All tools
Search and filter the FlowToolkit catalogue. Every tool runs in your browser.
CSV Splitter
Split large CSV files into chunks by row count or size.
JSON Formatter
Beautify, minify, and validate JSON instantly.
Unit Converter
Convert length, mass, temperature, volume, and more.
BMI Calculator
Calculate Body Mass Index with metric or imperial units.
Sitemap Generator
Build a valid sitemap.xml from a URL list.
Robots.txt Generator
Compose a robots.txt with rules and AI crawler controls.
Image Studio
Resize, crop, compress, convert format, and remove background — all in your browser.
Code Converter
Rule-based JavaScript ↔ Python syntax translation.
PDF Editor
Merge, split, reorder, rotate, and preview PDF pages — all in your browser.
QR & Barcode Generator
Generate URL, WiFi, WhatsApp, email QR codes and CODE128/EAN/UPC barcodes.
SQL Formatter
Format and prettify SQL for MySQL, Postgres, SQLite, BigQuery, and 7 more dialects.
UUID Generator
Generate UUID v4, time-sortable UUID v7, and Nano IDs in bulk.
Base64 Encoder / Decoder
Encode and decode Base64 text and files, with optional URL-safe variant.
Word Counter
Live word, character, sentence, reading-time, and readability stats.
Case Converter
Convert between 14 case styles — camel, snake, kebab, Pascal, and more.