Regex Tester (JavaScript) Online: write a JavaScript-style pattern and flags, paste a subject string; we list matches with limits to reduce runaway cost—use for debugging, not secret handling.
Cron Expression Explainer (5-field) Online: paste a five-field UNIX cron (minute hour day-of-month month day-of-week); we break down each field in plain language—next-run scheduling is not computed here.
HTTP Security Headers Checker Online: paste a public https URL; we fetch it from our servers (following redirects) and summarize common security-related response headers—informational, not a penetration test.
WCAG Color Contrast Checker Online: enter foreground and background hex colors; we compute the WCAG contrast ratio and whether normal/large text meets AA or AAA.
Text Diff (unified) Online: paste or upload two text versions; we return a unified diff so insertions and deletions are easy to scan, copy, or attach to a code review.
Color Palette Generator Online: choose up to three anchor colors (quick presets or hex codes) and get ten wheel-based palettes tuned for UI backgrounds, accents, and states.
Turn hex into RGBA: paste #RGB … #RRGGBBAA (optional #), then copy rgba(...) and channels.
Turn RGBA into CSS hex: paste rgba(...) or use R/G/B/A, then copy #RRGGBBAA or #RRGGBB.
Source Code Downloader Online: paste a public web page URL; we fetch the HTML response on our servers and you download it as a plain-text .txt file (markup preserved) to read, diff, or keep offline, within this tool’s limits.
Turn PNG photos into SVG: upload an image, fine‑tune export options if you need them, and download the finished file.
Line Break Remover: strip unwanted noise—HTML tags, metadata, or duplicate lines—while keeping the meaningful content intact.
Paste & Share Text: follow the guided inputs, review the computed output, and copy or download it when it matches what you expected.
TEXT Cleaner: strip unwanted noise—HTML tags, metadata, or duplicate lines—while keeping the meaningful content intact.
Unshorted Url: follow the guided inputs, review the computed output, and copy or download it when it matches what you expected.
Youtube Thumbnail Downloader Online: paste a YouTube watch URL, youtu.be short link, or 11-character video ID; we return the official img.youtube.com thumbnail URLs (maxres, high, medium, standard) so you can preview or save cover images in the browser.
Random Number Generator: choose the few inputs that matter, generate the artifact, then copy or download it for your site, email, or repo.