Free Online Tools. No Login. No Limits.
76+ private tools for developers, students, teachers and creators — everything runs in your browser. Nothing you upload is ever sent to a server.
Popular tools
View all toolsPDF Editor
Open a PDF and rewrite the text that is already in it — click any line, type, and download. Nothing is uploaded.
JS Compiler
Write and run JavaScript instantly in your browser — real console output, stdin, and no server round-trip.
TS Compiler
Write and run TypeScript in your browser — compiled by the real tsc, with console output and no server round-trip.
Python Compiler
Run real CPython in your browser — the full standard library, input(), tracebacks with line numbers, nothing uploaded.
SQL Editor
Run SQL against a real SQLite database in your browser — sample data already loaded, schema browser, nothing to install.
HTML/CSS/JS Editor
Edit HTML, CSS and JavaScript with a live preview and a console — the whole page renders as you type.
Privacy first
Everything runs in your browser. Nothing you paste or upload is ever sent to a server.
Instant results
No spinners, no waiting on a backend — output updates the moment you type.
Free, forever
No login, no watermark, no hidden limits. Utilrix stays free for every tool we ship.
Browse by category
Code Playground
Write and run real code in your browser — no server, no sign-up, works offline.
Encoding & Security
Encode, decode, and hash — all in your browser.
Generators
Create IDs, passwords, and other random values.
Code Formatters
Beautify and test HTML, CSS, SQL and regular expressions.
Converters
Convert between the formats developers deal with daily.
Text Tools
Everyday text utilities.
Calculators
Everyday calculators for students — age, percentage, CGPA and unit conversions.
Classroom Tools
Handy tools for teachers — QR codes, name pickers, word-search puzzles and timers.
Video Tools
Resize, trim and compress video for YouTube and Instagram — 100% in your browser.
AI Tools
AI that runs entirely on your device — no uploads, no accounts, works offline after the first load.
PDF Tools
Merge, split and build PDFs right in your browser — your files are never uploaded.
76 free tools today. Many more on the way.
Bookmark Utilrix once — every new tool we ship lands in the same place.
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