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iOS product

Added March 29, 2026

Opustools - Compress, resize, and convert images, Audio, PDF, Video online.

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About the product

OpusTools is a lightweight online tool that helps you convert, compress, and download audio or video files using the Opus codec—right from your browser. No installs, no ads, no bloat. You just drag in a file, set a few quality options, and download the result in seconds. It works entirely client-side, so your media never gets uploaded or stored anywhere. I built it because most converters I found were either filled with ads, required installing sketchy software, or had annoying usage limits. I wanted something simple, fast, and privacy-friendly. I use it for reducing audio file sizes when sharing clips on platforms like Telegram or WhatsApp, and it’s also great for podcast audio, game assets, or compressing background music for web apps. The Opus codec delivers great quality at small sizes.
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For product owners

Promote Opustools

Every listing gets one post to our X and Threads followers. It is seen once, then the traffic stops. Promotion keeps Opustools in front of people instead.

  • Back in the X and Threads rotation. Opustools gets posted again instead of once.
  • A promoted slot on the AppRater homepage, carrying a Promoted badge.
  • A labelled spot in the weekly email to AppRater subscribers, one promoted app per issue.
  • Stays on the first screen however old the listing is, while new submissions push everything else down.

Monthly promotion

$14USD per month

Card, Apple Pay and more, through Whop. Starts straight away.

  • Cancel any time from the Whop account you paid with, or email [email protected] and we will do it.
  • The promotion starts straight away, no waiting on us.
  • Whop handles the checkout. We never see your card.

Questions first? Email [email protected].

For ownersOwn Opustools? Add a deal or post a role, and it shows up right here.

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