Felo

Slang Text Substitution Translator Online

Swap English words and short phrases with common internet-slang abbreviations, or reverse slang back to English, using a fixed documented pair list. Unlike a black-box novelty page, it shows exactly which pairs it applies, states its matching rules, and preserves every word it does not recognize. Try it online.

What is Slang Text Substitution Translator Online?

Slang Text Substitution Translator Online is a small, transparent text swapper. It takes English words and short phrases and replaces the ones on a fixed list with their internet-slang counterparts, such as turning "what are you doing" into "wut r u doing". It also runs in reverse, turning slang abbreviations back into their English forms. The vocabulary is deliberately short and fully published, so you always know what will change and what will stay the same.

Key Features

Bidirectional swapping. Send English to get slang, or send slang to get English. The direction is detected from the text, or you can state it explicitly. When direction is ambiguous or no listed tokens are recognized, the tool defaults to English-to-slang and states that assumption.
Published pair list. The tool applies exactly these pairs: ha→lol, haha→LOL, he→omg, hehe→OMG, be right back→brb, be back in a second→brb, what→wut, just kidding→jk, why→y, am→m, are→r, you→u, this→dis, plus the word forms ha ha→LOL and he he→OMG.
Whole-word matching. Matches only complete words and phrases, so "you" changes but "your" and "youth" do not.
Preservation check. Anything not on the list is returned unchanged, and the tool tells you which tokens it left alone.
Copyable output. Results arrive in a plain code block you can copy straight into a message or post.

How to Use

Type or paste your English or slang text into the chat. For example: "what are you doing, just kidding, be right back".
Say which direction you want if it is not obvious, such as "to slang" or "to English". If you say nothing, the tool infers direction from the words it recognizes.
Read the converted text in the code block, then ask for a tweak if you want a different casing or a narrower set of pairs.

Example Use Cases

Turning a casual message into slang shorthand. Input "what are you doing, be right back" becomes "wut r u doing, brb".
Decoding slang abbreviations back to English. Input "brb, jk, wut" becomes "be right back, just kidding, what".
Checking which words a slang text substitution translator will actually change. Paste a longer paragraph and see the converted text plus the list of untouched words, so you know the limits before you send it.

Tips for Best Results

Keep expectations matched to the list. This is a fixed substitution tool, not a full slang dictionary, so words outside the list stay as written.
If a word could go either way, state the direction explicitly, for example "convert to slang only".
Ask for the mapping table if you want to see every pair before converting a long text.

FAQ

What input format does it accept?
Plain text in the chat box. There is no file upload. Very long texts are converted in full but presented in labeled sections.

How accurate is the result?
It is exact for the published pairs and deterministic: the same input always gives the same output. It is not a general slang translator, so words outside the list are preserved rather than guessed.

How is this different from some free text tools?
This tool publishes its full pair list, states its whole-word matching rule, and reports what it left untouched, so you can see exactly what will change.

Can it translate other languages or regional slang?
No. It only handles the documented English and internet-slang pairs.