File Encoding Converter - UTF-8, UTF-16, GB18030, Big5
Developer & Encoding
4.1
Active
Convert text files between UTF-8, UTF-16, GB18030 and Big5 encodings. Free, no signup.
Updated Feb 3
Use Tool
Tool Interface
1. Upload a text file
Drop a text file here or click to browse
TXT, CSV, SRT, HTML, code files — anything text-based. Stays in your browser.
2. Preview
How to use
- Upload a text file — drag and drop or click to browse.
- Pick the source encoding — leave Auto-detect on if you are not sure; it sniffs the byte-order mark and falls back gracefully.
- Choose the target encoding — UTF-8 for universal compatibility, UTF-16 for Windows apps that expect it.
- Convert and Download — preview the decoded text first, then save the converted file.
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About This Tool
About This Tool
The File Encoding Converter changes the character encoding of text files — for example from GB18030 or Big5 to UTF-8 — entirely in your browser. It auto-detects the source encoding from the byte-order mark and shows a preview before converting.
Key Features
- Source encodings: UTF-8, UTF-16 LE/BE, GB18030, Big5, Windows-1252, plus auto-detect
- Convert to UTF-8 or UTF-16 with proper byte-order marks
- Live text preview with detected encoding shown
- Fixes garbled mojibake text from mismatched encodings
- 100 percent local processing, files never leave the browser
How to Use
- Upload a text file by drag and drop or browsing.
- Leave source on Auto-detect or pick the encoding manually.
- Choose the target encoding.
- Preview the result, then click Convert and Download.
Category: Developer & Encoding
Tool Information
Category
Developer & Encoding
Updated
Feb 3
Status
Active
Rating
4.1
Type
Free Tool
13,910 people used this tool
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