Convert data between JSON, CSV, XML, YAML, and TSV with structure preserved. Migrate configs across stacks without rewriting — local PapaParse/xml2js/yaml parsing, free, no signup.
Runs on SheetJS
Convert TOML configs to and from JSON/YAML — Cargo, pyproject, and app settings. Migrate Rust configs cleanly — local parsing, free, no signup.
Convert INI files to JSON objects and back — legacy configs to modern tooling. Migrate .ini without hand-editing — local parsing, free, no signup.
Convert between tab-separated and comma-separated values with proper quoting. Move data between Unix tools and Excel cleanly — local conversion, free, no signup.
Convert lists between comma, newline, pipe, tab, semicolon, and space delimiters. Move data across tools without reformatting — free, local, no signup.
Convert GraphQL schema definitions to JSON Schema format. Bridge the gap between GraphQL and REST tooling ecosystems. Types map with validation preserved — free, local, no signup.
Any pair across JSON, CSV, XML, YAML, and TSV — no TOML. CSV/TSV parse with headers and skipped blanks; XML parses with single elements unwrapped and attributes merged (explicitArray off, mergeAttrs on); same-format XML passes through untouched.
Numbers, booleans, and nulls map correctly; dates become strings (no date type in JSON). Verify date handling per target.
Thousand-line Kubernetes manifests convert in seconds locally. Split multi-document YAML streams first.
No — parsing runs locally in your browser. Configs never leave your device.
YAML ↔ JSON Converter
Bidirectional YAML to JSON and JSON to YAML conversion with auto-format detection and real-time preview. Perfect for configuration files, API payloads, and data migration.
CSV to JSON
Converts CSV files to JSON format — spreadsheets, database exports, and data imports to APIs, configuration files, and data exchange between web services. All conversion happens locally in your browser with no file size limits.
TOML Converter
Convert TOML configs to and from JSON/YAML — Cargo, pyproject, and app settings. Migrate Rust configs cleanly — local parsing, free, no signup.
Data Type Converter
Convert values between string, number, boolean, array, and object types with validation. Fix API type mismatches fast — local conversion, free, no signup.
CSV Format Validator
Validate CSV structure — flag rows with wrong column counts and empty cells before import. Catch bad rows locally — free, no signup.
CSV Pivot Generator
Pivot CSV rows into summary tables — group, count, and sum without spreadsheets. Summarize 10k sales rows by region instantly — local pivoting, free, no signup.
Last updated October 2026