Markdown Link Rewriter - Online Relativize or Absolutify URLs
Paste Markdown and convert all links from absolute to relative (or vice‑versa) based on a base domain. Bulk edit.
UD5 Toolkit
https://example.com/blog/seo-tips, the slug is seo-tips. It helps both users and search engines understand what the page is about before even visiting it.
seo-tips is parsed as "SEO tips", but seo_tips may be treated as a single word "seotips". Stick with hyphens for best results.
https://yoursite.com/2025/01/seo-tips), while the slug is specifically the last descriptive part (seo-tips). The slug is the editable, human-readable portion that you can optimize for keywords and readability.
Paste Markdown and convert all links from absolute to relative (or vice‑versa) based on a base domain. Bulk edit.
Check a live URL to extract and validate its canonical link element. Ensure correct SEO configuration. Runs from your browser.
Paste HTML or URL to extract canonical link tag. Verify self-referencing. Simple SEO audit step. Local only.
Convert Markdown to styled HTML that retains formatting when pasted into Google Docs or Word. Headings, bold, lists. Client‑side.
Paste text with highlights (e.g., from Apple Books) and extract only the highlighted lines. Save as list.
Paste Markdown and get warnings for common mistakes: inconsistent heading spacing, bare URLs, and broken links. All local.
Test how `content‑type: text/html` vs `content‑type: image/svg+xml` affects SVG rendering in the browser. Modern performance hint.
Turn any sentence into mocking SpongeBob‑style text. Choose intensity. Copy and paste into chats. Pure client.
A visual guide to common copy‑editing and proofreading symbols. Click a mark to see its meaning. For writers.
Take a lighthearted inventory of your character strengths (not official VIA). Self-reflection tool. All in browser.
Enter a city name or coordinates and see today's sunrise, sunset, and twilight times. Approximate algorithm. Local.
Shows a counter of how many seconds you have been idle. Tracks mouse and keyboard activity without recording.
Query the permission state of camera, microphone, geolocation, and more. See the response and learn the API.
See the healthy weight range for your height using standard BMI chart. Gender‑specific data. Quick reference.
Fill in a form and see the FormData object as JSON. Perfect for debugging multipart form submissions. Client-side.
Pick a contact from the device’s address book (mobile). Read name, email, and phone. All permission‑based. Privacy safe.
Upload an image and get a suggested alt text description using a local vision model (WASM). Improve SEO and accessibility fast.
Enter an image URL, crop it interactively, and download the result. No upload. Works with any CORS‑enabled image.
Paste any article and get a list of the most relevant keywords using a simple TF‑IDF‑like model. Skip stop words. All local.
Paste a direct link to an image and get its 5 dominant colors with hex codes. No upload, uses canvas with CORS proxy.
Paste your article and see a table of the most frequent words with their density percentages. Help avoid keyword stuffing. Local.
Enter a URL and see a nested list of all headings (h1‑h6). Check your document structure for SEO and accessibility. Pure fetch.
Paste the content of an XML sitemap and extract a plain list of all the URLs. For further analysis. Local.
Enter the URL of any image and receive a random harmonious palette extracted from it. Click to regen. For quick inspiration.
Enter the URL of any online image and extract its dominant colors or pick colors with a magnifier. No upload, cross‑origin friendly.
Create SEO‑friendly slugs that handle characters from any language. Removes accents, converts Cyrillic, Greek, etc. to Latin. Local.
Enter a URL and get a one‑page report of titles, description, headings, image alts, and broken links. All from browser.
Enter a URL and see a nested list of all h1‑h6 tags. Check document structure for SEO and accessibility.
Enter a URL and see its favicon at all standard sizes. Check if it's properly defined. SEO basic check.
Trace the full redirect path of a URL. See every hop, status code, and final destination. Detect broken chains.