🛠️ Utilities
General-purpose file utilities that run entirely in your browser. Format and minify structured data, detect file types, and identify financial formats — no installation, no server uploads.
{ } JSON Tools
2 toolsJSON Formatter
Paste or upload JSON to pretty-print it with clean indentation. Validates the input and shows parse errors clearly.
→JSON Minifier
Minify valid JSON by removing all unnecessary whitespace. Shows input vs output size so you can see the reduction.
→</> XML Tools
2 toolsXML Formatter
Pretty-print XML with readable indentation. Uses the browser's native DOMParser to validate before formatting.
→XML Minifier
Strip whitespace from XML safely while preserving valid structure. Shows byte savings as a percentage.
→🔍 File Detection
2 toolsFile Type Detector
Upload any file to identify its type by extension and byte signature. Supports CSV, JSON, XML, Excel, DBF, OFX, QFX, QBO, MT940, IIF, SQLite, DuckDB, and Parquet.
→Financial File Detector
Identify OFX, QFX, QBO, MT940, and IIF files using deterministic content inspection. Shows every matched indicator and links to the right viewer or converter.
→100% Private
Your files are never uploaded anywhere. All processing runs locally inside your browser tab using JavaScript.
No Install Required
Open any modern browser and start immediately. No software to download, no account, no subscription.
Deterministic Results
File detection uses defined signatures and rules — not AI or heuristics — so results are consistent and explainable.