Developer Tools

Format and beautify raw JSON so it is easier to read, debug, and review.

Check whether JSON syntax is valid before you use it in apps, APIs, or config files.

Minify JSON into a compact single-line format for transfer, storage, or embedding.

Encode plain text into Base64 for transport, testing, headers, and quick developer tasks.

Decode Base64 strings back into readable text for debugging, review, and quick checks.

Encode text so it can be used safely inside URLs, query strings, and parameters.

Decode percent-encoded URL text back into normal readable characters.

Encode special characters as HTML entities so they display safely in HTML content.

Decode HTML entities back into normal readable characters and text.

Generate an MD5 hash from text for quick checksums, comparisons, and test values.

Generate a SHA256 hash from text for integrity checks, comparisons, and developer tasks.

Generate random UUIDs for apps, databases, APIs, and test data.

Generate a random string for placeholders, testing, and simple development tasks.

Break a URL into readable parts such as protocol, host, path, query, and hash.

Decode JWT header and payload data into a readable format for quick inspection.

Remove HTML tags and keep only the readable text content.

Encode text into URL-safe Base64 for tokens, links, and web-friendly transport.

Decode URL-safe Base64 strings back into readable text.

Extract query parameters from a full URL and list them in a readable format.

Parse raw query strings into readable key-value pairs.

Convert special characters into HTML entities for safe display in markup.

Decode HTML entities back into normal readable characters.

Apply the ROT13 letter shift to text instantly.

Convert plain text into binary values character by character.

Convert binary byte values back into readable text.

Convert plain text into hexadecimal values character by character.

Test regular expressions against sample text and inspect matches quickly.

Encode plain text to Base32 or decode Base32 back into readable text in one tool.

Encode plain text to Base32 instantly.

Decode Base32 text back into readable output.

Encode plain text to Base58 for compact strings without ambiguous characters.

Decode Base58 text back into readable output.

Convert escaped JSON string content back into readable text.

Convert XML into JSON format quickly in your browser.

Convert JSON into XML markup directly in the browser.

Format YAML with cleaner spacing and indentation.

Validate YAML for common syntax and indentation issues.

Format SQL queries for cleaner structure and readability.

Minify SQL by removing extra spaces and comments.

Beautify SQL with better layout and readable clause structure.

Convert SQL INSERT statements into JSON objects.

Format CSV with normalized quoting and cleaner output.

Validate CSV structure and common formatting issues.

Convert CSV rows into YAML objects quickly in the browser.

Convert simple YAML lists into CSV rows.

Convert TOML into JSON for easier inspection and reuse.

Convert JSON into TOML for config files and tooling.

Parse JWT tokens into readable header and payload data.

Check whether a JWT is expired, valid, or not yet active.

Decode URL slugs into readable text quickly.

Extract the path part from a full URL.

Normalize full URLs into a cleaner canonical form.

Decode query parameters from a full URL or raw query string.

Build a URL query string from JSON or key-value lines.

Parse raw HTTP headers into structured JSON.

Parse user agent strings into browser, OS, and device details.

Convert simple YAML lists into CSV rows.

Convert TOML into JSON for easier inspection and reuse.

Convert JSON into TOML for config files and tooling.

Parse JWT tokens into readable header and payload data.

Check whether a JWT is expired, valid, or not yet active.

Decode URL slugs into readable text quickly.

Extract the path part from a full URL.

Normalize full URLs into a cleaner canonical form.

Decode query parameters from a full URL or raw query string.

Build a URL query string from JSON or key-value lines.

Parse raw HTTP headers into structured JSON.

Parse user agent strings into browser, OS, and device details.

Generate SHA-1 hashes from text in the browser.

Generate SHA-512 hashes from text quickly in the browser.

Generate bcrypt hashes with configurable cost.

Generate HMAC digests using a secret key and message.

Encode text into hexadecimal output in the browser.

Decode hexadecimal text back into readable output.

Encode text into Base16 output in uppercase hexadecimal form.

Decode Base16 text back into readable UTF-8 output.

Encode text into Base85 output for compact text-safe representation.

Decode Base85 text back into readable UTF-8 output.

Decode URL-safe Base64 strings back into readable text.

Generate common regex patterns from simple input.

Escape special characters for safe use inside regular expressions.

Extract regex matches and groups from text input.

Format API request bodies into cleaner readable output.

Compare two JSON values and show the differences clearly.

Check Open Graph tags on any web page.

Check HTTP response headers for a website.

Check whether a URL redirects and where it ends up.

Check whether a site has a robots.txt file and review its main directives.

Check whether a sitemap exists and inspect key sitemap details.

Check the canonical tag on a page and compare it with the input URL.

Analyze a page title and core SEO meta tags in one place.

Check whether an HTTP URL redirects to the HTTPS version correctly.

Check whether a site redirects correctly between www and non-www versions.

Generate random passwords with letters, numbers, and symbols.