itsjust.tools

A clean scientific calculator. Basic arithmetic, trigonometry, logarithms, function graphing, and more.

Write LaTeX equations with instant KaTeX preview and automatic solving with CAS.

A minimal monthly calendar with event tracking. Add, remove, and organize your events.

A precise countdown timer with preset durations, custom time input, and circular progress ring with notifications.

Cron expression builder and validator. Generate, test, and understand cron schedules.

A distraction-free notepad with rich text support. Write, edit, and export your notes.

Convert text between 16 case modes — lowercase, UPPERCASE, Title Case, camelCase, snake_case, kebab-case, and more. All client-side, privacy-first.

Generate .gitignore files from 50+ templates — combine languages, frameworks, IDEs, and OS rules. All client-side, privacy-first.

Generate smooth organic blob shapes with real-time controls. Tweak points, smoothness, randomness, and colors.

Pick colors, get hex/rgb/hsl/oklch values, build color schemes, and check WCAG contrast.

Convert between YAML, JSON, and TOML formats instantly. Paste your config, pick source and target format, and get clean output.

Build and preview CSS filter chains visually. Combine blur, brightness, contrast, and more — see the result in real time.

Convert any file or text into a data URI. Paste, upload, or type to get a data: URL — all client-side, privacy-first.

View and compare text differences side-by-side. Paste two versions of any text and see exactly what changed, added, or removed.

Format, validate, and minify JSON with syntax highlighting. Sort keys, collapse empties, diff, and export.

Generate secure passwords and passphrases with configurable length, symbols, and strength.

Generate QR codes from text or URLs. Camera scanning, logo overlay, custom colors, and multiple export formats.

Format, beautify, and lint SQL queries. Supports MySQL, PostgreSQL, SQLite, BigQuery, and more.

Visual SVG editor with bi-directional code sync. Draw shapes, edit attributes, drag to reposition, and export clean SVG.

Generate Docker Compose, systemd units, NGINX configs, and WireGuard configurations.

Build, edit, and export systemd unit files (services, timers, sockets, mount points). Visual form-based editor with proper syntax output.

WCAG AA/AAA compliance checker for color contrast ratios. Test accessibility for normal and large text with live contrast previews.

Simulate vision deficiencies (protanopia, deuteranopia, tritanopia, cataracts) for accessibility testing.