JSON Tools - Online Utilities for Data Processing

Data & Tables

AI Data Normalizer

AI-powered data format normalization tool that intelligently cleans and standardizes messy data using advanced AI analysis

AI & Generators

Receipt & Invoice OCR Recognition

Extract key information from receipt/invoice images and convert to custom JSON format using AI vision models

AI & Generators

AI ID Card OCR Recognition

Extract key information from ID card images and convert to JSON format using AI vision models for free

Developer & Web

API Response Contract Validator

Validate a real API response JSON against the response schema declared in an OpenAPI 3.x specification

Developer & Web

API Response Diff & Semantic Analyzer

Compare two API response payloads, highlight field-level diffs, and classify likely functional changes versus harmless runtime drift

Images, Audio & Video

Audio Silence Map

Output silence intervals as JSON and CSV

Conversion & Encoding

BSON Converter

Encode and decode data to/from BSON (Binary JSON) format

Design & Color

Color Token Cascade Generator

Turn one primary hex color into a full design-token cascade with primary, accent, neutral, semantic tokens, CSS variables, and Style Dictionary JSON

Conversion & Encoding

CSON to JSON Converter

Convert CSON (CoffeeScript Object Notation) data to JSON format

Security & Validation

CSV/JSON Data Watermarker

Inject visible or signature-style watermark fields into CSV or JSON exports so shared datasets can be traced later

Conversion & Encoding

CSV to JSON Converter

Convert CSV data to JSON format with customizable parsing options

Data & Tables

BOM Character Remover

Remove BOM (Byte Order Mark) characters from text and file content. Perfect for cleaning up text files that have encoding issues, fixing CSV imports, and preparing data for processing. Features: - Detect and remove UTF-8 BOM (EF BB BF) - Detect and remove UTF-16 BOM (FE FF or FF FE) - Detect and remove UTF-32 BOM (00 00 FE FF or FF FE 00 00) - Support multiple input formats - Visual BOM character display - Detailed detection report - Support for batch text processing Common Use Cases: - Fix CSV file import errors - Clean up text file encoding issues - Prepare data for JSON parsing - Fix XML parsing problems - Resolve API data encoding conflicts - Standardize text data format

Data & Tables

Data Normalizer

Pure code-based data format normalization tool that cleans and standardizes messy data using programmatic logic

Data & Tables

Dataset Imbalance Detector & Resampler

Detect class imbalance in CSV or JSON datasets, compare resampling strategies, and preview a balanced output dataset

Data & Tables

Dataset Quality Profiler

Profile CSV or JSON datasets for missing values, duplicate rows, format drift, type inference, and numeric outliers

Developer & Web

Distributed Trace Decoder & Waterfall Visualizer

Decode Jaeger, Zipkin, or OpenTelemetry trace JSON and render span timing, dependencies, and error hotspots as an interactive waterfall report

Conversion & Encoding

EDN to JSON Converter

Convert EDN (Extensible Data Notation) data to JSON format

Developer & Web

Encrypted PDF Converter

Open password-protected PDFs with OpenDataLoader and export them as Markdown, JSON, or text once the correct password is provided

Developer & Web

Environment Config Diff Visualizer

Compare dev, staging, and production configuration bundles across JSON, YAML, TOML, or ENV formats and highlight drift, missing keys, and cleanup suggestions

Conversion & Encoding

Excel to JSON Converter

Convert Excel file to JSON format, extracting data from the first worksheet

Documents & PDF

Fitness Workout PDF Generator

Generate a printable workout-plan PDF from JSON or CSV data with exercise tables, progress boxes, and optional QR video links

Conversion & Encoding

GraphQL to JSON Converter

Convert GraphQL query or response data to JSON format

Conversion & Encoding

HCL-JSON Converter

Convert between HashiCorp Configuration Language (HCL) and JSON formats for Terraform configurations

Math, Date & Finance

ICS Calendar Recurrence Rule Expander

Expand RRULE-based VEVENT recurrence into concrete occurrences and export them as JSON or a flattened ICS calendar

Security & Validation

ID Card Validator

Validate and analyze ID card numbers from various countries with detailed breakdown

Data & Tables

JSON Data Lineage Tracer

Trace JSON field paths, derived dependencies, and transformation history to build a field-level lineage graph

Data & Tables

JSON Flattener

Flatten nested JSON objects into key-value pairs with customizable delimiters and flattening strategies

Conversion & Encoding

JSON Formatter

Format and validate JSON data

Data & Tables

JSON Key Extractor

Extract all keys from JSON objects with multiple output formats. Perfect for analyzing JSON structure, documentation generation, and understanding complex nested objects.

Data & Tables

JSON Key Renamer

Batch rename JSON object keys with support for patterns, rules, and transformations. Perfect for API response formatting and data normalization.

Data & Tables

JSON File Merger

Merge multiple JSON files with various merging strategies (deep merge, overwrite, combine arrays, etc.)

Conversion & Encoding

JSON Patch Tool

Apply JSON Patch operations to JSON data (RFC 6902)

Data & Tables

JSON Path Extractor

Query JSON with JSONPath or JMESPath-style expressions, inspect matched paths, and highlight extracted values in the original document

Developer & Web

JSON Path Visualizer

Visualize JSON or JSONL as an expandable tree and copy JSONPath expressions for every node

Conversion & Encoding

JSON Pointer Tool

Navigate and extract values from JSON using JSON Pointer (RFC 6901)

Developer & Web

JSON Schema Generator

Infer JSON Schema from sample JSON, optionally merge manual schema edits, and validate data against the active schema

Developer & Web

JSON Schema to Zod Schema Converter

Convert JSON Schema JSON/YAML definitions into ready-to-use Zod schemas with nested objects, arrays, enums, and common validation rules

Security & Validation

JSON Schema Validator

Validate JSON against schema

Conversion & Encoding

JSON to CSON Converter

Convert JSON data to CSON (CoffeeScript Object Notation) format

Conversion & Encoding

JSON to CSV Converter

Convert JSON data to CSV format with customizable formatting options

Conversion & Encoding

JSON to EDN Converter

Convert JSON data to EDN (Extensible Data Notation) format

Conversion & Encoding

JSON to GraphQL Converter

Convert JSON data to GraphQL query format

Conversion & Encoding

JSON to Markdown

Convert JSON data to Markdown format

Conversion & Encoding

JSON to XML Converter

Convert JSON data to XML format with customizable formatting options

Data & Tables

JSON Unflattener

Convert flattened key-value pairs back to nested JSON objects with support for different key formats and data type inference

Conversion & Encoding

JSON Visualizer

Visualize and edit JSON data with interactive forms and real-time updates

Data & Tables

JSONata Query & Transform Studio

Preview JSONata-style queries and transformations, compare results across sample payloads, and export the transformed output as JSON, CSV, YAML, or Markdown

Developer & Web

JSONPath Query Tool

Query arbitrary JSON with JSONPath expressions, preview matches, switch output modes, and save reusable query templates

Security & Validation

JWT Decoder

Decode JWT tokens

Security & Validation

JWT Generator

Generate JWT tokens with custom claims and algorithms

Text & Writing

Markdown Table Generator

Generate formatted Markdown tables from CSV, JSON, or array data with alignment, header styles, width control, and merge hints

Conversion & Encoding

Markdown to JSON

Convert Markdown data to JSON format

AI & Generators

Mock Data Prefix / Abbreviation Conflict Detector

Detect visually confusing field names and prefix collisions in CSV, JSON, or schema inputs, then suggest clearer renames

Conversion & Encoding

Netrc Parser

Parse and convert Netrc file format to JSON

Data & Tables

Object Key-Value Converter

Convert between different object key-value formats and manipulate object structures

Developer & Web

OpenAPI to TypeScript Generator

Convert OpenAPI or Swagger JSON/YAML specs into TypeScript API types, request payloads, and response models with configurable output and naming styles

Documents & PDF

PDF AcroForm Filler

Fill standard PDF forms programmatically (text, checkbox, radio, dropdown/list) using JSON data injection

Developer & Web

PDF Page Range Extractor

Extract only selected PDF pages with OpenDataLoader and export the subset as Markdown, JSON, or text

Data & Tables

PDF Table Extractor to CSV/JSON

Extract tables from PDFs with OpenDataLoader and export them as structured JSON, flat CSV, or HTML tables

Developer & Web

PDF to JSON Structure Explorer

Extract structured OpenDataLoader JSON from a PDF and browse headings, paragraphs, tables, lists, pages, and bounding boxes in an explorer view

Data & Tables

Pivot Table Generator

Generate interactive pivot tables from CSV/JSON data with customizable row, column, and value field configurations

Conversion & Encoding

Pretty JSON Diff

Compare two JSON objects and display their differences in a readable format

Conversion & Encoding

Properties to JSON Converter

Convert Java Properties file format to JSON

Documents & PDF

Rich Text JSON to PDF

Convert TipTap, Quill, or Slate JSON exports into a styled PDF document

Conversion & Encoding

Smile Converter

Encode and decode data to/from Smile (binary JSON) format

Conversion & Encoding

SSH Config Parser

Parse and convert SSH configuration file to JSON format

Data & Tables

Structured Log Analyzer

Detect common log formats, extract core fields, infer field types, and export parsed logs as JSON, CSV, or SQL inserts

Developer & Web

Terraform Plan Visualizer

Parse Terraform plan JSON or text output, classify resource changes, and surface a dependency-oriented summary before apply

AI & Generators

Test Data Faker Builder

Generate structured test data from field configuration with support for faker fields, regex rules, credit cards, IDs, and batch export

Conversion & Encoding

Text to Excel Converter

Convert various text formats to Excel with customizable parsing and formatting options

Conversion & Encoding

Text to JSON Converter

Convert various text formats to JSON with customizable parsing options

Data & Tables

Time Series Anomaly Detector

Upload CSV or JSON time series data, detect anomalies with Z-Score and IQR methods, and return a chart-backed report

Data & Tables

Time Series Forecast & Seasonality Analyzer

Forecast future periods from CSV or JSON time-series data and inspect trend, seasonal, and residual decomposition in one report

Conversion & Encoding

TOML-JSON Converter

Convert between TOML and JSON formats with support for comments and complex data structures

Conversion & Encoding

UBJSON Converter

Encode and decode data to/from UBJSON (Universal Binary JSON) format

AI & Generators

Unlimited AI Multi-Language Title Translator

Professional AI-powered multi-language title translator for movies, TV shows, anime, games, and more with JSON output

Conversion & Encoding

XLSX API To Sheet

Fetch JSON from REST or GraphQL API and write mapped records into an Excel sheet with automatic pagination

Conversion & Encoding

XLSX JSON Transformer

Bidirectional conversion between JSON arrays and Excel sheets, with nested object flattening and restoration

Conversion & Encoding

XLSX Multi Sheet Splitter

Split a multi-sheet workbook into independent files by sheet name, with ZIP output

Conversion & Encoding

XLSX Range Extractor

Extract a specific sheet/range/named-range from Excel into JSON with coordinates or record objects

Conversion & Encoding

XLSX Sheet To JSON Schema

Infer JSON Schema from worksheet headers and sample rows with types, enum candidates, and basic constraints

Conversion & Encoding

XML to JSON Converter

Convert XML data to JSON format with customizable parsing options

Conversion & Encoding

YAML-JSON Converter

Convert between YAML and JSON formats

Conversion

174 Tools

Access 174 online conversion tools for files and data. Process formats securely on our servers with automatic file deletion after 6 hours.

Format Conversion

128 Tools

Convert between data structures and file formats including JSON, XML, CSV, and PDF. Secure server-side processing with automatic file deletion after 6 hours.

CSV

62 Tools

Access 62 professional CSV tools to convert, format, and manipulate comma-separated data. Secure server-side processing with automatic file deletion after 6 hours.

Data Processing

125 Tools

Access 125 online data processing tools for formatting, converting, and cleaning data. Secure server-side processing with automatic file deletion after 6 hours.

API

19 Tools

Access 19 professional API tools for formatting, validating, and converting data. Process requests on our secure servers with automatic file deletion.

Excel

52 Tools

Access 52 online tools for Excel, XLSX, and XLS files. Convert, format, and process spreadsheet data securely without software installation.