About This Site
Free online tool to instantly invert image colors and create photo negatives. Image Inverter is a free online tool designed to invert image colors instantly. It allows users to convert black to white, create photo negatives, and reverse the color palette of any picture. The tool operates entirely within the browser, ensuring 100% privacy as images are not uploaded to a server. It supports various formats including PNG, JPG, and WebP, maintaining high quality and transparency without the need for registration or watermarks.
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CZGPT
AI subscription payment service — activate ChatGPT Plus, Claude Pro, Codex and more with Alipay or WeChat Pay in minutes.
CZGPT is a self-service subscription payment platform for activating premium AI subscriptions — including ChatGPT Plus, ChatGPT Pro, Codex, Claude Pro, Gemini, Grok, and Suno — using Alipay or WeChat Pay, with no international credit card required.
Many users cannot complete AI subscription payments because their cards are declined by international payment systems. CZGPT solves this: pay in RMB via Alipay or WeChat Pay, receive an activation key automatically within 1–2 minutes, and complete the upgrade yourself through a guided redemption flow. No account password is ever required, and each order activates an independent subscription on your own account.
Key capabilities:
- One platform covering all major AI subscriptions (OpenAI, Anthropic, Google, xAI, Suno)
- Alipay and WeChat Pay support with instant automated key delivery
- Self-service redemption — you keep full control of your account credentials
- Typical activation completed within 2–5 minutes
- Full refund if an activation cannot be completed
- Order lookup and human customer support
Use cases:
- Subscribing to ChatGPT Plus/Pro with Alipay or WeChat Pay instead of a foreign credit card
- Developers activating Codex or Claude Pro subscriptions for AI coding tools
- Teams activating multiple independent AI subscriptions, one per account
- Renewing AI subscriptions monthly with full spending control (no auto-charge)
CZGPT also maintains a free, continuously updated guide covering AI subscription methods, common payment errors, and troubleshooting.
Snapchat Story Viewer and Video Downloader
Anonymous viewer and downloader for public Snapchat stories and content
ViewSnapStories is an online Snapchat story viewer and downloader that lets users view public Snapchat stories, profiles, videos, and Spotlight content anonymously without logging in or installing the Snapchat app. Users can search for public accounts using a username or profile link, watch active stories privately, and download publicly available Snapchat content through dedicated tools.
Omni Flash - 2
Multimodal AI model explorer for low-latency workflows
Omni Flash AI is an interactive multimodal AI model explorer and workflow surface designed for teams evaluating low-latency text, audio, image, and video understanding and generation patterns. It allows teams to quickly prototype ideas, test different modalities, and understand model behavior in a unified surface before committing to a production integration. Currently, the interactive explorer connects an APIMART text model for prompt exploration, while broader media workflows (image, audio, video) remain demo and waitlist experiences.
Key Features AI
Core Features
Instant color inversion using RGB subtraction
Browser-based processing for maximum privacy
High-quality output with no resolution loss
Supports PNG, JPG, and WebP formats
Preserves transparency in PNG files
Advantages
Completely free with no hidden costs
No signup or account registration required
Fast processing (0.3s average time)
No watermarks on downloaded images
Works on all devices (mobile, tablet, desktop)
缺点：Currently lacks batch processing (one image at a time)
缺点：Maximum file size limit of 10MB per image
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