to Windows, Mac, iOS, and Android apps.bigjpg.com · read 3 Oct 2026
- Batch processing
- Yesbigjpg.com · read 20 Sep 2026
- Browser use
- Users who are not logged in must keep the browser open during processing or the enlarged image will be lost; logged-in users can close it because offline enlarging is supported.bigjpg.com · read 3 Oct 2026
- Desktop app
- Yesbigjpg.com · read 20 Sep 2026
- Image styles
- Bigjpg supports photo and artwork or illustration styles, and its homepage says anime images, illustrations, and regular photos are supported.bigjpg.com · read 3 Oct 2026
- Maximum scale
- custombigjpg.com · read 20 Sep 2026
- Model training
- Bigjpg says it does not use uploaded images to train or improve its models unless users give explicit, informed consent.bigjpg.com · read 3 Oct 2026
- Payment security
- Bigjpg says it does not directly store payment card information and uses PCI DSS-compliant third-party payment processors.bigjpg.com · read 3 Oct 2026
- Privacy
- Uploaded images are used to provide the requested enhancement, are not publicly displayed, and are automatically deleted within 24 hours for free accounts or 72 hours for premium accounts.bigjpg.com · read 3 Oct 2026
- Processing controls
- Users can choose enlargement from 2x to 16x and noise reduction from None to Highest.bigjpg.com · read 3 Oct 2026
- Purpose
- Bigjpg uses deep convolutional neural networks for single-image super-resolution to enhance user-provided images.bigjpg.com · read 3 Oct 2026
- Security
- Bigjpg says communications use TLS 1.2 or higher and stored data and backups are encrypted using industry-standard encryption.bigjpg.com · read 3 Oct 2026
- Support
- Bigjpg lists [email protected] for feedback, contact, and support.bigjpg.com · read 3 Oct 2026
- Upload limits
- The homepage FAQ lists free uploads up to 3000x3000 pixels and 5M, and paid uploads up to 50M; the pricing table lists a 5MB free-plan upload limit.bigjpg.com · read 3 Oct 2026
- Upscaling
- The service can upscale images up to 16x, reduce noise and compression artifacts, and enhance detail and sharpness.bigjpg.com · read 3 Oct 2026
- Upscaling method
- aibigjpg.com · read 20 Sep 2026
The review
Bigjpg is an AI upscaling service for photos, illustrations and anime images. It is best suited to people who need adjustable enlargement, batch work or API access. Its free plan handles occasional small jobs, while larger uploads and high-volume use require a paid plan.
Overview
Bigjpg enlarges user-provided images with deep convolutional neural networks, aiming to reduce noise and compression artifacts while bringing out detail and sharpness. It supports photo and artwork styles, with enlargement settings from 2× to 16× and noise reduction from None to Highest. That range is useful for tailoring cleanup to a source image, but the free plan’s 4× ceiling makes it a limited option for ambitious enlargements.
Key features
Batch processing and API
Bigjpg supports batch processing, but the free plan excludes both batch mode and parallel enlarging. Paid members can use the API for image uploads, enlargement, result queries and task retries. Those tools make the service a more practical fit for recurring workflows than for someone who only needs to enlarge an image once in a while.
Privacy and security
Uploaded images are used to provide the requested enhancement and are not publicly displayed. Bigjpg says it deletes them within 24 hours for free accounts and 72 hours for premium accounts, and does not use uploads to train or improve its models without explicit, informed consent. It says communications use TLS 1.2 or higher, stored data and backups are encrypted, and payment cards are handled by PCI DSS-compliant third-party processors rather than stored directly by Bigjpg. The longer deletion window for premium accounts is worth considering when choosing a plan for sensitive material.
Browser and platform support
Bigjpg is available on Android, iOS, macOS, Windows and the web, and provides API access. Users who are not logged in must keep the browser open while an image is processing or the result will be lost; logged-in users can close it because offline enlarging is supported. That distinction matters for long jobs, while the desktop and mobile apps give users options beyond the browser.
Pricing
The free plan costs nothing and allows 20 pictures per month, slow speed, shared-server processing, uploads up to 5MB and enlargement up to 4×. It includes offline enlarging but no parallel enlarging or batch mode. That is enough for light use, but the upload and scale caps quickly rule it out for larger source files or repeated batch jobs.
Basic costs $6 a month, billed 2 Months as a one-time payment. It includes 500 pictures per month, 50MB uploads and up to 16× enlargement. It is the lowest-cost paid option for users who need larger files or higher magnification, though its quota and two-month term are less suited to heavier ongoing use.
Standard costs $12 a month, billed 6 Months as a one-time payment. Its 1,000-picture monthly allowance, 50MB upload limit and 16× maximum make it a better fit for regular workloads than Basic, with a six-month term to account for.
Premium costs $22 a month, billed 12 Months as a one-time payment. It raises the allowance to 2,000 pictures per month while retaining 50MB uploads and 16× enlargement. This is the plan for sustained, higher-volume work; the year-long term makes it a poor fit for users who need occasional capacity. The listed plan terms are one-time payments, not monthly renewals.
Who it's for
Bigjpg suits artists and photo users who want control over scale and noise reduction, as well as teams or developers with recurring image jobs that can use paid batch processing or the API. The free tier is most appropriate for small, occasional uploads. Users who need high-volume work should compare the paid monthly quotas with their expected workload before committing to a longer plan term.
Pros and cons
- Pros: Scale and noise-reduction controls cover both modest cleanup and enlargement up to 16× on paid plans.
- Pros: Paid batch processing and API endpoints support repeat workflows rather than only one-off edits.
- Pros: Bigjpg states that uploads are not public and are not used for model training without explicit, informed consent.
- Cons: Free use is limited to 20 pictures a month, 5MB uploads and 4× enlargement, with no batch or parallel processing.
- Cons: Basic, Standard and Premium are paid in one-time blocks of two, six and twelve months respectively, limiting flexibility for short-term needs.
- Cons: Logged-out users must keep the browser open during processing or lose the enlarged result.
Alternatives
For an alternative with a free 4× upscale allowance, GPU or CPU support, high-quality filters, batch upscaling and a 16× option, consider Adima Image Upscaler Pro, available on Android and Windows.
Upscal is another free-to-download option for iOS, macOS and Windows; its free plan includes core image and video enhancement, offline processing and no account requirement.
SuperImage offers a free queue of 25 images across Windows, macOS and Android, with a Pro option described as a lifetime license for unlimited queued images and an ad-free experience.
Imglarger is worth considering if a free trial and 100 monthly credits matter more than Bigjpg’s scale range: its free plan handles one image at a time, with a 1024px maximum input side and 2× scaling.
Clipdrop is a broader free image toolset, with an image upscaler capped at 2× and 20 uses per 24 hours alongside tools such as background removal and cleanup.
Cutout.Pro is another freemium option, with a subscription offering 80 credits per month for $5 a month.
NextGenUp is a free alternative available for Linux, macOS, self-hosted use, web and Windows.
LetsEnhance may suit API users who want a free allowance of 10 credits, with 24-megapixel and 50MB input limits and an 8-megapixel output limit.
Explore more options in Image Upscaling Software and AI Image Upscalers.
Verdict
Bigjpg is a strong fit for artists, photographers and developers who need adjustable AI enlargement and can make use of paid batch processing or API access. Its free plan is useful for small, occasional jobs, but the 4× cap, 5MB uploads and lack of batch mode are significant constraints. Look elsewhere if you need a flexible short-term paid option or want batch processing without upgrading.