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Tiny tools for everyday work

A collection of fast, no-nonsense utilities for developers, designers and everyday business tasks — from QR codes and VAT to JSON, colour and DNS. No ads, no signup.

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All tools

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Random Hex Generator

Generate random hex strings of any length.

Hash Generator

MD5, SHA-1, SHA-256 and SHA-512 hashes from any text.

JSON Beautifier

Format, validate and minify JSON instantly.

JWT Decoder

Decode JWT header and payload with expiry checking.

UUID / GUID Generator

Bulk generate v4 and v7 UUIDs with formatting options.

Regex Tester

Test patterns live with match highlighting and groups.

Diff Checker

Compare two texts with line and word-level differences.

Cron Expression Parser

Explain cron expressions and preview the next runs.

Timestamp Converter

Convert Unix timestamps to dates and back.

HEX ↔ RGB Converter

Convert colors between HEX and RGB notations.

SVG Viewer

Paste SVG code and preview it live.

SVG Image to Code

Upload an SVG file and extract its source.

Code to SVG Image

Render SVG code and export as SVG or PNG.

CSS Units Converter

Convert px to rem, em, %, vw, vh and pt.

Colour Palette Generator

Build tints, shades and harmonies from one base colour.

Contrast Checker

Check WCAG AA and AAA contrast with live preview.

CSS Gradient Generator

Design linear, radial and conic gradients visually.

Box Shadow Generator

Layer CSS shadows with a live card preview.

Image Compressor / Resizer

Resize and compress images without uploading them.

Favicon Generator

Create every favicon size, an .ico and the head tags.

Base64 Encoder / Decoder

Encode and decode Base64 strings safely.

Text Case Converter

Switch between upper, lower, title and more.

Lorem Ipsum Generator

Generate placeholder paragraphs, sentences or words.

JSON ↔ YAML ↔ CSV

Convert between JSON, YAML and CSV with auto-detection.

HTML Entity Encoder / Decoder

Escape and unescape HTML entities.

Markdown Preview

Write markdown and preview or copy the HTML.

MySQL Dump Viewer

Open a .sql file and browse its table data.

Word / Character Counter

Live counts, reading time and top keywords.

Password Generator

Create strong random passwords on demand.

Business & Network

URL Encoder / Decoder

Percent-encode and decode URL components.

Business & Network

QR Code Generator

QR codes for links, text, Wi-Fi and contact cards.

Business & Network

Subnet / CIDR Calculator

Network, broadcast, host range and subnet splitting.

Business & Network

DNS Lookup

Show every DNS record for a domain with TTLs.

Business & Network

WHOIS Lookup

Registrar, expiry dates, status codes and nameservers.

Business & Network

SSL Certificate Checker

Issuer, expiry, covered domains and a live HTTPS test.

Business & Network

CMS / Platform Detector

See if a site runs WordPress, Shopify, Wix and more.

Business & Network

Broadband Speed Test

Download, upload, ping and jitter with a live speedometer.

Business & Network

Date & Working Days Calculator

Date gaps, working days and SLA due dates.

Business & Network

VAT & Percentage Calculator

Add or remove VAT and run percentage sums.

Business & Network

Unit Converter

Data, time, length, weight and temperature units.

Business & Network