Chuyển đổi hình ảnh sang Base64

Image to Base64: converts PNG, JPG, WebP images to Data URLs with preview. Supports batch processing, export and one-click copy, offline use.

Cách sử dụng

Chọn hoặc kéo thả một hình ảnh, nhận ngay Base64 Data URL và xem trước, có thể sao chép chỉ với một cú nhấp chuột.

Overview

Image to Base64 is a image tool that Image to Base64: converts PNG, JPG, WebP images to Data URLs with preview. Supports batch processing, export and one-click copy, offline use. It runs 100% in your browser with no upload, so you get instant results with privacy. Whether you need a quick answer or batch processing with precise control, you can enter, validate and export in seconds. The UI is responsive on mobile, tablet and desktop and supports one-click copy.

Use cases

  • Check DPI and color mode for print
  • Batch convert PNG/JPG/WebP
  • Crop/compress for social
  • Generate placeholders and watermarks
  • Use it to cross-check “图片转base64、image to base64” in reports, docs or APIs to avoid manual conversion errors

How to use

  1. 1 Drop images
  2. 2 Adjust size/quality/format
  3. 3 Compare before/after
  4. 4 Download or copy link

Highlights

  • Local & private: processing stays in your browser
  • Live validation with tolerant parsing
  • One-click copy and export for docs, code or sheets
  • Batch and offline support under poor network

Notes

  • Quality 70-85 balances size and fidelity
  • Process large images in batches
  • JPG drops alpha

FAQ

Batch?
Yes, multi-select or folder drop.
Uploaded?
No, processing is local.
How is Image to Base64 different?
It runs locally with a focus on speed and privacy, plus tolerant parsing for “图片转base64、image to base64” and one-click copy for reuse.
Can I use results in official reports?
Use it as a working draft and cross-check with authoritative sources; keep the exported log and parameters for traceability.
Tip:Tip: Bookmark this page or pin the tab; find related tools via categories and search (convert → calculate → export).

All calculations run locally in your browser; nothing is uploaded.