File Diff Checker

Upload two versions of the same file and see exactly what changed. Added lines are highlighted in green, removed lines in red. Perfect for comparing configuration files, JSON payloads, or code snippets completely offline.

Seus arquivos nunca saem do seu dispositivo. Processados localmente. 100% privado.

Unlocking Tool Engine...

Como usar File Diff Checker

Conclua sua tarefa perfeitamente em apenas três etapas simples.

Upload Original File

Upload the older or original version of your text file (JSON, XML, CSV, code, etc.).

Upload Modified File

Upload the newer or modified version of the same file to compare against the original.

View Differences

Instantly see exactly what changed. Added lines are highlighted in green, and removed lines in red. No data leaves your browser.

Perguntas Frequentes

Tudo o que você precisa saber sobre o File Diff Checker.

Is this secure? Are my files uploaded to a server?

No files are uploaded anywhere. The diff checking process runs entirely locally in your browser. This makes it 100% secure for comparing sensitive configuration files, code, or private data.

What file types are supported?

Any plain text format is supported, including JSON, XML, YAML, HTML, Markdown, CSV, and source code files (.js, .ts, .py, etc.).

Can I view the diff side-by-side?

Yes, you can toggle between a Unified view (inline) and a Side-by-Side view depending on your preference.