Decode a log escape
Read escaped text from server logs or diagnostic output.
\u0048\u0069HiFree browser tool for logs, code, JSON, and broken text
ASCII to Unicode Converter
Decode ASCII-safe escapes like \u0048, HTML entities, U+1F680, hex bytes, and mojibake into readable Unicode. Encode text back into Unicode formats without leaving this page.
No signup
Free online conversion
Interactive tool
Convert ASCII-safe text to Unicode in one page
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Output format
The format selector is used when encoding readable text into escapes or entities.
Before and after
Readable Unicode from ASCII-safe text
A good converter should show the result immediately, keep users on the same URL, and make the page useful before any long explanation begins.
Landing page content rendered in HTML
What Is an ASCII to Unicode Converter?
An ASCII to Unicode converter turns ASCII-safe representations of text into the real Unicode characters people expect to read. Developers often see these escaped forms in JSON, logs, configuration files, databases, browser output, and API payloads.
This page keeps the converter, explanation, examples, supported formats, and FAQ on the same canonical URL so you can solve the problem without jumping between pages.
How to Convert ASCII to Unicode
Paste the text you have, choose the mode that matches the problem, and convert in place. The result appears without opening a separate result page.
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Paste escaped or broken text
Use Unicode escapes, HTML entities, U+ notation, hex bytes, or mojibake copied from a log, API, JSON file, or old database export.
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Pick the right conversion mode
Decode to readable Unicode, encode readable text to escapes, convert HTML entities, or repair common mojibake.
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Copy or download the output
Keep the result in the page, copy it to the clipboard, or download a plain text file for later use.
Selected result showcase
ASCII to Unicode Converter Examples
These hand-picked examples act like a result display area. They show what the tool can produce without creating low-quality indexed user pages.
Decode JSON Unicode escapes
Turn JSON-safe strings back into readable multilingual text.
\u4F60\u597Dä½ å¥½Decode an HTML entity
Convert entity text copied from HTML into the visible symbol.
☃☃Decode an emoji code point
Use U+ notation for emoji and symbols outside basic ASCII.
U+1F680🚀Repair mojibake
Fix common UTF-8 text that was accidentally read as Latin-1.
cafécaféEncode readable text
Create Unicode escape formats for code, docs, or tests.
A☃😀\u0041\u2603\uD83D\uDE00Supported ASCII and Unicode Formats
The converter focuses on formats people actually meet while debugging, parsing, and moving text across systems.
Unicode escapes
\u0048, \u{1F600}, \uD83D\uDE00, %u4F60, and U+1F680.
HTML entities
☃ and ☃ decode to readable symbols and can also be generated from input text.
Hex byte escapes
\xE2\x98\x80 style byte sequences are decoded as UTF-8 when they form valid byte runs.
Mojibake text
Common broken strings such as café can be reconstructed when the original bytes were UTF-8.
Common Use Cases
A single converter page should satisfy both quick tool intent and deeper search intent. These are the main situations this page is built for.
Logs and diagnostics
Decode escaped payloads so error messages, names, emoji, and symbols become readable during debugging.
APIs and JSON
Understand text returned by services that escape non-ASCII characters for transport or compatibility.
HTML cleanup
Convert numeric entities into real characters before editing or publishing content.
Test data and code
Generate stable escape strings for fixtures, snapshots, docs, and cross-language examples.
ASCII vs Unicode vs UTF-8
ASCII is a small character set for basic English letters, digits, and control characters. Unicode is the character standard that covers modern writing systems, emoji, symbols, and more. UTF-8 is a common way to store Unicode as bytes.
Many confusing strings happen when bytes, characters, and escape formats are mixed. This tool helps you inspect the representation and recover the text you meant to read.
Questions people ask
ASCII to Unicode FAQ
What is an ASCII to Unicode converter?
It decodes ASCII-safe text representations such as Unicode escapes, HTML entities, and U+ codes into readable Unicode. It can also encode readable text back into those formats.
Does it support \uXXXX and emoji?
Yes. It supports \uXXXX, \u{1F600}, surrogate pairs such as \uD83D\uDE00, and U+ notation for emoji and symbols.
Can I decode HTML entities?
Yes. Numeric decimal and hexadecimal entities such as ☃ and ☃ can be decoded into visible Unicode characters.
Why does mojibake happen?
Mojibake often appears when UTF-8 bytes are interpreted as a different encoding. The repair mode tries to reconstruct the original UTF-8 text when that pattern is present.
Is the conversion private?
Yes. The converter runs locally in your browser. The page is designed so analytics can record events without recording your pasted text.
Will more related converters be added later?
Related converters may be added only when they solve a specific text conversion problem. This first version keeps the focus on ASCII to Unicode conversion.
Privacy Note
Your pasted text stays in your browser. The converter does not require an account, does not upload TXT files, and does not store conversion history on our server.
The language preference is saved locally in your browser. If analytics is added later, it should record action events such as convert, copy, and download without sending input or output text.
Read the Privacy PolicyAbout
ASCII to Unicode is a focused text conversion page for developers, writers, localization editors, QA testers, and operators who need readable Unicode from escaped or broken text.
The page is intentionally narrow: one converter, selected examples, supported formats, and practical explanations for common text encoding problems.
Terms
Use this tool for text inspection, debugging, content cleanup, and test data preparation. Verify important output before using it in production, legal, medical, or financial contexts.
You are responsible for the text you process and for following the rules of any system where the converted output is used.
Read the Terms of UseContact
For corrections, feature requests, accessibility issues, or privacy questions, contact: lisheng3698@gmail.com
When reporting a converter issue, include the conversion mode and expected output. Please do not include secrets or private text.
Open the Contact Page