Tools
Design & print tools
online.
Create Risograph artwork and download ready-made colour separations — halftones, gradients, separations. Plus tools for paper & print: sheet yield calculation, black-and-white halftones, LogoKit, GridPic. No login, no uploads to third-party servers; everything runs in your browser.
Riso Separation.
Separate an image into Risograph colour separations — preview the composite and export individual channels, ready to print.
Open tool →Catalogue
All tools
All free, all directly in your browser — no login and no uploads to third-party servers.
Sheet yield calculator
How many copies fit on a 70×100, 50×70 or custom sheet size? Live preview, bleed, gripper margin, grain direction check and an AI-generated imposition layout as SVG/PDF.
Open →Imposition layout
Understand imposition for section-sewn books: enter the format, page count, folding method and print run to get indicative sections, copies per sheet, sheet requirements and page positions.
Open →PDF proofreading
Have a PDF proofread in German or English: spelling, double spaces, awkward hyphenation, widows, orphans and typography. Suggestions are added as comments in the PDF.
Open →Enquiry analysis
Paste an informal customer enquiry — AI turns it into a brief covering format, page count, print run, paper, printing process and deadline, and lists outstanding questions.
Open →LogoKit
Upload a logo → a complete asset package: favicons, app icons, social media formats, .ico and an HTML snippet in a ZIP.
Open →Black-and-white halftones
Convert an image into a true black-and-white halftone: Bayer, Fatting, line screens, Floyd–Steinberg, newspaper screens — with mm and dpi settings.
Open →Halftone generator for Risograph printing
Create your own halftones: adjust screen ruling, dot size, wave, channels and Riso colours — export a still image as PNG or SVG.
Open →Gradient generator for Risograph printing
Linear, radial and conic gradients with any number of colour stops and noise to counter banding. Export as CSS, SVG and PNG.
Open →Mosaic generator
Generative shape mosaics made from rectangles, circles, rings and quarter circles — with Riso palettes, a reference image, grid lines and crosses. Export as PNG and SVG.
Open →GridPic
Upload a photo, split it into a grid and reassemble it — dither, halftone, ASCII, glitch. Export as PNG.
Open →Rasterlab
Turn images into colourful dot, heart, triangle or tile patterns. Export SVG / PNG / JSON.
Open →Colour converter
CMYK ↔ RGB ↔ HEX ↔ HSL. Exact RAL Classic values, approximate Pantone Solid Coated values.
Open →Halftone
Classic print halftones in black or CMYK, with screen angle and screen ruling.
Open →Moiré simulator
Overlay two screens on an image and freely adjust their angle and frequency.
Open →SVG optimiser
Reduce and clean up SVGs — locally in your browser, without uploading.
Open →Paper block thickness calculator
Paper weight × bulk × sheet count → paper block thickness in mm. Standard papers available as presets.
Open →Golden ratio
Calculate dimensions using Φ, with a rectangle preview and Fibonacci approximation.
Open →PDF-Preflight (light)
Check page size, bleed and file size — locally, without uploading.
Open →Favicon generator
Generate suitable favicons from an image or logo: PNGs, .ico and an HTML snippet.
Open →Business card scanner
Upload a photo of a business card → a ready-to-use vCard for Apple & Windows contacts.
Open →Photo style converter
Upload an image, choose a style — 3D, Ghibli, action figure, clay, watercolour, anime or pixel — and have AI render it anew.
Open →Web branding scanner
Enter a URL to extract a website’s colour palette, typefaces and Google Fonts.
Open →Unit converter
Convert mm, cm, inches, pt, picas, px and dpi — plus area, weight, volume and temperature.
Open →