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The most frequently bookmarked tools by our users

Image Compressor

Compress JPG, PNG, and WebP images by up to 80% without losing quality.
Merge PDF

Combine multiple PDF files into one clean document instantly.
Word Counter

Count words, characters, sentences, paragraphs, and reading time in real time.
JSON Formatter

Format, validate, beautify, and minify raw JSON string inputs.
Password Generator

Generate secure, cryptographically random passwords with custom symbols.
QR Code Generator

Create custom QR codes for URLs, text, Wi-Fi, and contact details.
JPG to PDF

Convert JPG and PNG images into a clean single PDF file.
Case Converter

Convert text to UPPERCASE, lowercase, Title Case, camelCase, and snake_case.
Base64 Encoder

Encode text or images into standard Base64 format strings.
Percentage Calculator

Calculate percentage of values, percentage differences, and changes easily.
Color Picker

Pick colors from screen or image and export HEX, RGB, and HSL formats.
SERP Preview Tool

Simulate how your meta title and description appear in Google search results.

Why Choose TinyToolzz?

Built from the ground up for radical speed, privacy, and simplicity

Privacy First
Your files never leave your device. All processing occurs 100% locally in your web browser.
Lightning Fast
No server uploads or queues. Execution starts instantly and returns results in milliseconds.
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No subscription tiers, daily task limits, or hidden paywalls. 100% free forever for everyone.
Works on Any Device
Fully optimized for smartphones, tablets, laptops, and desktop viewports.
150+ Tools
A complete utility suite for images, PDFs, developer tasks, text, calculators, and converters.
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No artificial processing delays, fake progress bars, or deceptive sign-up pop-ups.

Frequently Asked Questions

Everything you need to know about using TinyToolzz

What is TinyToolzz?
TinyToolzz is a browser-based suite of online utilities for images, PDFs, text, developer code, calculators, and unit converters. Every tool runs directly inside your web browser.
Are all tools on TinyToolzz free?
Yes. All tools on TinyToolzz are 100% free with no premium plans, hidden subscriptions, or daily limits.
Do I need to create an account?
No. You never need to sign up, provide an email address, or log in to use any tool on TinyToolzz.
Is my data safe? Do files get uploaded to a server?
Your files and text inputs are completely private. All processing is performed client-side using JavaScript and Web APIs. Zero file data is ever transmitted to external servers.
Do the tools work on mobile devices?
Yes! TinyToolzz is designed mobile-first and works seamlessly across iOS Safari, Android Chrome, mobile browsers, tablets, and desktop computers.

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JSON to CSV

Turn arrays of JSON objects into spreadsheet-ready CSV. Nested keys flatten automatically — pick a delimiter and download. All parsing stays in your browser.

Input JSON (array of objects) 0 chars
Ready. Paste a JSON array and click Convert to CSV.
No data 0 rows 0 columns 0 B
CSV output 0 chars

Technical Specifications

Conversion rules used for every file.

SpecificationDetails
Accepted inputArray of objects (one row each); a single object converts to one row
Column orderUnion of all keys in first-seen order; missing keys become empty cells
NestingObjects flatten to dot notation (address.city); arrays stay as compact JSON text per cell
DelimitersComma, semicolon, tab, or pipe; header row optional
QuotingRFC 4180: cells with delimiter, quotes, or line breaks are double-quoted with inner quotes doubled
EncodingUTF-8 with BOM so Excel detects characters correctly
Line endingsCRLF (\r\n) for maximum spreadsheet compatibility
Processing location100% client-side JavaScript in your browser memory; nothing is uploaded
ExportCopy CSV text to clipboard or download a .csv file
Usage limitNone — convert unlimited payloads for free, no signup required

Features

📊

Array to Rows

Each object becomes one spreadsheet row with stable columns — missing keys simply leave empty cells.

🧩

Dot-Notation Flattening

Nested objects unfold into readable columns like address.city instead of unreadable blobs.

🌍

Locale Delimiters

Comma, semicolon, tab, or pipe output so files open correctly in any regional Excel setup.

🔒

Local Device Privacy

Conversion runs in page memory only. API data never leaves your device.

How to Convert JSON to CSV

  1. Paste a JSON array of objects into the Input JSON box, or click Load Sample.
  2. Choose the Delimiter your spreadsheet expects and keep the header row checked for labeled columns.
  3. Click Convert to CSV. Detected columns appear as chips above the output for a quick sanity check.
  4. Review the CSV text, then Copy CSV to paste into Sheets or Download .csv to open in Excel.
  5. To go the other direction later, use CSV to JSON on the downloaded file.

From API Payloads to Spreadsheets

Analysts rarely want raw JSON — they want sortable, filterable rows. The converter takes the most common API shape, a list of records, and maps it one-to-one onto a table: one object per row, one field per column, with nested addresses unfolded so nothing hides inside a cell.

Semicolons and European Excel

In many locales Excel expects semicolons because commas serve as decimal separators. Picking the wrong delimiter is the top reason CSV files open as a single column — match the delimiter to your spreadsheet's region settings and the file will split cleanly. To inspect nesting before converting, open the payload in the JSON Viewer; to convert sheets back, use CSV to JSON.

Honest limitations

Deeply ragged data (objects with wildly different keys) produces wide, sparse tables — that is inherent to CSV, not a bug. Arrays and null values serialize as JSON text or empty cells. Primitives, strings, and mixed-type top levels are rejected with a clear message.

Privacy and Client-Side Security

Privacy Guarantee: All parsing and conversion occur locally inside your browser. Your JSON text is never transmitted, stored, or recorded on remote servers.

Many online converters upload your records to a server for processing. TinyToolzz keeps everything in-page with plain JavaScript and the browser JSON parser.

Because nothing is uploaded, there is no waiting queue, no account, and no copy retained anywhere. Your data exists only in the tab memory and is discarded when you close the page or click Clear.

Frequently Asked Questions

What JSON shape does the converter accept?
An array of objects, where each object becomes one CSV row and the union of all keys becomes the columns. A single object is accepted too and converts to one row.
How are nested objects converted to columns?
Nested objects are flattened with dot notation, so address.city becomes its own column. Array values are stored as compact JSON text inside a single cell.
Which delimiter should I choose?
Comma works for most English-locale spreadsheets. Choose semicolon if your Excel uses commas as decimal separators, or tab for pasting directly into sheets without a file.
Will Excel open the downloaded file correctly?
Yes. Fields containing the delimiter, quotes, or line breaks are wrapped in double quotes per RFC 4180, and the file starts with a UTF-8 BOM so Excel detects the encoding.
What happens when objects have different keys?
Columns are the union of every key in first-seen order, and rows missing a key get an empty cell. Nothing is dropped and no row ever shifts columns.
Is my JSON data sent to a server?
No. All parsing and conversion runs locally in your browser with JavaScript. Nothing is transmitted, stored, or logged anywhere. Closing the tab or clicking Clear removes it from memory.

Related JSON Tools

CSV to JSON

Parse CSV spreadsheets into formatted JSON arrays.
JSON Viewer

Visualize any JSON payload as an expandable collapsible tree.
JSON Compare

Compare two JSON objects side by side with visual diff highlights.
JSON Tree Viewer

Explore deeply nested JSON as a clean guided tree diagram.
JSON Escape

Escape quotes and special characters for string embedding.
JSON Validator

Validate JSON syntax and debug errors instantly.