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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).
The Blog
A statically generated blog example with news, tutorials, resources and other interesting content related to AstroWind
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Free Barcode Generator — Create Barcodes Instantly in Your Browser
Generate 1D and 2D barcodes for free without any account or upload. Works offline, fully client-side, and supports multiple barcode formats.
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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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Convert Images Free — JPEG, PNG, WebP, AVIF in Your Browser
Convert images between JPEG, PNG, WebP, AVIF, GIF, BMP, and more — instantly in your browser. No uploads, no waiting, completely private.
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Format AI Chat Prompts — Free Prompt Formatter for GPT, Claude, Gemini
Format multi-turn AI conversations with proper system, user, and assistant roles. Visualize, copy, and export prompts for any LLM — runs entirely in your browser.
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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.