ConverTools
Small, privacy-first utilities that run 100% in your browser. No tracking, no servers.
ASCII Table
ASCII table and character codes reference
ASMR
ASMR mini games for relaxation
Base64
Encode / decode text or files. Fully client-side, no data uploaded
Date Time
Date Time converters and utilities
Emojis Reference
Emoji picker and search tool
JSON
Free online JSON utilities. Fully client-side, no data uploaded
UUID
Generate UUIDs version 4
Hash Tools
Generate secure hashes and HMAC (SHA256, SHA512, MD5). Fully client-side, no data uploaded
Unit Converter
Length, weight, temperature
GIF Tools
Generate GIF and more. Fully client-side, no data uploaded
Image Tools
Convert, resize, format. Fully client-side, no data uploaded
Math Tools
Practical math utilities and calculators
Meme Creator
Create memes from your images. Fully client-side, no data uploaded
RSA Encryption
Generate keys, encrypt/decrypt
SQL Playground
Query CSV, JSON & Parquet files instantly. Fully client-side, no data uploaded
JSON Web Token
Decode and verify JWTs. Fully client-side, no data uploaded
QR and BarCode Tools
Free online QR and barcodes tools. Fully client-side, no data uploaded.
Video Tools
Free online video tools. Fully client-side, no data uploaded
World Clock
Analog clocks for major world capitals