12+ Free Developer Tools

Encode, Decode & Transform

Fast, private, browser-based tools for developers. No sign-up — just paste and go.

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Explore Tools Start Encoding

transform.js

const text = "Hello, World!";

// Encode to Base64

const encoded = btoa(text);

→ "SGVsbG8sIFdvcmxkIQ=="

Encoding & Decoding

Base64 Encode

Convert plain text or binary data into Base64 format instantly.

Base64 Decode

Decode Base64 strings back to readable text or binary data.

URL Encode/Decode

Encode or decode URLs, query strings and special characters.

Base64 Image

Convert images to Base64 strings and decode Base64 back to images.

HTML Entity Encode/Decode

Convert HTML special characters to entities and back.

Hex ↔ ASCII

Convert between hexadecimal and ASCII text representations.

Security & Tokens

JWT Decode

Inspect and verify JSON Web Token payloads and headers.

UUID Generator

Generate UUID/GUID v1, v4, and v5 identifiers instantly.

Hash Generator

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

Certificate Decoder

Parse and inspect SSL/PEM certificates in your browser.

SAML Decoder

Decode Base64-encoded SAML responses and inspect XML.

Developer Utilities

Unix Timestamp

Convert between Unix timestamps and human-readable dates.

Markdown Preview

Write Markdown and see the rendered preview in real time.

Data Conversion

JSON ↔ YAML

Convert JSON to YAML and YAML to JSON instantly with syntax highlighting and validation.

Partner Tools

AI Cron Builder

Generate, build, test and explain cron expressions with AI, a visual builder, or manual editor — plus code snippets for GitHub Actions, Kubernetes, AWS and more.

AI Image Generator

Turn text prompts into stunning images using AI — photorealistic, artistic, and transparent backgrounds.

AI Text Rewriter

Rewrite, paraphrase, and improve any text instantly using AI — multiple tones and styles.

QR Code Generator

Create custom QR codes for URLs, text, Wi-Fi, vCards and more — download in seconds.

JSON Formatter

Beautify, validate, and minify JSON data with syntax highlighting and error detection.

AI Email Writer

Write professional, compelling emails in seconds with AI — multiple tones and formats.

Password Generator

Generate strong, cryptographically secure passwords with custom length and character sets.

AI SQL Generator

Generate SQL queries from plain English descriptions using AI — supports multiple database dialects.

QR Code Reader

Instantly decode any QR code by uploading an image or scanning from your camera.

Invoice Generator Pro

Create polished, professional PDF invoices with logo, taxes, and custom fields — free.

Ready to get started?

Pick a tool and transform your data in seconds — completely free.

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