Build link-in-bio pages with profile, links, and icons — your Instagram exit ramp. Route followers anywhere in one link — local building, free, no signup.
Content reviewed October 2026 · About Toolzum
Build professional HTML email signatures with photo, links, and contact details. Sign every mail like a company — local generation, free, copy-paste.
Collect brand colors by hex with names plus font picks in one persistent kit — export JSON for developers. Lock a startup identity in an afternoon — free, local, no signup.
Design simple logos with text, tagline, and 5 preset icons on canvas — export PNG/SVG. Draft startup marks in an afternoon — local Canvas work, unlimited saves.
Build JSON-RPC 2.0 request envelopes with method, params, and IDs. Talk to Ethereum nodes and RPC APIs correctly — local building, free, no signup.
Share secrets securely via self-decrypting note links — AES ciphertext in the URL fragment, key in the link query. Send passwords without trusting inboxes — local crypto-js AES, free, no signup.
5–8 active maximum — more paralyzes taps. Rotate seasonally; archive old campaigns off the page.
No click tracking and no UTM fields — add ?utm_source=bio to your URLs by hand before pasting them in. 8 icon options (website, Instagram, X, YouTube, music, shop, WhatsApp, generic); links reorder with up/down buttons.
No hosting here — the export is one self-contained HTML file (480px max width, 96px circle avatar, default ui-avatars image until you upload). Copy it to GitHub Pages, Vercel, Netlify, or Cloudflare Pages; the .html download counts as one quota-gated save.
No — building runs locally in your browser. Nothing leaves your device.
Social Media Post Maker
Design sized social posts with text overlays and brand colors in 4 network sizes. Ship a week of creatives in one sitting — local Canvas work, unlimited saves.
Email Signature Generator
Build professional HTML email signatures with photo, links, and contact details. Sign every mail like a company — local generation, free, copy-paste.