브라우저 도구

Combine PDFs into one. Drag rows to set the order, then export.

Split a PDF into chunks by page ranges. Result bundled as a zip.

Reorder, rotate, and remove pages with a draggable thumbnail grid.

Combine .xlsx files vertically (stack rows) or horizontally (side-by-side).

Convert CSV to JSON. Handles quoted fields, custom delimiter, header row.

Convert array of objects to CSV. Auto-detect columns or pick fields.

Pretty-print, minify, and validate JSON. Detects errors with line numbers.

Bulk text find-and-replace with regex. Live preview, capture groups.

Compare two texts side-by-side. Highlights additions, removals, changes.

Test regular expressions live. Match list, capture groups, replace preview.

Generate UUID v4 (random) or v7 (time-sortable). Bulk count supported.

Strong passwords with custom length, character classes, exclusions.

SHA-1 / SHA-256 / SHA-384 / SHA-512 / MD5 of text or files (Web Crypto).

Encode and decode Base64 — text or files. Detects URL-safe variants.

Decode JWT header and payload. Inspect claims, expiration, algorithm.

Convert between Unix timestamps and ISO dates. Handles seconds and ms.

HEX ↔ RGB ↔ HSL. WCAG contrast checker for AA / AAA compliance.

Build campaign URLs with utm_source / medium / campaign. Copy or batch.