IntraHub
70 free tools · Instant results

Online Utility Tools

Powerful free tools for everyday tasks. Fast, private and easy to use — no signup required.

70 tools

Encoders & Decoders

(10)

Generators

(12)

Text Tools

(13)

Developer Tools

(18)

Regex Tester

Test regular expressions with real-time matching, highlighting and match groups. Supports flags g, i, m, s.

JWT Decoder

Decode JSON Web Tokens (JWT) to inspect header, payload and signature. Check expiration dates.

Cron Expression Parser

Parse and explain cron expressions in plain English. Common presets and field-by-field breakdown.

Diff Checker

Compare two texts side by side and see the differences highlighted line by line.

Markdown Preview

Write Markdown and see the rendered HTML output in real time. Supports headings, links, images, code and more.

CSS Minifier

Minify CSS code by removing whitespace, comments and unnecessary characters. See size reduction.

SQL Formatter

Format and beautify SQL queries with proper indentation and keyword highlighting.

Pixel to REM Converter

Convert between PX and REM units with a configurable base font size. Quick reference table included.

Chmod Calculator

Calculate Unix file permissions visually. Toggle read, write, execute for owner, group and others.

Flexbox Playground

Visual Flexbox CSS builder. Adjust direction, wrap, justify, align and gap with live preview.

Screen Resolution Info

View your screen resolution, viewport size, pixel ratio, color depth and device info.

CSS Grid Generator

Visual CSS Grid builder. Set columns, rows and gaps with a live preview and instant CSS output.

Border Radius Generator

Visually build CSS border-radius with individual corner controls, presets and instant copy.

Text Shadow Generator

Design CSS text-shadow with live preview. Adjust X, Y, blur, opacity and color with handy presets.

CIDR / Subnet Calculator

Calculate network details from a CIDR block: network, broadcast, mask, host range and total hosts.

Contrast Checker

Check WCAG accessibility contrast ratio between text and background colors. Get AA/AAA ratings.

HTML Live Preview

Write HTML and see a live preview instantly. Sandboxed browser preview with code editor.

JSON Tree Viewer

Paste JSON and explore it as a collapsible interactive tree. Click nodes to expand/collapse.

Calculators

(11)