UD5 Toolkit
Median Filter Denoiser – Online Remove Salt & Pepper Noise
Apply a simple median filter to remove speckle noise. Adjust kernel size. Fully local canvas processing.
Drop CSV File Here
or click to browse — supports large files up to 200MB
Bibliography Alphabetizer – Online Sort References by Author
Paste a list of references and sort them A‑Z by first author. Handles various formats.
Live Page Color Blindness Check – Online Enter URL
Enter a website URL and apply a protanopia/deuteranopia/tritanopia filter. Test full page accessibility.
SQL CREATE TABLE to CSV Header - Online Column Lister
Paste a SQL CREATE TABLE statement and extract just the column names as a CSV header row. For data migration.
Large CSV File Splitter - Online Break into Chunks
Split a large CSV into smaller files by row count. Preview each chunk. No upload; streamed locally.
CSV to Excel Converter - Online Save as XLSX
Convert CSV data to a real Excel spreadsheet with multiple sheets and simple formatting. Fully local.
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.
Text to Anki Flashcards - Online CSV Generator
Write Q&A in a simple format and export as a CSV file compatible with Anki. Perfect for rapid card creation. Local.
PDF Table Extractor - Online Copy Tables to CSV
Drop a PDF and automatically detect tables. Export them to CSV or copy to clipboard. Works locally using PDF.js.
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.
CSV to YAML Converter - Online Config File Generator
Paste CSV data and transform it into a well‑structured YAML array of objects. Choose key mapping. Perfect for devOps and data migration.
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.
CSV to iCalendar (ICS) Converter - Online Calendar Events
Map CSV columns to event fields and generate a valid .ics file. Import into Google Calendar, Outlook, or Apple Calendar. Local.
JSON List to CSV - Online Flat Array Converter
Convert a JSON array of strings or numbers into a single‑column CSV. Quick data dump. Local.
Text to Anki CSV - Online Flashcard Converter
Format a list of Q&A pairs and export as a CSV ready for Anki import. Simple line‑based template. Local.
Bulk Text Line Sorter - Online A‑Z & Z‑A
Sort hundreds of lines alphabetically, reverse alphabetically, or by length. Deduplicate option. All local.
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.
SQL INSERT from CSV - Online Data to Statement
Paste CSV and get a list of SQL INSERT statements. Define table name and column mapping. All local conversion.
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.
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.
CSV to SQL INSERT Converter - Online Generate Statements
Convert comma‑separated data into a series of SQL INSERT statements. Define the table name and column order. Local.
SQL INSERT to CSV Converter - Online Data Export
Paste SQL INSERT statements and extract the data into a clean CSV table. Works with multiple rows. Local parser.
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.
CSV to HTML Table - Online Generate Responsive Code
Paste CSV and get a beautiful HTML table with sortable headers (optional). Copy the full HTML/CSS snippet. 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.
CSV to Wiki Table Converter - Online MediaWiki Markup
Paste CSV data and instantly get a formatted MediaWiki table code. Ideal for Wikipedia editors and internal wikis.
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.
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.
CSV Viewer & Editor - Online Spreadsheet Tool
View and edit CSV data in a familiar table interface. Add/delete rows and columns, sort, and export. Fully local, no cloud sync.
Line Sorter - Online Sort Text Lines Alphabetically
Sort lines of text alphabetically, numerically, or by length. Reverse order supported. Perfect for organizing lists and data sets with complete privacy.