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Physical size first
The same raster file can be generous at 6 cm and under-sampled at 30 cm. Every geometry check is anchored to the final width you enter.
Free stencil print quality check
Upload the finished stencil, set its real size, and inspect measurable file-side risks before you use transfer paper. Thermal profiles add output-dot and threshold checks without pretending to simulate a specific printer.
Browser-local print check
No account. No AI. No upload to our servers.
Set the final physical size, choose the output path, and inspect measurable risks such as very fine thermal geometry, threshold-sensitive gray detail, dense dark regions, and page fit.
Physical size
cm / inches
Thermal grid
203 / 300 dpi
Result
No fake score
PNG, JPG, or WebP. The image is analysed locally in this browser and is not sent to an AI model.
Up to 20 MB · raster artwork only
Measured, not guessed
The checker separates physical facts from generic simulations. Source sampling, page fit, final dimensions, and nominal thermal dot pitch are measurable. Threshold previews are intentionally labeled approximate because the physical printer path adds variables the browser cannot observe.
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The same raster file can be generous at 6 cm and under-sampled at 30 cm. Every geometry check is anchored to the final width you enter.
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For 203 and 300 dpi profiles, very fine structures are translated into nominal output-dot width. The tool reports how fine they are, not whether the tattoo itself should use that line weight.
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Instead of flagging normal anti-aliasing, the checker looks for areas that materially change across multiple B/W thresholds and lets you inspect those regions directly.
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Large continuous dark masses are highlighted separately from ordinary linework so thermal users can compare those areas with the limitations of their own portable printer setup.
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The tool reports whether the chosen physical size fits one A4 or US Letter sheet. Multi-page PDF preparation stays in the dedicated Size & Print workflow.
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Optional calibration replaces a generic fine-detail warning with the thinnest line you have actually observed printing cleanly on your own printer, paper, and density setup.
Thermal preview
The useful question is not 'how many gray pixels are in my stencil?' Anti-aliasing is normal. The useful question is whether meaningful structure depends on gray values that disappear when monochrome conversion becomes stricter.
The Light, Standard, and Strong views are deliberately generic. They do not reproduce a Phomemo, MUNBYN, Brother, or other specific printer pipeline, and they do not know your density, heat, power, paper, maintenance, or transfer technique.
That limitation is part of the product design. The checker can safely show that a region is threshold-sensitive. It cannot safely promise the region will disappear on the physical stencil.
If you need a real baseline for your machine, print the tattoo stencil printer test sheet, then save the thinnest line that your current setup reproduces cleanly.
One print workflow
The checker is intentionally narrow. It connects the existing print tools instead of duplicating them.
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Use this page to inspect size-dependent geometry and generic print-path risks before committing transfer paper.
Run the checker02
Print known physical line, gap, counter, and dark-mass patterns once so later warnings can use your actual baseline.
Open Printer Test Sheet03
When the file is ready, use Size & Print for exact physical dimensions, paper layout, multi-page tiling, and the final 1:1 PDF.
Open Size & PrintFAQ
The tool is conservative by design: it reports what the browser can observe and labels what remains printer-dependent.
It checks measurable file-side conditions at the physical size you choose: source sampling, page fit, and, for thermal profiles, very fine geometry against the selected output-dot grid, threshold-sensitive gray detail, and large dense dark regions. It does not score tattooability or artistic quality.
No. The light, standard, and strong previews are generic black-and-white threshold views. Real output also depends on the printer model, density or heat setting, power state, transfer paper, maintenance, loading, and software. The tool labels the preview as approximate for that reason.
Those profiles let the checker translate physical feature width into the nominal dot pitch of the selected output grid. That makes statements such as 'roughly two output dots at this size' geometric rather than arbitrary. It still does not predict whether a specific printer will reproduce the feature cleanly.
Yes, but the tool deliberately avoids thermal-only claims in Inkjet mode. It keeps the general file, physical-size, source-sampling, crop, and page-fit checks instead of pretending an inkjet stencil system behaves like a thermal printhead.
If you print the StencilStudio printer test sheet and record the thinnest line your own setup reproduces cleanly, the checker can compare stencil geometry with that saved local baseline. The baseline stays in your browser and is specific to your printer, paper, density, and current setup.
The print checker processes PNG, JPG, and WebP artwork in your browser. The tool does not send the stencil to an AI model. Browser analytics can record tool events such as a completed check, but not the artwork pixels themselves.
A universal percentage would imply certainty the file cannot provide. Different printers, papers, density settings, stencil structures, and transfer workflows behave differently. The checker instead reports specific measurable findings and explains what each one does and does not mean.
Related tattoo tools
Calibrate the thermal output with a known test sheet, or move the approved stencil into exact-size A4, Letter, or tiled PDF preparation.
View all tattoo toolsBefore the next transfer