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Free Audio Converter — Convert Audio Files in Your Browser Without Uploading
Convert audio files between MP3, WAV, OGG, FLAC, and more — all client-side. No uploads, no accounts, completely private.
Having issues with buttons or file uploads? If tools aren't responding, please or press Ctrl+F5 (or Cmd+R on Mac).
Tag: offline
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Add Watermark to Images Free — Browser-Based, No Upload Needed
Add text or image watermarks to your photos directly in your browser. Completely private — no uploads, works offline, and free for any number of images.
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Free Base64 Encoder & Decoder — Works Offline, No Data Leaves Your Browser
Encode and decode Base64 strings instantly in your browser. No uploads, no servers, no tracking — 100% private and works offline.
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Compress Images Free Online — Reduce File Size Without Losing Quality
Compress JPEG, PNG, and WebP images directly in your browser. No uploads, no servers — all compression runs locally for complete privacy.
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Compress PDF Free — Reduce PDF Size in Your Browser Without Uploading
Shrink large PDF files without uploading them anywhere. Our browser-based PDF compressor is free, private, and works offline.
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AI Token Counter — Count Tokens for GPT, Claude, and Gemini for Free
Count tokens in your prompts before sending them to OpenAI, Anthropic, or Google APIs. Estimate costs and stay within context limits. Runs entirely in your browser.