A fast, clean workbench of 107 tools — JSON, Base64, hashes, JWT, PDF, regex, CSS generators and more. No signup, no uploads, no tracking — open your Network tab and check for yourself.
Polished, focused tools for the daily grind. Pick a category to jump in.
The dev community's go-to utilities — pinned for good reason.
Every keystroke is processed locally — no round-trips, no waiting, no surprises.
Live processing as you type. No buttons to click, no spinners, no waiting on a backend.
Your data never leaves your device. Everything runs in your browser, even offline.
Cmd+K to search, fast tab order, full accessibility — the way devs actually work.
Installable as a PWA so it shows up on your dock — and keeps working without WiFi.
Carefully tuned palettes for long sessions. We respect your system preference.
No popups, no “sign up to continue.” Just clean tools that do one thing well.
Everything you need to know about Encoder.guru and how it works.
Yes — every tool on Encoder.guru is 100% free, with no signup and no paywall.
No. Every tool runs entirely client-side using JavaScript and the Web Crypto API. You can verify it in your browser's Network tab — there are no uploads.
Yes — Encoder.guru is a Progressive Web App. Once you've visited a page, the service worker caches it so you can use it without an internet connection.
107 tools across 12 categories: JSON & text, encoding, hash & security, image, PDF, utilities, CSS generators, code tools, text tools, color tools, web & SEO and cheat sheets — including JSON formatting, Base64, SHA hashes, UUID, JWT builder & verifier, regex, QR codes, PDF tools, invoice and privacy policy generators, API tester, GraphQL formatter, and Git/Linux/Docker/Vim cheat sheets.