Geohash Encoder/Decoder - Online Lat/Lon to String
Encode latitude/longitude into a geohash string and decode a geohash back to coordinates with precision info. Local algorithm.
UD5 Toolkit
Convert latitude and longitude coordinates into a human‑readable address instantly. Free, no API key required.
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accept-language header; however, this tool currently requests the default locale to keep things simple.Encode latitude/longitude into a geohash string and decode a geohash back to coordinates with precision info. Local algorithm.
Reverse any short video clip and download the backward version. Fun for creative effects. Browser‑based.
Enter any number up to trillion and get the English word representation. For filling out checks or legal documents.
Create SEO‑friendly slugs that handle characters from any language. Removes accents, converts Cyrillic, Greek, etc. to Latin. 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.
Validate a language tag like en‑US or zh‑Hans against the IANA registry. Ensure correct HTML lang attribute.
Convert .srt subtitles to .vtt format for web video players. Preserves all timestamps and formatting. Local.
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.
Paste a WebVTT file and instantly check for syntax errors. Validate timestamps and cue formatting. Essential for video devs.
Instantly convert plain text into HTML‑safe escaped characters for secure display in web pages. Prevent cross‑site scripting. All processing local.
Paste your manifest.json and instantly validate it against the W3C spec. Catch errors and warnings. Client‑side.
Paste a string of weather emojis and get a written weather forecast. Fun and educational emoji tool.
Build a 3D card flip effect and toggle backface‑visibility. See the hidden back face. Copy the complete CSS.
Set your birth date and see a live countdown with days, hours, minutes, and seconds. Shareable link. Pure frontend.
Paste JavaScript and catch syntax errors instantly with line numbers. Lightweight pre‑commit check. Local.
View the moon phase for any date in past or future. See full moon dates and eclipses for a given year.
Convert plain text into HTML‑safe strings by escaping <, >, &, and quotes. Insert into code safely. Local copy.
Enter original and target color to compute the exact CSS hue‑rotate(deg) filter needed. For precise icon and image tinting.
Automatically restore natural colors to a photo by removing color casts. Gray world algorithm. One‑click fix. Canvas.
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.
Paste HTML snippet and highlight interactive elements missing accessible labels. Quick a11y audit.
Interactive visual guide to figure out if a door is left-handed or right-handed. Click through steps. Avoid ordering the wrong door.
See how a PWA can extend content into the title bar area on desktop. Customize the window controls overlay.
Generate a grand, aristocratic title like 'Duke of Waffleshire'. Perfect for silly fun or RPG characters. Local.
Paste an HTML snippet and check for common ARIA mistakes: missing labels, invalid roles, and aria‑hidden misuse. Educate your team.
Paste a set of hex colors and simulate how they appear with common color vision deficiencies. Get contrast warnings.
Enter a text color and background color and instantly see if the combination passes WCAG AA and AAA ratio. Safe colors.
Enter an HTML snippet and see a rough transcription of what a screen reader might announce. Check alt texts.
Create a fully accessible form by adding fields; the tool generates the proper labels, inputs, and ARIA attributes. Copy the clean HTML.
Shift the color temperature of your photo towards warm (orange) or cool (blue). Instant canvas filter. Download result.