Auto White Balance - Online Fix Color Casts
Automatically restore natural colors to a photo by removing color casts. Gray world algorithm. One‑click fix. Canvas.
UD5 Toolkit
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Automatically restore natural colors to a photo by removing color casts. Gray world algorithm. One‑click fix. Canvas.
Enter original and target color to compute the exact CSS hue‑rotate(deg) filter needed. For precise icon and image tinting.
Pick a base color and generate a 10‑step scale where each step meets a specific contrast ratio against white or black. Export as CSS custom properties.
Enter a text color and background color and instantly see if the combination passes WCAG AA and AAA ratio. Safe colors.
Paste a set of hex colors and simulate how they appear with common color vision deficiencies. Get contrast warnings.
Flip a coin with adjustable bias (e.g., 70% heads). Used for random decision-making when you want to gently influence outcomes. History & stats shown.
Create a 5‑star rating widget using only HTML and CSS. Customize colors and size. Copy the clean code.
See how a PWA can extend content into the title bar area on desktop. Customize the window controls overlay.
Paste a string of weather emojis and get a written weather forecast. Fun and educational emoji tool.
View the moon phase for any date in past or future. See full moon dates and eclipses for a given year.
Calculate the perceived brightness of an RGB color and determine if black or white text is more readable. Accessibility tool.
Paste HTML snippet and highlight interactive elements missing accessible labels. Quick a11y audit.
Build a 3D card flip effect and toggle backface‑visibility. See the hidden back face. Copy the complete CSS.
Convert .srt subtitles to .vtt format for web video players. Preserves all timestamps and formatting. Local.
Paste an SVG and check if the graphic‑aria roles are used correctly. Improve accessible diagrams and icons.
Paste a WebVTT file and instantly check for syntax errors. Validate timestamps and cue formatting. Essential for video devs.
Paste an HTML snippet and check for common ARIA mistakes: missing labels, invalid roles, and aria‑hidden misuse. Educate your team.
Convert plain text into HTML‑safe strings by escaping <, >, &, and quotes. Insert into code safely. Local copy.
Validate a language tag like en‑US or zh‑Hans against the IANA registry. Ensure correct HTML lang attribute.
Convert plain text lines into HTML ordered or unordered lists. Instantly copy the generated HTML to paste into your website. No hassle, fully browser-based.
Build a simple decision tree by adding yes/no nodes. Flowchart style. Export as text outline.
Enter an HTML snippet and see a rough transcription of what a screen reader might announce. Check alt texts.
Paste your manifest.json and instantly validate it against the W3C spec. Catch errors and warnings. Client‑side.
Search common dream symbols and their traditional meanings. For entertainment and self-reflection. Static data.
Instantly convert plain text into HTML‑safe escaped characters for secure display in web pages. Prevent cross‑site scripting. All processing local.
Paste any DNS record and check if its format is valid for the selected record type (A, AAAA, CNAME, MX, TXT, SRV). Prevents typos.
Generate a grand, aristocratic title like 'Duke of Waffleshire'. Perfect for silly fun or RPG characters. Local.
Set your birth date and see a live countdown with days, hours, minutes, and seconds. Shareable link. Pure frontend.
Create a fully accessible form by adding fields; the tool generates the proper labels, inputs, and ARIA attributes. Copy the clean HTML.
Create SEO‑friendly slugs that handle characters from any language. Removes accents, converts Cyrillic, Greek, etc. to Latin. Local.