All the tools
Every free GitGud developer tool in one place — JSON, YAML, CSV, XML and SQL, diffing, JWTs, hashes, UUIDs, timestamps, cron, regex, QR codes, subnets, a URL shortener and SEO/AI-visibility audits. Client-side where possible, and nothing you paste is stored.
21 of the 27 never make a network request at all — the rest fetch a URL you give them and throw the result away when the request ends.
AI Answer Readiness
Score any page on whether AI answer engines can crawl, parse and cite it.
robots.txt Builder & Tester
Test 13 AI crawlers against your robots.txt, see the exact rule that decided, then fix it.
Schema Markup Generator
Build valid Article, Organization, Product, FAQ and Breadcrumb JSON-LD — or validate what you already ship.
Meta & Open Graph Preview
Fetch a URL and see the title, description, canonical and social cards exactly as X, Slack and Discord render them.
llms.txt Generator
Generate a spec-shaped llms.txt from your sitemap — with an honest note about what it's worth.
HTTP Status Codes
Every IANA-registered status code, what it means, when to send it, and the RFC that defines it.
SEO & Analytics Audit
Score any page on classic on-page SEO, technical basics, and whether analytics is even installed.
JSON Formatter
Pretty-print, minify and validate JSON. Points at the exact error.
YAML ⇄ JSON Converter
Convert YAML to JSON and back, with the line and column of any parse error.
XML Formatter & Converter
Format, minify and validate XML, or convert it to JSON.
CSV ⇄ JSON Converter
CSV to JSON and back, with delimiter detection, header handling and type coercion.
SQL Formatter
Format SQL for Postgres, MySQL, SQLite, T-SQL and BigQuery, with keyword casing and indent width.
Diff Checker
Compare two texts line, word or character at a time — side-by-side or unified, with a JSON mode.
JSONPath Evaluator
Run a JSONPath expression against a document and see the matches live, with a syntax cheatsheet.
JWT Decoder & Signer
Decode header and payload, check expiry, and sign HS256/384/512 tokens — all in your browser.
Regex Tester
Live matches, capture groups and highlighting against your test string.
Base64 Encode / Decode
UTF-8-safe text ⇄ Base64, plus files and images to data URIs, with a URL-safe alphabet toggle.
URL Encode / Decode
Percent-encode or decode, and break a URL into its parts and query params.
UUID Generator
Bulk v4 and v7 UUIDs from the Web Crypto API. Uppercase / no-dash options.
Hash Generator
SHA-1, SHA-256, SHA-384 and SHA-512 of any text, live as you type.
Password Generator & bcrypt
Cryptographically random passwords with an entropy readout, plus bcrypt hashing and verification.
QR Code Generator
Text, URL, WiFi and vCard QR codes with error-correction control, as SVG or PNG.
URL Shortener
Turn a long URL into a shyt.my link. Free, no login, no expiry.
Timestamp Converter
Unix epoch ⇄ ISO 8601 and human time, in seconds or milliseconds, UTC and local.
Cron Explainer
Turn a 5-field cron expression into plain English and the next run times.
Case Converter
One phrase into camelCase, snake_case, kebab-case, CONSTANT_CASE, a slug and more.
CIDR / Subnet Calculator
Network, broadcast, host range and mask for any IPv4 or IPv6 CIDR block — plus split and contains.
What each group is for
- AI Search
- See your site the way AI answer engines do.
- SEO
- Classic on-page and technical SEO, scored.
- Web
- Fix the files and tags that decide whether you get cited.
- Inspect
- Decode and pull apart what you were handed.
- Encode
- Move data between shapes and alphabets.
- Convert
- Take one format in, get another out.
- Text
- Reshape identifiers and payloads.
- Generate
- Make IDs, hashes, secrets and fixtures.
- Time
- Epochs, ISO strings and cron schedules.
- Network
- Addresses, masks and status codes.
Looking for the AI side of this? Citable watches a site's answer-engine readiness on a schedule instead of one URL at a time.