Conversor de caso de texto

Converter texto entre maiúsculas, minúsculas, camelCase, snake_case, kebab-case e mais

Fix broken capitalization instantly without retyping. Paste once, choose target style, and copy clean output.

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Formatos de caso
Converter em 14+ estilos de texto
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Caracteres de entrada
Rastrear o comprimento do texto instantaneamente
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Conversão ativa
Mostra o último formato selecionado
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Conversões
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Converter texto para escrita, codificação, convenções de nomeação, formatação SEO e limpeza de conteúdo com uma ampla gama de estilos de caso.

Escrita e edição

Corrigir rapidamente cabeçalhos, títulos, parágrafos e formatação de sentenças sem editar manualmente o texto.
Útil para desenvolvedores
Useful for developers
Gerar camelCase, PascalCase, snake_case, kebab-case e CONSTANT_CASE para variáveis e nomes de arquivos.
Conversões instantâneas
Alternar entre vários estilos de caso em um clique e comparar o resultado imediatamente.
Copiar ou baixar
Copiar o resultado convertido para a área de transferência ou baixá-lo como um arquivo de texto simples.

Related tools

Fix broken capitalization in seconds. Convert text between uppercase, lowercase, title case, sentence case, camelCase, and more without retyping.

What Is a Text Case Converter?

A text case converter transforms capitalization styles in existing text. Instead of manual editing, it applies deterministic rules to every character.

This is useful for emails, headings, CSV exports, code identifiers, and copied text with accidental CAPS LOCK.

SnapToolsOnline supports many case formats and keeps your content local in the browser.

Supported Conversion Types

TypeTypical output styleCommon use
Uppercase / LowercaseALL CAPS or all lowercaseQuick cleanup
Sentence / Title caseNatural headline or sentence styleArticles and docs
camelCase / PascalCasedeveloperNamingStyleCode variables and classes
snake_case / kebab-case / dot.caseword_delimitersFiles, URLs, configs
Toggle / InversemIXeD transformationsRepair mistyped text

How to Use the Converter

  1. Paste your source text into the input panel.
  2. Choose a conversion type from the available buttons.
  3. Review the output panel instantly after conversion.
  4. Copy or download the converted result.

Line breaks, punctuation, numbers, and symbols are preserved while letter case is transformed.

Use Case 1: Fix accidental CAPS email

A support reply typed with Caps Lock can be normalized to sentence case in one click, avoiding manual rewrite.

Use Case 2: Convert naming style for code

Developers can switch identifiers between camelCase, snake_case, and kebab-case when moving data between APIs and config files.

Common Mistakes

MistakeWhy it happensFix
Wrong target formatMany options look similarPreview output before copying
Converting partial snippetsOnly selected text changedPaste full block first
Expecting grammar correctionTool changes case, not meaningProofread after conversion
Forgetting code sensitivitySome systems are case-sensitiveValidate identifiers after conversion

Advanced Tips

  • Use sample text button to verify behavior for each case type.
  • For titles, compare title case and sentence case before publishing.
  • When converting long text, copy output immediately to avoid accidental overwrite.
  • For code migration, test converted keys in your runtime before deploy.

Alternatives

MethodBest forLimitation
Word processor shortcutSimple uppercase/lowercaseLimited formats
Spreadsheet formulasBulk table operationsMore setup
Custom scriptsAutomated pipelinesRequires coding
SnapToolsOnlineFast manual conversionBrowser-based workflow

Paste text above, choose your target format, and copy the corrected result in one click.

FAQ

What is a text case converter?
A tool that changes capitalization style in existing text without retyping.
Is this converter free?
Yes. It is free and does not require signup.
Does it work on mobile?
Yes, it works in modern mobile and desktop browsers.
Will line breaks be preserved?
Yes, line breaks and spacing are preserved in conversion output.
Can I convert to camelCase and snake_case?
Yes, both are supported alongside many other formats.
Does the tool store my text?
No. Processing runs locally in your browser.
What is the difference between title case and sentence case?
Title case capitalizes major words; sentence case capitalizes sentence starts.
Can I download converted text?
Yes, you can export the result directly from the tool.
Can this fix grammar errors?
No. It changes capitalization only.
Can I use it for code naming formats?
Yes, it supports common developer naming conventions.
Text Case Converter - Change Case in One Click | SnapToolsOnline