Too Much Tools

Format, minify, sort and validate JSON locally, with precise error locations.

Structurally compare two JSON documents and see added, removed and changed values — locally.

Convert JSON to YAML and YAML back to JSON — locally, both ways.

Convert JSON to XML and XML back to JSON — locally, both ways.

Convert an array of JSON objects to CSV and parse CSV back to JSON — locally.

Generate a JSON Schema from sample JSON, or validate JSON against a schema — locally.

Run JSONPath queries against a JSON document and inspect the matches — locally.

Stringify JSON into an escaped string literal for code, or parse a string back to JSON — locally.

Convert .NET appsettings.json to environment variables (and back) for Docker, Kubernetes and CI.

Generate sample JSON from C# classes (loose mode) or generate C# DTOs from JSON.

Generate TypeScript interfaces from C# models and C# classes from TypeScript — locally.

Escape or unescape text for C# strings, JSON, regex, URLs and HTML — locally.

Parse an ADO.NET/database connection string into key-values (and back) — locally.

Encode text to Base64 or decode Base64 back to text, with URL-safe support — all local.

Convert text to 8-bit binary and back, UTF-8 aware — entirely local.

Generate GUIDs, UUID v4, time-sortable UUID v7 and ULIDs locally, in bulk.

Decode a JSON Web Token's header and payload and inspect its claims — locally.

Compute SHA-1/256/384/512 digests and HMACs in your browser via Web Crypto.

Generate strong random passwords and encryption keys (hex/base64) in your browser.

Encrypt or decrypt text with AES-256-GCM and a passphrase (PBKDF2) — all local.

Generate an RSA public/private key pair in PEM format, in your browser via Web Crypto.

Count characters, words, lines and UTF-8 bytes in text — computed locally.

Diff two blocks of text side by side, locally — with whitespace and case options.

Write Markdown and preview sanitized HTML side by side — rendered locally and safely.

Convert text between camelCase, snake_case, kebab-case, PascalCase and more — locally.

Generate placeholder text — words, sentences or paragraphs — locally.

Convert HTML into clean Markdown — locally in your browser.

Test JavaScript regular expressions against sample text with live matches, groups and replace.

Inspect each character: code point, UTF-8/UTF-16 bytes and HTML entity — locally.

Paste anything — it detects the format (JWT, JSON, SQL, XML…) and sends it to the right tool.

Convert between bytes, KB/MB/GB/TB, binary KiB/MiB/GiB and bits — locally.

Convert integers between hex, decimal, binary, octal and any base (2–36) — locally.

Browse the full ASCII table with decimal, hex, octal and binary codes — locally.

Format and beautify SQL for many dialects, with keyword casing — all local.

Turn SQL INSERT statements into JSON rows — parsed locally in your browser.

Replace inline literals in a SQL query with parameters and extract their values — locally.

Explain cron expressions in plain English and preview upcoming run times locally.

Convert Unix timestamps and dates across UTC, local and world time zones — locally.

Explore dates: add/subtract, ISO week, day-of-year, leap year and diffs — locally.

Turn a JSON array of objects into an Excel (.xlsx) file, or read a spreadsheet back to JSON — locally.

Generate realistic fake data from a field schema and export as JSON, CSV or SQL — locally.

View and sort CSV data as a table — parsed locally in your browser.

Pretty-print or minify XML, with validation — all local.

Resize and compress images to JPEG/WebP/PNG in your browser — nothing is uploaded.

Preview a Base64/data-URI image, or turn an image into a Base64 data URI — locally.

Generate a QR code from text or a URL, with color and error-correction options — locally.

Generate barcodes (Code128, EAN, UPC, Code39 and more) from text — locally.

Make a solid/near-solid background transparent by color, with tolerance and soft edges — locally.

Percent-encode or decode text and URLs, component-wise or whole — all local.

Break a URL into protocol, host, path, query parameters and fragment — locally.

Build a URL query string from JSON parameters and parse one back to JSON — locally.

Look up HTTP status codes and MIME types with quick search — all local reference.

Validate YAML, Docker Compose and Kubernetes manifests for structure and common mistakes — locally.

Explore an OpenAPI/Swagger spec (JSON or YAML) and generate C# models from its schemas — locally.

Format JavaScript, TypeScript, CSS, SCSS, HTML, JSON, YAML and Markdown with Prettier — locally.