Free online tool for generating random HEX, RGB, and HSL colors instantly
Free TikTok banner splitter: turn one image into a swipe-through profile banner
Stage
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Founded
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Based in
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Pricing model
Free
Freemium
Pricing
Not given
Free: all standard layouts, seam checks, video banners, no watermark or account. Pro: $9.90 one-time (plus local tax), includes batch splitting up to 20 images, custom grids 1×1 to 5×5, custom tile sizes 200–4096 px, file naming templates, and no ads.
Key features
Instant random color generation with spacebar shortcut
HEX, RGB, and HSL color code display with 1-click copy
2 to 10 color harmonized palette generator with smart color locking
Export palettes to CSS Variables, SVG, PNG, and shareable URLs
WCAG 2.1 contrast checker with relative luminance calculation
Color of the Day inspiration
Local-first saved palettes storage with zero tracking
Browser sidepanel for inspecting colors and testing contrast
Color Eye Quiz mini-game to test designer skills
Splits images into 1×3, 2×3 or 3×3 TikTok tiles with exact 1080×1440 px output
Seam check and reassembled preview shows tiles re-joined to verify alignment before posting
No upload to servers; all processing happens in your browser
Downloads all tiles in one ZIP with standard sequential naming (tiktok-banner-1.png, -2, -3)
Works with HEIC photos directly from iPhone without conversion to JPG
Supports video banners: split a clip into 3, 6 or 9 MP4s with matching covers
Instagram 4:5 grid tiles for profile murals with same 3:4 layout logic
Full-screen 9:16 vertical layout option at 1080×1920 px
Pro: batch split up to 20 images into one ZIP with each as a folder
Pro: custom grids from 1×1 to 5×5 with any tile size 200–4096 px and file naming templates
What makes it different
0-latency generation with instant spacebar triggering
Exact conversions across HEX, RGB, HSL with automated WCAG 2.1 contrast metrics
Hyper-focused neutral UI allowing generated hues to take center stage
Free forever with no sign-up required
No watermark, no account, no login, nothing uploaded to servers
Reassembled preview shows the banner lined up before you post, catching misalignments
Exact pixel-perfect tiles every time with seam and safe-zone warnings for text and faces
Sequential file numbering and posting order diagram prevent mirrored or misaligned banners
BannerSplitter