Formats and beautifies content with proper indentation, consistent spacing, and readable structure for improved code clarity.
Content reviewed October 2026 · About Toolzum
Convert between tab-separated and comma-separated values with proper quoting. Move data between Unix tools and Excel cleanly — local conversion, free, no signup.
Clean messy CSVs — trim whitespace, fix encodings, deduplicate rows, standardize blanks. Make client exports analysis-ready — local processing, free, no signup.
Turn messy client CSV and Excel sheets into clean JSON arrays or keyed objects with column mapping. Developers convert 50 exports without hand-editing — local SheetJS work, 2 free batches a day.
Full photo editor in your browser: crop, rotate, flip, resize, tune brightness/contrast/saturation/warmth, auto-fix, annotate with text/shapes/draw/blur, HEIC input, shrink-to-target-size, metadata-strip toggle, and PNG/JPG/WebP export. Parametric undo, hold-to-compare — free, no signup, nothing uploads.
Sketch-style photos in your browser: opens with grayscale + contrast styling applied — tune, annotate, and export PNG/JPG. An honest filter look (not AI line-art), free, no signup, nothing uploads.
Delimiters (comma/semicolon/tab), quote style, line endings (CRLF/LF), and BOM presence — the four Excel-mangling culprits.
Semicolon-delimited with comma decimals convert cleanly to standard form. Specify source dialect before formatting.
Yes — ragged rows (wrong column counts) flag with line numbers. Fix source exports rather than patching output.
No — formatting runs locally in your browser. Data never leaves your device.
CSV to NDJSON
Convert CSV rows to newline-delimited JSON for streaming pipelines and log systems. Feed Kafka without reformatting — local conversion, free, no signup.
CSV Row / JSON Generator
Generate random CSV rows or JSON lines for fixtures and tests — pick a format and row count. Seed mock data fast — local generation, free, no signup.
CSV to Markdown Table
Convert CSV data into GitHub-flavored Markdown tables for docs and README files. Files are converted locally in your browser — nothing is uploaded.
CSV ↔ HTML Table Converter
Bidirectional converter between CSV data and HTML table markup with live preview. Files are converted locally in your browser — nothing is uploaded.