| What it does | Free online converter to turn photos to grayscale with multiple methods, brightness and contrast controls, and browser-based processing
| Free image resizer for Instagram, TikTok, YouTube and other platforms with no watermark and no upload
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| Stage | Not given
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| Founded | Not given
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| Based in | Not given
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| Pricing model | Free
| Freemium
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| Pricing | Not given
| Free: no account needed, all core resizing features, AI background removal, batches up to 10 photos and 80 files. Plus: $7.99/month or $59/year, adds Vectorize (SVG files), batches up to 200 photos and 800 files, 100 AI credits monthly for generative tools (product scenes, expand, edit with words, f
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| Key features | - Four grayscale conversion methods: Weighted, Average, Maximum, Minimum
- Adjustable brightness and contrast controls from -100 to +100
- Real-time preview of adjustments
- Support for JPG, PNG, and WebP formats
- Browser-based processing with no server upload
- Download as PNG to preserve transparency
- No watermarks or signup required
- Weighted method uses ITU-R BT.709 industry standard luminance
- Multiple related tools: Monochrome, Desaturate, Sepia, Vintage, and effects
| - 24 platform sizes from Instagram to YouTube plus custom dimensions
- Smart crop that keeps faces in frame
- Opens iPhone HEIC photos directly
- Saves JPG, PNG or WebP under maximum file size in KB
- Batch resize up to 10 photos and 80 files at once (200 and 800 on Plus)
- Free AI background removal and erase on device
- AI upscale ×4 for photos up to 512 pixels
- No watermark on any plan
- Works in browser, nothing uploaded to servers
- Integration with Claude and ChatGPT via MCP server
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| What makes it different | - Four different grayscale algorithms to choose the right output for your photo
- Privacy-first approach with all processing in browser and no image uploads
- Practical focus on specific workflows rather than generic one-click effects
- Educational guides explaining technical concepts and when to use each method
- Instant results without upload or download wait times
| - Free AI background removal included, not locked behind paid plan like competitors
- Batch process up to 10 photos and 80 files free in one zip
- Processes all photos in your browser with no uploads or servers involved
- Opens iPhone HEIC photos directly without conversion
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 43 ● no change since last check | Not checked yet ● no change since last check |
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| Trust Flow (Majestic) | 10 | 0 |
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| Citation Flow (Majestic) | 33 | 13 |
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| Referring domains (Majestic) | 109 | 2 |
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Grayscale Image
Six-IR