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Free Online Utilities & Tools

Convert audio, generate PDFs, create hashes, and more — all powered by QuickFlo workflows.

Audio Tools

6 tools

Audio Format Converter

Convert between 10 audio formats instantly

Audio Trimmer

Cut audio to the exact segment you need

Audio Silence Remover

Automatically strip dead air from recordings

Audio Metadata Inspector

Inspect format, duration, bitrate, and more

Audio Merger

Combine multiple audio files into one

Extract Audio from Video

Rip the audio track from any video

Document Tools

1 tools

HTML to PDF

Generate polished PDFs from HTML

Security & Dev Tools

7 tools

Hash Generator

MD5, SHA-256, SHA-512 in one click

Password Generator

Cryptographically secure passwords

HMAC Signature Generator

Webhook signature verification made easy

JWT Decoder

Decode and inspect JSON Web Tokens

QR Code Generator

Create a PNG QR code from any text or URL

Cron Expression Parser

Translate cron syntax + preview run times

HTTP Status Tester

Test any HTTP status code instantly

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