Free online developer tools for Base64, JWT & sitemap

ToolMorph is a fast, no-signup collection of web utilities. Pick a tool below—everything runs with a dark, low-clutter interface designed for long sessions, documentation tabs, and quick debugging. Each area has a dedicated page with examples, internal links, and FAQs to help you ship without hunting through noisy aggregators.

All tools

Base64, JWT, and SEO helpers—hover a card to jump in.

Categories

Encoding tools

Text and binary packaging for APIs, data URLs, and logs. The Base64 cluster covers UTF-8 text, images, and round-trip checks without installing CLI utilities on every machine.

Browse all tools →

Security tools

Read JWT claims, confirm expiry, and pair the output with your backend verification. These utilities focus on inspection—not replacing key rotation or OIDC best practices.

Browse JWT tools →

Why we built a hub instead of a single gadget

Most “developer tools” sites grow by stacking unrelated widgets on the homepage, which is terrible for both user focus and search clarity. ToolMorph takes the opposite path: a calm landing page, then deep pages per tool. That lets each screen earn a concrete title, description, and structured data so people find the exact flow they need—encode, decode, image conversion, or JWT inspection—without wading through noise.

Base64 is still a backbone format for the web. You use it in data URLs, in logs that cannot carry raw binary, in JWT bodies (as Base64url, a close cousin), and in countless APIs that return cert material as strings. The all-tools page and the cards above funnel you to each Base64, JWT, or sitemap task without extra noise. The same story applies to security-minded utilities: a JWT decoder helps developers confirm claims during integration work, and we pair that with explicit warnings that decoding is not verification. When you need to publish a list of launch URLs for a marketing site or a static app, a sitemap generator provides an immediate XML download you can hand to a CDN or a client without touching a programming language. Each pattern shares the same product goals: local-first where possible, honest about server boundaries, and written so that both humans and crawlers can understand the value.

Long-form blog articles extend the tools with context—what Base64 is, how to use it in safe pipelines, and when to pick another format. We link out from tools to these guides, and back, so the site behaves like a small documentation project rather than a list of iframes. If you are evaluating tools for your team, look for that depth: a utility without explanation ages poorly; a page that answers “what,” “how,” and “when not to” is easier to trust and to cite.

Blog — deep dives and how-tos