UD5 Toolkit
CSV Data Filter & Query - Online Spreadsheet WHERE Clause
Load a CSV file and filter rows using basic expressions (e.g., age > 30). Supports AND/OR conditions. Export filtered result as CSV. All in browser.
Tag: Online Photo Filters - Classic & Creative
17+ toolsLive Page Color Blindness Check – Online Enter URL
Enter a website URL and apply a protanopia/deuteranopia/tritanopia filter. Test full page accessibility.
Median Filter Denoiser – Online Remove Salt & Pepper Noise
Apply a simple median filter to remove speckle noise. Adjust kernel size. Fully local canvas processing.
Web Audio Filter Chain - Online Biquad & Convolver
Apply lowpass, highpass, and reverb to an audio source. See frequency response. Create your own guitar pedal. All local.
JSON Query Playground - Online jq‑style Filtering
Paste a JSON array and filter/transform it using a simple path expression. Extract nested values without code. Local.
CSV Row Filter & Query - Online WHERE Clause
Paste a CSV and write a simple expression to filter rows (e.g., age > 30). See the filtered table and export. Client‑side.
CSS drop‑shadow() Filter Generator - Online Box vs Text Shadow
Apply the drop‑shadow() filter and compare it with box‑shadow. See how it follows the contour of transparent images. Copy code.
Posterize Image - Online Reduce Color Levels
Reduce the number of colors in your photo to create a bold, pop‑art poster effect. Adjust levels and download.
Image Saturation Adjuster - Online Color Pop Editor
Increase or decrease the color saturation of your photo with a slider. Preview instantly. Download the edited image. Canvas‑based.
Web Worker Image Filter - Online Heavy Processing Demo
Apply a convolution filter (blur, sharpen) using a Web Worker. See the UI stay responsive while processing. Learn multithreading in the browser.
Emoji Extractor from Text - Online Pull Out Only Emojis
Paste a mixed text and get a list of only the emojis found within. Counts each unique emoji. Data cleanliness tool.
Photo to Oil Painting Effect - Online Canvas Filter
Apply a realistic oil painting texture to your photo. Adjust brush size and roughness. Brush stroke simulation.
Image to Color Squares - Online Abstract Block Art
Reduce an image to large colored squares. Create bold, minimalist wall art. Adjust block size. Download PNG.
Gradient Map Filter - Online Apply Creative Gradients to Photos
Upload a photo and remap its tones to any gradient. Apply stunning color grading. Download result.
CSV Column Filter - Online Keep or Remove Columns
Paste CSV data and pick which columns to keep or drop. Rearrange column order by dragging. Download the new file. All local.
Image Negative Filter - Online Invert Colors Photo
Apply a true negative color effect to your image. Simulate a film negative or invert scanned documents. Instant canvas transformation.
Photo Vintage Effect - Online Sepia & Retro Filter Tool
Apply vintage and sepia effects to your photos. Adjust grain, vignette, and tone curves. Download filtered image. Local canvas manipulation.