ToolsForWeb.com

Work out network, broadcast, host range and mask from any IPv4 CIDR.

Convert an IPv4 address between dotted-decimal, integer, hex and binary.

Encode text to Base64 or decode it back, with URL-safe and Unicode support.

Percent-encode or decode text for use in URLs and query strings.

Decode a JSON Web Token's header and payload without verifying the signature.

Generate MD5, SHA-1, SHA-256, SHA-384 and SHA-512 digests of text.

Identify the likely algorithm behind a hash from its format and length.

Score a vulnerability with CVSS v3.1 or v4.0 base metrics, or decode a vector string.

Pretty-print, minify and validate JSON, with the line and column of any syntax error.

Test a JavaScript regular expression against sample text with live match highlighting.

Generate one or up to 100 random v4 UUIDs.

Explain a cron expression in plain English and show the next run times.

Fetch a sitemap and extract every URL in it as a clean list.

Convert text between camelCase, snake_case, kebab-case, Title Case and more.

Count words, characters, sentences, paragraphs and estimated reading time.

Turn any title into a clean, URL-safe slug.

Compare two blocks of text and highlight what changed.

Write Markdown with a live preview, side by side or stacked.

Convert a color between HEX, RGB, HSL and OKLCH.

Convert length, mass, temperature, data size and more.

Convert between Unix timestamps and human-readable dates in any timezone.