A free and open source math plotter, easy to pick up
Free TikTok banner splitter: turn one image into a swipe-through profile banner
Stage
Established
Not given
Founded
2011
Not given
Based in
Not given
Not given
Pricing model
Open source
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
Natural function notation like f(x) = 2 + cos(x)
Sequences from recurrence relations
Parametric equations with custom intervals
CSV data import and spreadsheet editing
Animated constants and variable families
Vector and image exports (SVG, PDF, PNG, JPEG, BMP, PPM)
Grid customization with π multiples for ticks
Interactive navigation with drag and zoom
Multi-language support in 9 languages
Built-in manual and automatic work saving
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
Draws mathematical objects exactly as written on paper with natural notation
Handle CSV files of several million cells
Objects can build on each other in expressions
Exports with exact size in real centimeters
Fully free and open source under GNU AGPL license
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
ZeGrapher
BannerSplitter