Client Side Tools

Convert sievert dose units between each other.

Generate Open Graph metadata data.

Build CURL requests.

Compose rsync commands with common SSH, sync, and filter options.

Validate and parse CURL commands.

View SVG images.

Convert CSV data to SQL INSERT statements with optional CREATE TABLE. Parse SQL INSERT statements back to CSV format.

View CSV data in a formatted table with sorting and filtering. Upload or paste CSV to visualize it in an interactive spreadsheet-like table.

Remove duplicate rows from CSV data. Keep first or last occurrence, ignore header row, and compare by all columns or first column only.

Extract specific columns from CSV data. Select which columns to keep using an interactive multi-select dropdown. Perfect for filtering large CSV files.

Validate number with Verhoeff algorithm.

Generate Verhoeff checksum for numbers.

Generate random numbers with valid Verhoeff checksums

Calculate the time difference between two dates.

Calculate business days between dates, excluding weekends and holidays.

Calculate warranty expiration dates based on purchase date and warranty period. Track remaining coverage time.

Encode and decode text using Base64 encoding

Encode and decode text using the Unix-to-Unix encoding (uuencode) format.

Convert numbers between Arabic numerals (1, 2, 3...) and Roman numerals (I, II, III...).

Convert decimals to fractions and fractions back to decimals.

Automatically repair and fix malformed JSON data. Corrects common JSON syntax errors like missing quotes, trailing commas, unescaped characters, concatenated strings, comments, and more. Instantly validates and formats broken JSON into valid, properly structured output.

Paste JSON and test JSONPath expressions interactively. See matching results in real time, with example paths to get started quickly.

Count the number of elements in a JSON array.

Count the number of properties in a JSON object.