Changelog

Content Safety

• Added automated NSFW content detection at upload time to help keep the platform safe for all users
• Uploads flagged by the detection model are rejected before processing begins

Privacy & Trust

• Expanded our Privacy Policy with a clear breakdown of cookies, third-party advertising, and data retention for uploaded images (24-hour automatic deletion)
• Updated our Cookie Policy to explain how advertising partners use cookies and how to opt out
• Added About and Contact pages to the site footer for easier access to company and support information
• Rewrote the About page with real information about who we are and how our AI upscaling works, replacing outdated placeholder text

Site Improvements

• Removed the outdated waitlist page now that ImgUpscaler.online is fully launched and generally available

Pricing Change

• HD Fast is now completely free — it no longer consumes credits, so anyone can upscale images at this tier at no cost, with no account limits beyond fair use
• Updated the quality selector and cost displays across the app to clearly show "Free" for HD Fast instead of a credit cost

Security

• Closed server-side vulnerabilities in the credit consumption and AI processing flow that could allow credit amounts or job parameters to be manipulated from the client
• Updated credit consume/refund logic so free-tier (HD Fast) jobs are correctly excluded from credit accounting, preventing incorrect balance changes

Bug Fixes

• Fixed a regression where the credit cost display briefly reverted to showing a charge for HD Fast mode
• Corrected refund handling so failed HD Fast jobs no longer attempt to refund credits that were never charged

Pricing & Credits

• Introduced Starter and Business subscription plans alongside Pro, with clearer credit allowances per tier
• Added standalone credit packages for users who prefer one-time purchases over a subscription
• Reduced credit pack validity from 365 to 30 days to keep pricing predictable and in line with our subscription plans
• Added a yearly discount badge to the pricing table

Performance

• Added blur placeholders and eager loading for before/after comparison images to reduce layout shift
• Delayed non-critical analytics scripts by 2 seconds to cut total blocking time on first load
• Enabled critical CSS inlining and a modern browserslist target to reduce render-blocking JavaScript
• Added cache headers for static assets to speed up repeat visits

Authentication & Search

• Added Google sign-in with dedicated authentication routes
• Fixed canonical URL and hreflang handling to resolve duplicate-content issues between the English and Chinese versions of the site
• Corrected structured data (Product schema) issues flagged by Google Search Console

Bug Fixes

• Fixed touch-interaction bugs on the quality selector and before/after slider on mobile
• Resolved image flickering during transitions in the comparison carousel

Core Features

We launched ImgUpscaler.online with a focused set of tools for turning low-resolution photos into sharp, high-quality images:

• AI Image Upscaling: Upload a photo and enhance it with our AI models, powered by Replicate
• Three Quality Tiers: HD Fast, 4K Pro, and Ultra Mode, so you can trade off speed vs. maximum detail depending on the job
• Before/After Comparison: A drag slider to compare the original and upscaled result side by side
• Credit System: New accounts receive free credits to try the tool, with subscription and one-time credit packs for heavier use
• Refund Handling: Failed or low-quality processing jobs automatically refund the credits they consumed

Payments

• Integrated Stripe for subscriptions and one-time credit pack purchases
• Added WeChat Pay as a payment option for credit purchases

Localization

• Shipped with full English and Chinese translations across the product, from onboarding to pricing

Bug Fixes

• Fixed inconsistencies in the credit cost display across quality tiers
• Improved mobile touch handling on the before/after comparison slider
• Resolved image dropzone validation errors for unsupported file types