Private browser tools

Finish everyday data and developer tasks in one workspace.

Format code, validate data, convert files, audit SEO, run practical calculators, and prepare AI workflows without uploading your work or creating an account.

Open converter

✓ Files stay in your browser✓ No account or cloud upload✓ Free to use

PRIVATE BY DESIGN

Convert files without handing them to a conversion server.

Supported converters and utilities process your input inside the active browser tab. You can start immediately, without an account, and your pasted content or selected file is not retained by the application.

✓
Local input processingYour content stays in this browser while the tool runs.
✓
No input retentionRecent activity stores tool identifiers—not your file contents.
✓
Safer content handlingHTML previews are sanitized, unsafe XML declarations are blocked, and generated code is never executed.
✓
Clear practical limitsFile limits and validation feedback appear before processing.

Start converting privately Understand data privacy

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✓Private browser processing

Your input follows a local processing path.

Your input→Browser→Your result

No conversion server in the data path

ONE PLATFORM, FOCUSED EXPERIENCES

Specialized tools, connected by one conversion engine

Start with a workspace designed for one precise task, then move into a validated multi-step workflow when your data needs more than one transformation.

Explore all capabilities

ADVANCED WORKFLOWPremium · Free

Multi-step conversions

Build conversion chains, validate each stage, inspect intermediate results, and download any completed step without an account.

Build a workflow

FASTER DISCOVERY

Smart task search

Find the right workspace using actions, aliases, source formats, destinations, or natural phrases such as “beautify JSON”.

LESS CLUTTER

Contextual settings

See only the parsing, structure, output, and rendering controls supported by the conversion you selected.

Explore converter settings

PURPOSE-BUILT UX

Specialized workspaces

Validators, formatters, analyzers, generators, and calculators provide controls and results designed for their specific job.

Browse specialized tools

DEVELOPER OUTPUT

Code and schema generation

Prepare SQL, Pandas, R, MATLAB, DAX, Qlik, Firebase, Avro, and Protobuf representations without executing generated code.

Open developer tools

LOCAL EXPORT

Files and visual rendering

Create supported XLSX, PDF, PNG, and JPEG downloads locally with format-specific options and transparent transformation notes.

Browse export routes

MOST USED

Popular right now

Reliable tools for the small tasks that show up every day.

View all 375 tools →

JSON Formatterformat compact JSON into readable, indented data.

JSON Validatorcheck JSON syntax and pinpoint common errors.

JSON to CSVturn an array of flat JSON objects into CSV.

CSV to JSONconvert a CSV table with headers into JSON records.

YAML Formatter & Beautifiervalidate and format YAML into a clean, readable structure.

Base64 Encoderencode Unicode text as Base64.

Base64 Decoderdecode Base64 into readable UTF-8 text.

URL Parserbreak an absolute URL into its useful components.

POPULAR CONVERSIONS

Move data without the busywork

Direct, structured, generated, and rendered routes are labelled before you run them.

Explore 955 routes →

CSCSV → JSONStructured mapping JSJSON → CSVStructured mapping HTHTML Table → CSVDirect conversion MAMarkdown → HTMLStructured mapping HTHTML → MarkdownStructured mapping JSJSON → Excel / XLSXStructured mapping HTHTML → PDFRendered output JSJSON → SQL INSERTStructured mapping

BROWSE BY PURPOSE

Explore tools by outcome

Choose the result you need. Each collection groups focused tools, examples, and related workflows around a recognizable task.

Open the complete directory

TOOL COLLECTIONData tools

Format, validate, and convert structured data without sending it away.

63 tools TOOL COLLECTIONDeveloper tools

Debug, test, format, and generate values used in everyday development.

89 tools TOOL COLLECTIONText tools

Clean, count, analyze, and reshape text in a focused workspace.

55 tools TOOL COLLECTIONEncode & decode

Translate base, URL, character, and developer encodings safely.

32 tools TOOL COLLECTIONSecurity tools

Generate secure values, calculate digests, and inspect security configuration.

28 tools TOOL COLLECTIONWeb tools

Build and inspect URLs, HTTP values, SEO metadata, HTML, and CSS.

23 tools TOOL COLLECTIONColor tools

Convert colors, build palettes and gradients, and verify readable contrast.

8 tools TOOL COLLECTIONImage tools

Create, inspect, encode, and prepare browser-safe image assets.

6 tools TOOL COLLECTIONFile tools

Inspect filenames, signatures, checksums, and file-oriented text safely.

12 tools TOOL COLLECTIONSEO tools

Audit metadata, structured data, crawl directives, and content signals locally.

24 tools TOOL COLLECTIONCalculators

Calculate business, finance, web, date, and everyday values with documented formulas.

20 tools TOOL COLLECTIONAI utilities

Estimate tokens, inspect prompts, prepare datasets, and generate model-neutral AI formats.

15 tools

RECOMMENDED

Reliable starting points

JSON Formatterformat compact JSON into readable, indented data.

Regex Testertest a JavaScript regular expression against text.

UUID Generatorgenerate cryptographically random UUID v4 values.

Case Converterswitch text between upper, lower, title, camel, Pascal, snake, and kebab case.

HOW IT WORKS

From messy to done in three steps

Choose a tool

Search by task, format, or outcome.

Add your input

Paste content or adjust a simple option.

Use the result

Copy it or download it immediately.

BEFORE YOU START

Useful answers, upfront.

Understand processing, output types, practical limits, and privacy before adding your data.

How the platform works

Are the tools free, and do I need an account?

Available tools are free to use without an account, subscription, payment details, or usage credits. Premium-labelled workflow features are included at no cost.

Do you upload, retain, or inspect my files?

The application processes supported input inside your active browser tab. It does not send your pasted content or selected files to a conversion server. Saved and recent-tool preferences contain identifiers only, never your input.

What is the difference between converted, generated, and rendered output?

Converted output maps data into another supported structure. Generated output produces code, a schema, or configuration for review. Rendered output creates a visual file such as PDF, PNG, or JPEG. Transformation notes identify meaningful limitations.

How are large or unsupported files handled?

Each compatible upload control displays its accepted formats and size limit. Files are validated before processing, and unsupported types are rejected with recovery guidance instead of being silently changed.

Can I trust every conversion to be lossless?

No. Some routes cannot preserve formatting, metadata, formulas, or domain-specific semantics. The converter registry labels route capabilities and displays transformation notes whenever review is appropriate.

Can I use the platform on mobile and with a keyboard?

Yes. Navigation, forms, editors, dialogs, and workflows adapt to narrow screens and support keyboard interaction. Very large processing jobs still depend on the memory available on your device.