Fully Customizable Grids
Create perfect grids with custom rows, columns, line thickness, colors, and opacity. Control every detail to match your workflow and artistic style.
Everything you need to draw better.
Professional-grade grid tools, completely free. No signup, no watermarks, no limits.
82-Overlay Composition Catalogue
Eleven categories: basic drawing grids, artist guides (Loomis, Reilly, Asaro), composition (rule of thirds, golden ratio, golden spiral, diagonal), advanced composition, dynamic symmetry root rectangles, perspective (1/2/3/5-point, isometric, dimetric, trimetric, anamorphic), specialty, sacred geometry (Flower of Life through Platonic Solids), typography, design templates, and architecture grids with Modulor. Browse the full library →
100% Private & Secure
Your images never leave your device. All processing happens locally in your browser. No uploads, no servers, no tracking. Complete privacy guaranteed.
🛡️ Privacy First
Instant Grid Overlay
Upload your image and see grids applied instantly. Real-time preview makes adjustments fast and intuitive.
Scale & Enlarge Drawings
Easily enlarge or reduce your artwork using scaling ratios. Perfect for transferring small sketches to large canvases.
Smart Grid Labels
Add A1, B2, C3 coordinate labels to easily reference specific squares when transferring your drawing.
Export
High-resolution PNG export, share-by-URL, and JSON workspace export.
Built-in Image Adjustments
Convert to black & white, sepia, or adjust contrast and brightness. Prepare your reference photo perfectly before adding grids.
Custom Line Colors
Choose any grid line color to ensure visibility against your image. Perfect contrast every time.
Works Everywhere
Use on any device - desktop, tablet, Chromebook, or smartphone. Fully responsive interface.
No Watermarks
Clean exports with zero branding. Your art stays yours, completely professional.
Print Ready Output
High-resolution downloads perfect for printing at any size. Crystal-clear grid lines.
Free Forever, Unlimited Use
No signup required. No hidden fees. No usage limits. Process unlimited images completely free. Professional tools accessible to everyone.
No Credit Card Required
Diagonal Guides
Add optional diagonal lines for enhanced accuracy and dynamic composition analysis.
Remember Your Settings
Your preferred grid configuration is automatically saved for next time. Consistent workflow.
Recently Shipped & Coming Next
Full changelog at /product-updates/. Below are the headline items from the last six months and what's planned for Q3–Q4 2026.
Shipped
Catalogue + Knowledge Layer
May 2026 — v5.0The 82-overlay catalogue lands alongside the SEO library and public API.
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286 SEO Landing Pages
11 hubs, 78 overlay leaves, 12 educational pillars, 19 glossary entries, 8 competitor comparisons
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Public Overlay API
Full overlay catalogue as JSON at /api/overlays.json under CC BY 4.0
Shipped
Sacred Geometry, Typography & Architecture
April 2026 — v4.5Three full hubs land alongside per-overlay transform controls.
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19-overlay Sacred Geometry Hub
Flower of Life, Seed of Life, Metatron's Cube, Vesica Piscis, Sri Yantra, Tree of Life, Merkaba, hexagram, pentagram, and 10 more
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Typography & Web Design Hub
12-column web grid, baseline grid, 8pt spacing, modular, manuscript, hierarchical
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Architecture Grids + Modulor
Le Corbusier Modulor calculator, structural grid, tartan grid
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Per-Overlay Controls
Independent color, opacity, and line-width for every overlay in a stack
Shipped
Composition Pillars Complete
Jan – March 2026The eight-overlay composition foundation plus head-method alternatives and technical-drawing grids.
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All 8 Composition Overlays
Rule of thirds, golden ratio, golden spiral, golden triangle, diagonal method, center cross, rule of fifths, quadrant
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Loomis + Reilly Head Methods
Both construction systems available as overlays, with the Reilly arrived in March 2026
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Isometric, Dimetric, Trimetric
Technical-drawing projections with adjustable density
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Share-by-URL
Encode the current overlay state into the page link — paste it to a student and the workspace restores exactly
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Overlay Search
Type to filter 80+ overlays by name or category
In Progress
Collaboration & Drawing Layer
Q3 2026 — July–SeptemberLive multi-user sessions and a sketch-on-the-canvas annotation layer.
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Real-time Collaboration
Y.js + WebRTC peer-to-peer sessions for teacher + class. Workspace state syncs; reference images stay on-device
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Annotation / Drawing Layer
Sketch on top of the reference + overlay composite with pen, marker, eraser — stylus-pressure aware
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Custom Overlay Builder
Design and save your own overlay alongside the built-in 82
Planned
Video Reference & Voice
Q4 2026 — October–DecemberInput expansion — video, voice, and webcam reference.
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Video Reference Support
Load MP4/WebM/MOV alongside images. Scrub to a frame, apply overlays
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Voice Commands
Hands-free overlay switching via the Web Speech API — useful at the easel
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Webcam Reference
Live camera as composition source — opt-in, never recorded or transmitted
Have a Feature Request?
The roadmap is shaped by direct user feedback. Email the founder, open an issue, or join the newsletter to weigh in on what ships next.
Ready to Compose Better?
Open the tool — no signup, no upload, the full 82-overlay catalogue free in your browser.
Open the Tool →