RividTechCSV, TSV, JSON & Excel tools
Free CSV online tools for Excel to CSV conversion, converting CSV to Excel, csvtojson, and CSV view — plus TSV, JSON, and SQL. Everything runs in your browser with RividTech; nothing is uploaded.
Converters
CSV format online converters — Excel to CSV, CSV format to Excel, csvtojson, plus TSV, Markdown, HTML, and SQL
CSV to TSV
Convert comma-separated values to tab-separated values
CSV to JSON
Free csvtojson converter — CSV data to a JSON array of objects
CSV to SQL
Generate CREATE TABLE and SQL INSERT statements from CSV
CSV to Excel
Converting CSV to Excel — CSV format to Excel (.xlsx) workbook
CSV to Markdown
Convert CSV into a GitHub-style markdown table
CSV to HTML
Convert CSV into an HTML table (snippet, full page, or Gmail paste)
TSV to CSV
Convert tab-separated values to comma-separated values
TSV to JSON
Convert TSV data into a JSON array of objects
TSV to SQL
Generate CREATE TABLE and SQL INSERT statements from TSV
TSV to Excel
Convert TSV data into an Excel (.xlsx) workbook
TSV to Markdown
Convert TSV into a GitHub-style markdown table
TSV to HTML
Convert TSV into an HTML table (snippet, full page, or Gmail paste)
JSON to CSV
Convert a JSON array of objects to CSV
JSON to TSV
Convert a JSON array of objects to TSV
JSON to SQL
Generate CREATE TABLE and SQL INSERT statements from JSON
JSON to Excel
Convert a JSON array of objects to Excel (.xlsx)
JSON to Markdown
Convert a JSON array of objects into a GitHub-style markdown table
JSON to HTML
Convert a JSON array of objects into an HTML table (snippet, full page, or Gmail paste)
Excel to CSV
Excel to CSV conversion — export an Excel sheet to CSV
Excel to JSON
Convert an Excel workbook sheet to JSON
Markdown to CSV
Convert a markdown table into CSV
Clean & transform
Deduplicate, merge, split, validate, pivot, sample, and tidy data
Remove Duplicates
Deduplicate rows with trim, case options, column keys, and A–Z sort
Data Process
Explore data with search, sort, filters, column reorder, and hide
Fix Delimiter
Detect comma/semicolon/tab/pipe, strip BOM, normalize line endings
Merge CSV
Stack multiple CSVs or join on a key column
Split CSV
Split a CSV by row count or by column value
Column Tools
Rename, drop, reorder, fill, split, combine, and cast columns
Find & Replace
Find and replace text across columns with optional regex
Flatten JSON
Flatten nested JSON to a table or nest dotted keys back
Validate CSV
Check required fields, uniqueness, email/URL/number patterns
Diff CSV
Compare two CSVs by key: added, removed, and changed rows
Sample Data
Take head, tail, or random sample rows from a dataset
Pivot / Unpivot
Pivot columns with aggregates or melt wide data to long
Data Stats
Row/column counts, empties, uniques, min/max, and type inference
Sitemap to CSV
Convert an XML sitemap or sitemap index into CSV URLs
Previews
Open CSV, TSV, or JSON as an interactive table — with screenshot export
CSV Preview
CSV view online — preview as a table, copy or download a screenshot
TSV Preview
Preview TSV data as an interactive table
JSON Preview
Preview JSON array data as an interactive table
Markdown Preview
Live Markdown preview (GFM) — headings, lists, code, tables, and more
Formatters
Pretty-print or minify JSON and HTML in your browser
Encode & decode
URL encoding, HTML entities, and Base64 — encode or decode instantly