PixelRefiner
Clean up AI-generated pixel art into production-ready sprites. Removes anti-aliasing, detects grids, converts palettes, and optimizes transparency—all in your browser.
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Download Latest Version (.zip)- batch-processing.webp
- before-after-demo-en.webp
- before-after-demo.webp
- compare-view-en.webp
- compare-view.webp
- demo.ja.webp
- demo.webp
- dot-size-detection-comparison-en.png
- dot-size-detection-comparison.png
- generated-image-blur-zoom-en.png
- generated-image-blur-zoom.png
- grid-candidates-en.webp
- grid-candidates.webp
- itch-cover.png
- main-screen.webp
- palette-comparison-en.png
- palette-comparison.png
- pixel-refiner-demo.mp4
- README.md
- ci.yml
- publish-release.yml
- quality-report-main.yml
- quality-report.yml
- release-reminder.yml
- release.yml
- pull_request_template.md
- footer.html
- head.html
- header.html
- section-blur.html
- section-intro.html
- section-notes.html
- section-principles.html
- section-recipes.html
- section-troubleshooting.html
- footer.html
- head.html
- header.html
- input-panel.html
- modal-compare.html
- modal-eyedropper.html
- modal-palette.html
- modal-preset.html
- modal-result.html
- output-panel.html
- settings-advanced-bg-removal.html
- settings-advanced-color-reduction.html
- settings-advanced-grid-detection.html
- settings-advanced-outline.html
- settings-advanced-presets.html
- settings-advanced-processing.html
- settings-advanced-trimming.html
- settings-advanced.html
- settings-panel.html
- settings-quick.html
- recipe1-input-full.png
- recipe1-input-zoom.png
- recipe1-input.jpg
- recipe1-output.png
- recipe2-input-full.png
- recipe2-input.jpg
- recipe2-output.png
- recipe3-input-full.png
- recipe3-input.jpg
- recipe3-output.png
- recipe4-input-full.png
- recipe4-input-zoom.jpg
- recipe4-input.jpg
- recipe4-output-zoom.png
- recipe4-output.png
- recipe5-input-full.png
- recipe5-input.jpg
- recipe5-output.png
- favicon.ico
- folder.png
- logo_github.svg
- logo_x.svg
- ogp.png
- robots.txt
- site.webmanifest
- sitemap.xml
- check_architecture.py
- check_duplicates.py
- check_file_line_count.py
- check_file_line_count.test.ts
- check_ts_line_length.py
- check_ts_rules.py
- html-includes.test.ts
- html-includes.ts
- run_ci.py
- run_ci.test.ts
- select_previous_release_tag.py
- select_previous_release_tag.test.ts
- attributes.ts
- guide.ts
- index.ts
- options.ts
- presets.ts
- processing.ts
- settings.ts
- tooltips.ts
- ui.ts
- AGENTS.md
- CLAUDE.md
- define-messages.ts
- html-keys.ts
- i18n.test.ts
- index.ts
- language.ts
- messages.test.ts
- advanced-processing-controls.test.ts
- advanced-processing-controls.ts
- advanced-settings-fields.test.ts
- advanced-settings-fields.ts
- app-elements.ts
- app-state.ts
- app.ts
- batch-controller.ts
- batch-export.test.ts
- batch-export.ts
- batch-image-list.test.ts
- batch-image-list.ts
- batch-options.test.ts
- batch-options.ts
- batch-state.test.ts
- batch-state.ts
- candidate-chooser.test.ts
- candidate-chooser.ts
- compare-controls.ts
- compare-view.ts
- compare.ts
- display-settings.ts
- guide-controls.test.ts
- guide-controls.ts
- guide.css
- guide.ts
- io.ts
- latest-processing-state.test.ts
- latest-processing-state.ts
- loading-overlay.ts
- main.ts
- modal-controller.ts
- notifications.ts
- pending-processing.ts
- pending-queue.test.ts
- pending-queue.ts
- preset-controls.test.ts
- preset-controls.ts
- preset-routes.test.ts
- presets.test.ts
- presets.ts
- processing-analysis-display.test.ts
- processing-analysis-display.ts
- processing-controller.ts
- processing-warnings.test.ts
- processing-warnings.ts
- processor-worker.test.ts
- processor-worker.ts
- quality-report-link.test.ts
- quality-report-link.ts
- quick-settings-controls.test.ts
- quick-settings-controls.ts
- quick-settings.test.ts
- quick-settings.ts
- result-actions.ts
- result-viewer.test.ts
- result-viewer.ts
- runtime-config.ts
- select-options.test.ts
- session.test.ts
- session.ts
- settings-controls.ts
- settings-options.test.ts
- settings-options.ts
- settings-tabs.test.ts
- settings-tabs.ts
- style.css
- theme.test.ts
- theme.ts
- tooltip.ts
- boundary-contrast.test.ts
- boundary-contrast.ts
- boundary-evidence.ts
- grid-phase.ts
- harmonics.ts
- profiles.ts
- reconstruction.ts
- auto-grid-guard.test.ts
- auto-grid-guard.ts
- background-edge-cleanup.test.ts
- background-edge-cleanup.ts
- background-removal.ts
- background.test.ts
- background.ts
- batch.test.ts
- batch.ts
- candidate-previews.test.ts
- candidate-previews.ts
- candidate-suggestion-decision.test.ts
- candidate-suggestion-decision.ts
- cell-sampler.test.ts
- cell-sampler.ts
- classifier.test.ts
- classifier.ts
- color-reduction.ts
- colorUtils.test.ts
- colorUtils.ts
- compare-images.ts
- components.test.ts
- components.ts
- converter.test.ts
- converter.ts
- detector.test.ts
- detector.ts
- dither-matrix.ts
- enclosed-background.ts
- final-output-adjustments.test.ts
- final-output-adjustments.ts
- floating.test.ts
- floodfill.test.ts
- floodfill.ts
- gemini-watermark-mapping.ts
- gemini-watermark-preprocessing.ts
- gemini-watermark.test.ts
- gemini-watermark.ts
- grid-candidates.ts
- grid-search.test.ts
- grid-search.ts
- image-operations.ts
- math.test.ts
- math.ts
- native-scale.test.ts
- native-scale.ts
- oklab-kmeans.ts
- ops.test.ts
- ops.ts
- outline.test.ts
- outline.ts
- palette-dithering.ts
- palette-quantizer.ts
- processing-analysis.test.ts
- processing-analysis.ts
- processing-geometry.ts
- processing-service.test.ts
- processing-service.ts
- processor-background.test.ts
- processor-background.ts
- processor-behavior-flags.test.ts
- processor-cell-scale.test.ts
- processor-convert-route.ts
- processor-grid-resolution.ts
- processor-modes.test.ts
- processor-options.test.ts
- processor-options.ts
- processor-routing.test.ts
- processor-simple-routes.ts
- processor-test-helpers.ts
- processor.test.ts
- processor.ts
- quantizer.test.ts
- quantizer.ts
- shared-palette.test.ts
- shared-palette.ts
- tone-ramp-mapping.test.ts
- tone-ramp-mapping.ts
- trimmed-grid-search.test.ts
- trimmed-grid-search.ts
- weighted-colors.ts
- worker.ts
- config.ts
- theme.test.ts
- theme.ts
- types.ts
- palette.test.ts
- palette.ts
- vite-env.d.ts
- auto_grid_detection-expect.png
- auto_grid_detection.png
- dithering_floyd_steinberg-expect.png
- dithering_floyd_steinberg.png
- high_resolution-expect.png
- high_resolution.png
- inner_background_removal-expect.png
- inner_background_removal.png
- keep_aspect_ratio-expect.png
- no_trimming-expect.png
- no_trimming.png
- palette_conversion_gb-expect.png
- palette_conversion_gb.png
- quality_alpha_blur.png
- quality_ambiguous_axis_grid-expect.png
- quality_ambiguous_axis_grid.png
- quality_anisotropic.png
- quality_bicubic_equivalent.png
- quality_bilinear.png
- quality_continuous_tone-convert-expect.png
- quality_continuous_tone.png
- quality_convert_illustration-expect.png
- quality_convert_illustration.png
- quality_crop_shift_1px.png
- quality_crop_shift_2px.png
- quality_crop_shift_3px.png
- quality_deterministic_quantization-expect.png
- quality_deterministic_quantization.png
- quality_gaussian_blur.png
- quality_nearest_16x.png
- quality_nearest_1_5x.png
- quality_nearest_2_5x.png
- quality_nearest_2x.png
- quality_nearest_32x.png
- quality_nearest_3_2x.png
- quality_nearest_3x.png
- quality_nearest_4x.png
- quality_nearest_8x.png
- quality_padding_black.png
- quality_padding_gradient.png
- quality_padding_solid.png
- quality_padding_white.png
- quality_prf110_anisotropic_noninteger.png
- quality_prf120_alpha_grid-expect.png
- quality_prf120_alpha_grid.png
- quality_prf120_diagonal_grid-expect.png
- quality_prf120_diagonal_grid.png
- quality_prf120_harmonic_grid-expect.png
- quality_prf120_harmonic_grid.png
- quality_prf130_cell_sampling-expect.png
- quality_prf130_cell_sampling.png
- quality_prf200_gradient_background-expect.png
- quality_prf200_gradient_background.png
- quality_prf210_isolated_noise-expect.png
- quality_prf210_isolated_noise.png
- quality_prf210_protected_details-expect.png
- quality_prf210_protected_details.png
- quality_prf210_uncertain_background-expect.png
- quality_prf210_uncertain_background.png
- quality_prf400_ambiguous_grid_scale-expect.png
- quality_prf400_ambiguous_grid_scale.png
- quality_prf400_soft_edged_sprite-expect.png
- quality_prf400_soft_edged_sprite.png
- quality_prf400_ui_low_confidence-expect.png
- quality_prf400_ui_low_confidence.png
- quality_prf420_shared_palette_companion.png
- quality_prf420_shared_palette_target-expect.png
- quality_prf420_shared_palette_target.png
- quality_reference.png
- quality_rgb_noise.png
- quality_transparent_rgb_expected.png
- quality_transparent_rgb_padding.png
- resize_and_remove_bg-expect.png
- resize_and_remove_bg.png
- resize_with_trimming-expect.png
- resize_with_trimming.png
- tall_red-expect.png
- tall_red.png
- wide_red-expect.png
- wide_red.png
- auto-auto-grid-detection.png
- auto-high-resolution.png
- auto-inner-background-removal.png
- auto-no-trimming.png
- auto-quality-prf400-ambiguous-grid-scale.png
- auto-quality-prf400-soft-edged-sprite.png
- auto-resize-and-remove-bg.png
- auto-resize-with-trimming.png
- convert-continuous-tone-balanced.png
- convert-deterministic-auto-palette.png
- convert-game-boy-pocket-palette.png
- convert-illustration-detailed.png
- convert-monochrome-floyd-steinberg.png
- discover-anisotropic-noninteger-grid.png
- guide-recipe1-knight-sprite.png
- guide-recipe2-potion-icon.png
- guide-recipe3-dragon-sprite.png
- guide-recipe4-landscape.png
- guide-recipe5-chibi-character.png
- pad-tall-image-to-square.png
- pad-wide-image-to-square.png
- prefer-base-grid-over-doubled-period.png
- preserve-native-pixel-art.png
- remove-background-auto-grid-keep-aspect.png
- remove-background-preserve-canvas.png
- remove-background-trim-auto-grid.png
- remove-background-trim-resize-46x13.png
- remove-black-padding-to-8x8.png
- remove-gradient-background-with-border-model.png
- remove-gradient-padding-to-8x8.png
- remove-inner-background-auto-grid.png
- remove-isolated-small-noise.png
- remove-solid-padding-to-8x8.png
- remove-white-padding-to-8x8.png
- restore-alpha-edge-blur-to-8x8.png
- restore-alpha-only-grid-to-8x8.png
- restore-anisotropic-scale-to-8x8.png
- restore-bicubic-to-8x8.png
- restore-bilinear-to-8x8.png
- restore-blocky-sprite-to-20x18.png
- restore-crop-shifts-to-8x8.png
- restore-diagonal-grid-to-8x8.png
- restore-gaussian-blur-to-8x8.png
- restore-high-resolution-pixel-grid.png
- restore-nearest-1-5x-to-8x8.png
- restore-nearest-16x-to-8x8.png
- restore-nearest-2-5x-to-8x8.png
- restore-nearest-2x-to-8x8.png
- restore-nearest-3-2x-to-8x8.png
- restore-nearest-32x-to-8x8.png
- restore-nearest-3x-to-8x8.png
- restore-nearest-4x-to-8x8.png
- restore-nearest-8x-to-8x8.png
- restore-rgb-noise-to-8x8.png
- restore-soft-edged-sprite-to-34x47.png
- restore-thin-features-and-alpha-coverage.png
- restore-transparent-rgb-padding-to-8x8.png
- retain-protected-small-details.png
- share-balanced-palette-across-batch.png
- show-ui-default-candidates.png
- skip-small-removal-on-uncertain-background.png
- trim-auto-grid.png
- withhold-ambiguous-axis-grid.png
- partial.test.ts
- partial.ts
- AGENTS.md
- aggregate.ts
- auto-diagnostics.ts
- case-description.ts
- CLAUDE.md
- client-script.ts
- client.test.ts
- client.ts
- format.ts
- images.ts
- metric-reference.ts
- partial.ts
- previous-run.ts
- render.test.ts
- render.ts
- report-kind.test.ts
- report-kind.ts
- sidebar.ts
- styles.test.ts
- styles.ts
- target-section.ts
- translations.test.ts
- translations.ts
- shard-01.test.ts
- shard-02.test.ts
- shard-03.test.ts
- shard-04.test.ts
- shard-05.test.ts
- shard-06.test.ts
- shard-07.test.ts
- shard-08.test.ts
- shard-09.test.ts
- shard-10.test.ts
- auto-auto-grid-detection.png
- auto-high-resolution.png
- auto-inner-background-removal.png
- auto-no-trimming.png
- auto-quality-prf400-ambiguous-grid-scale.png
- auto-quality-prf400-soft-edged-sprite.png
- auto-resize-and-remove-bg.png
- auto-resize-with-trimming.png
- partial.ts
- auto-case-exclusions.json
- auto-cases.ts
- auto-targets.json
- baseline.json
- baseline.test.ts
- baseline.ts
- benchmark.test.ts
- benchmark.ts
- cases.json
- cases.test.ts
- cell-sampling.test.ts
- comparison.test.ts
- comparison.ts
- degradations.ts
- gate.test.ts
- gate.ts
- generate-fixtures.test.ts
- guide-cases.test.ts
- image.ts
- manifest.test.ts
- manifest.ts
- metrics.test.ts
- metrics.ts
- quality-reporter.ts
- README.md
- report.test.ts
- shard.ts
- targets.test.ts
- targets.ts
- types.ts
- .gitignore
- AGENTS.md
- CLAUDE.md
- guide.html
- index.html
- knip.json
- LICENSE
- Makefile
- package.json
- pnpm-lock.yaml
- README.ja.md
- README.md
- README.zh-CN.md
- tsconfig.json
- vercel.json
- vite.config.ts
- vitest.config.ts
// repository documentation
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