UD5 Toolkit
Date/Time Format Sandbox - Online Intl.DateTimeFormat Tester
Experiment with JavaScript Intl.DateTimeFormat options. Choose locale, dateStyle, timeStyle, hour12 and see live output. Copy the code snippet for your project.
Tag: Text Formatter & Cleaner
15+ toolsImage Format Batch Converter - Online to PNG, WebP, JPEG, AVIF
Drop a folder of images and convert all to the same format at once. Choose quality and download as ZIP. Local only.
SQL Indenter - Online Just Prettify Your Queries
Format your SQL code with consistent indentation. Choose 2 or 4 spaces. No syntax validation, just neat output.
Intl API Explorer - Online Format Numbers, Dates, Lists
Explore all Intl APIs: NumberFormat, DateTimeFormat, RelativeTimeFormat, ListFormat. See outputs for any locale. Powerful i18n.
Markdown Footnote Generator - Online Add Auto‑numbered Notes
Write text with inline footnote markers and this tool will move the notes to the bottom and add proper Markdown links. Saves time.
Quartz Cron to Unix Cron Converter - Online Format Translator
Paste a Quartz cron expression (with seconds field) and translate it to standard Unix cron. For devops migrations.
International Phone Number Formatter - Online Validate & Normalize
Paste a phone number and format it according to the E.164 standard. Identify country and detect common typos. Local parser.
Text Double Spacer - Online Add Space Between Lines
Insert a blank line between each line of text. Perfect for blog drafts or scripts. One‑click converter. Local.
SD Card Formatter Types - Online File System Guide
Understand which file system to choose for your SD card based on capacity and device. A quick guide, no actual formatting.
Accessible Text Formatter - Online Dyslexia Friendly Layout
Apply dyslexia‑friendly fonts, spacing, and background to any text. Preview and copy the formatted version. Improve readability.
Telegram Bot Markdown/HTML Builder - Online Message Formatter
Compose messages with bold, italic, links, and code. See the raw HTML or Markdown for your Telegram bot API calls.
IBAN Structure Checker - Online Validate Format & Country
Check if an IBAN has the correct length and structure for its country. Early validation, no bank connection.
Text Format Cleaner - Online Strip Rich Text & Homogenize
Paste rich text and clean it to plain text. Normalize line endings and whitespace. Prepare for code or databases.
Text Alignment Tool - Online Left/Center/Right/Justify
Paste text and align it left, center, right, or fully justify by inserting spaces. Simple formatting helper. Pure browser.
Image Format MIME Checker - Online Identify True Type
Drop an image that might have wrong extension and see its real format (JPEG, PNG, WebP) based on header bytes.