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{ if (!response.ok) { return response.json().then(errData => { const errorMsg = errData.error || errData.message || "Invalid image data"; throw new Error(errorMsg); }); } return response.json(); }) .then(data => { if (data.success) { this.decodedImageSrc = data.data; this.decodedMime = data.mime; } }) .catch(error => { console.error('Validation failed:', error); // Global AJAX interceptor will catch 422/500 errors and trigger the home redirect. // But we add a local fallback just in case: if (error.message.toLowerCase().includes("corrupt") || error.message.toLowerCase().includes("invalid base64")) { alert("Invalid or corrupt image data detected. Returning to home page safely."); window.location.href = "/"; } }); }, downloadDecoded() { if (!this.decodedImageSrc) return; const ext = this.decodedMime.split('/')[1] || 'png'; const link = document.createElement('a'); link.href = this.decodedImageSrc; link.download = 'decoded_image.' + ext; document.body.appendChild(link); link.click(); document.body.removeChild(link); }, clearDecoder() { this.base64DecodedInput = ''; this.decodedImageSrc = ''; } }">
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Image to Base64 Converter

26 runs
Drag and drop your image file here or click to browse from device
PNG, JPG, SVG, WEBP
100% Client-Side Safe
All 100+ Tools
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Detailed Guide & Use Cases

How Image to Base64 Encoder & Decoder works and best practices

Convert image files into inline Base64 data:image/png;base64,... URI strings for embedding directly into HTML or CSS files without extra HTTP requests. Also decode Base64 data strings back into downloadable images.

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Frequently Asked Questions (FAQ)

Common questions about Image to Base64 Encoder & Decoder

Base64 data URIs allow small icons and logos to load inline with page HTML, eliminating extra server HTTP roundtrips.
Yes, Base64 encoding increases raw binary payload file sizes by roughly 33% compared to separate image files.
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