EffiRoomYour Digital Efficiency RoomEffiRoom.com keeps office, developer, and AI utilities in one focused workspace.
Encoding & Security
URL Encoder Decoder
Encode and decode URL percent-escaped text locally
Base64 Text Encoder Decoder
Convert Unicode text and Base64 locally
JWT Decoder
Decode JWT header and payload locally
UUID/GUID Generator
Generate UUID v4 values in batch
SHA Hash Generator
Generate SHA-256 and SHA-512 text hashes
HTML Entity Encoder Decoder
Convert HTML special characters and entities
Password Generator Strength Checker
Generate passwords with browser secure randomness and estimate strength
HMAC Signature Generator
Generate HMAC signatures locally with multiple encodings
Multi Hash Checksum Generator
Generate SHA and CRC32 digests for text or files
Base64 File Image Encoder Decoder
Encode and decode files, images and text as Base64
QR Code Generator
Generate QR codes for text and links locally
QR Code Reader
Read QR code images locally in the browser
Barcode Generator
Generate downloadable barcode SVG files
Barcode Reader
Read barcode images locally in the browser