By Team Edtoolkits · Image
See a screenshot, slide or poster with reduced sharpness and contrast at 20/40, 20/100 and 20/200, and find text that stops being readable.
Use the guide alongside the working tool.
Open Low Vision Simulator →Pick the exam and document
Add a screenshot, slide or poster, or try the sample.
Frame and clean up
Pick reduced sharpness, low contrast or both, and an eye-chart level from 20/40 to 20/200.
Create and check
Read the results for detail and contrast kept, and export a side-by-side comparison.
Privacy and limits
An approximation for design reviews based on blur and contrast loss, not a medical simulation. Real low vision varies widely. The image stays on your device.
Ready to apply this workflow?
Try Low Vision Simulator →Explore a related workflow
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Understand image transparency, resize modes, compression targets, and what to check before sharing converted pictures.
- SVG Converter: A Practical Guide
Convert cleaned SVG artwork to PNG, JPG or WebP at chosen dimensions, with transparency and quality controls.
- Image DPI & Print Size: A Practical Guide
Set real PNG print-density metadata or resample an image for a chosen physical print size.
- Perspective Correction Tool guide
Set four corners to straighten photographed artwork, signs and surfaces. Export corrected PNG or JPG pixels.
Keep your original files and review the result. Found unclear instructions? Contact Team Edtoolkits.