Tools

Free Online Tools

Handy, free utilities to help developers and businesses move faster. More tools are on the way.

Password Generator

Generate strong, random passwords and instantly compare uppercase, lowercase, number, and symbol variants.

Open tool ->

Base64 Encode

Convert plain text into Base64-encoded strings instantly.

Open tool ->

Base64 Decode

Decode Base64 strings back into readable plain text.

Open tool ->

URL Encode

Percent-encode text so it is safe to use in URLs and query strings.

Open tool ->

URL Decode

Decode percent-encoded URLs and query strings back into plain text.

Open tool ->

PKCE Generator

Generate an OAuth 2.0 PKCE code verifier and its matching S256 code challenge.

Open tool ->

JWT Decoder

Decode a JSON Web Token to inspect its header, payload claims, and expiry time.

Open tool ->

Hash Generator

Generate MD5, SHA-1, SHA-256, SHA-384, and SHA-512 hashes at once.

Open tool ->

String to Uppercase

Convert any text to UPPERCASE instantly.

Open tool ->

String to Lowercase

Convert any text to lowercase instantly.

Open tool ->

Case Converter

Convert text to camelCase, PascalCase, snake_case, kebab-case, and more, all at once.

Open tool ->

JSON Beautifier

Format and validate JSON into readable, indented output.

Open tool ->

JSON Minifier

Compress and validate JSON into a compact single line and see the bytes saved.

Open tool ->

UUID Generator

Generate UUID versions 1, 3, 4, 5, and 7 all at once.

Open tool ->

ULID Generator

Generate a lexicographically sortable, 128-bit unique identifier.

Open tool ->

Timestamp Converter

Convert Unix timestamps to human-readable dates, and dates back to Unix time.

Open tool ->

QR Code Generator

Generate clean, direct QR codes with no redirects, tracking, or expiration. Fully customized and generated in your browser.

Open tool ->

Barcode Generator

Generate CODE128, EAN, UPC, CODE39, and more barcode formats with custom colors and sizes, fully in your browser.

Open tool ->

Invoice Generator

Create professional invoices with your logo, a Finnish bank payment barcode when needed, and download them as a PDF, fully in your browser.

Open tool ->

SEO Audit

Scan a page or full sitemap for meta tags, links, structured data, security, and crawlability issues.

Open tool ->