DevKit Pro

25 tools • 100% client-side

Word & Character Counter

Live stats as you type.

0

Words

0

Characters

0

No Spaces

0

Lines

Read time (200 wpm)0m
Speak time (130 wpm)0m
Sentences0

Case Converter

10 transform modes.

JSON Formatter

Beautify, minify, sort & validate.

Idle

Base64 Encoder / Decoder

Unicode-safe conversion.

URL Encoder / Decoder

Percent-encoding done right.

Hash Generator

SHA-1, SHA-256, SHA-384, SHA-512 via Web Crypto.

// hash appears here

Lorem Ipsum Generator

Placeholder text, ready to paste.

Text Diff Checker

Line-by-line comparison (LCS-based).

// diff appears here

Password Generator

Cryptographically secure (Web Crypto).

Click "Generate"
—

Regex Tester

Live highlighting of matches.

0 matches

Markdown Preview

Live render — headings, lists, code, links, blockquotes.

Preview appears here…

JWT Decoder

Decode header & payload. Signature is not verified.

Idle

Header

—

Payload

—

Signature

—

Color Converter

HEX ↔ RGB ↔ HSL with live preview.

Preview

UUID Generator

Cryptographically random v4 UUIDs.

Click "Generate"

Timestamp Converter

Unix ↔ ISO ↔ Human readable. Auto-detects format.

Unix (seconds)

—

Unix (ms)

—

ISO 8601 (UTC)

—

Local

—

Relative

—

HTML Entity Encoder / Decoder

Safe HTML output — named, numeric & hex entities.

CSV ↔ JSON Converter

Quote-safe, header-aware, newline-safe.

Number Base Converter

Binary, Octal, Decimal, Hex, Base-2 to Base-36.

Binary

—

Octal

—

Decimal

—

Hex

—

Base-36

—

// Bit view

—

URL Parser

Break down a URL into all its components.

Protocol

—

Hostname

—

Port

—

Pathname

—

Hash

—

Origin

—

Username

—

Password

—

Query Parameters

—

Text Escape / Unescape

JSON, JavaScript, HTML escaping helpers.

Image → Base64

Drag & drop, preview, encode/decode data URLs.

Cron Expression Parser

5-field cron — human description + next 10 runs.

Human Description

Next 10 Runs (local)

    Readability Analyzer

    Flesch, Flesch-Kincaid, Gunning Fog, SMOG, ARI.

    Flesch Reading Ease

    —

    —

    FK Grade Level

    —

    —

    Gunning Fog

    —

    —

    SMOG Index

    —

    —

    ARI

    —

    Coleman-Liau

    —

    Words / Sentences

    —

    Syllables / Word

    —

    Mock Data Generator

    Fake names, emails, phones, addresses — for testing.

    Click "Generate"

    IP / CIDR Subnet Calculator

    Network, broadcast, host range, subnet mask, wildcard.

    Network

    —

    Broadcast

    —

    First Host

    —

    Last Host

    —

    Total Hosts

    —

    Usable Hosts

    —

    Subnet Mask

    —

    Wildcard

    —

    Binary (network / mask)

    —