Developer Tools

• 💻Dev4.8

  Base64 Encoder / Decoder

  Encode and decode text or files to/from Base64 — fast, private, runs entirely in your browser.

• 💻Dev4.8

  Hash Generator (MD5, SHA-1, SHA-256, SHA-512)

  Compute MD5, SHA-1, SHA-256, and SHA-512 hashes from any text — instantly, entirely in your browser.

• 💻Dev4.9

  IP Address Lookup

  Look up your public IP and any IPv4/IPv6 address — see country, city, ISP, and ASN.

• 💻Dev4.9

  JSON Formatter

  Format, validate, minify, and inspect JSON with helpful error messages.

• 💻Dev4.8

  JWT Decoder

  Decode JSON Web Tokens to inspect header, payload, and expiration — locally, no signature verification needed.

• 💻Dev4.8

  URL Encoder / Decoder

  Encode and decode URL components and inspect protocol, host, path, and query parameters.

• 💻Dev4.8

  UUID Generator

  Generate UUID v4 or UUID v7 identifiers in batches — copy individually or all at once.

Curated collections

Hand-picked groups of the highest-rated tools in each category.

• Top-Rated Tools4.5+

  69 tools

• Highly-Rated Tools4+

  69 tools

• Best Finance Tools4+

  3 tools

• Best Health Tools4+

  2 tools

• Best Math Tools4+

  4 tools

• Best AI Tools4+

  20 tools

• Best Image Tools4+

  13 tools

• Best Text Tools4+

  5 tools

• Best Converters4+

  6 tools

• Best Generators4+

  8 tools

• Best SEO Tools4+

  1 tool

• Best Developer Tools4+

  7 tools

• Top-Rated Finance Tools4.5+

  3 tools

• Top-Rated AI Tools4.5+

  20 tools

• Top-Rated Converters4.5+

  6 tools

Complete tool directory

Every tool, grouped by category. Pages and filters above are for browsing — every link below is also indexed.