Free tools that run in your browser.

PDFs, images, text and data tools. No sign-up, no uploads, nothing to install.

JSON FormatterFormat, validate, and beautify JSON data with syntax highlighting Case ConverterConvert text between different case formats: uppercase, lowercase, camelCase, PascalCase, snake_case, and more Word CounterCount words, characters, paragraphs, and reading time Text Diff ViewerCompare two text inputs and highlight differences Duplicate Lines RemoverRemove duplicate lines from text while preserving order Line Break RemoverRemove line breaks and join text into a single line Text ReplacerFind and replace text with support for regex patterns Text to Slug ConverterConvert text to URL-friendly slugs JSON.stringifyConvert JavaScript objects to JSON strings JSON.parseParse JSON strings into readable format HTML FormatterFormat and beautify HTML code with proper indentation SQL FormatterFormat and beautify SQL queries with syntax highlighting Regex TesterTest regular expressions with live matching and explanations Encryption/DecryptionEncrypt and decrypt text using various algorithms (AES, DES) with custom keys JSON Schema ValidatorValidate JSON data against JSON Schema with detailed error reporting JSON MergerMerge multiple JSON objects with conflict resolution options JSON Flattener/UnflattenerFlatten nested JSON objects or unflatten dot-notation objects CSS Minifier/BeautifierMinify or beautify CSS code with compression options HTML to JSX ConverterConvert HTML to JSX with proper attribute transformations Color Picker/ConverterConvert between HEX, RGB, HSL color formats with live preview Gradient GeneratorGenerate CSS gradients with live preview and multiple color stops Box Shadow GeneratorGenerate CSS box-shadow with live preview and multiple shadows Hash GeneratorGenerate MD5, SHA1, SHA256 hashes from text input Password GeneratorGenerate secure passwords with customizable length and character sets UUID GeneratorGenerate UUIDs (v1, v4) with bulk generation options .env File FormatterFormat and validate .env files with syntax highlighting JWT DecoderDecode and validate JWT tokens with header and payload inspection Fake Data GeneratorGenerate realistic fake data for testing (names, emails, addresses, etc.)HTTP Request ComposerCompose and test HTTP requests with headers and body data User-Agent GeneratorGenerate browser user-agent strings for different browsers and devices Epoch/Timestamp ConverterConvert between epoch timestamps and human-readable dates .gitignore GeneratorGenerate .gitignore files for different programming languages and frameworks Dockerfile Formatter/LinterFormat and lint Dockerfile with best practices suggestions YAML FormatterFormat and validate YAML files with syntax highlighting NGINX Config GeneratorGenerate NGINX configuration files for common use cases Cron Expression BuilderBuild cron expressions with natural language explanations Code ExplainerExplain code snippets in plain English with detailed breakdowns JSON FixerAutomatically detect and fix common JSON errors like trailing commas and missing quotes IP Address LookupLook up IP address information including location, ISP, and your current IP Regex GeneratorGenerate and test regular expressions with common patterns and real-time matching URL Encoder/DecoderEncode and decode URLs and URL components, percent-encoding for query strings and paths Base64 Encoder/DecoderEncode text or files to Base64 and decode Base64 back to plain text HTML Entity Encoder/DecoderEncode special characters to HTML entities and decode HTML entities back to characters Number Base ConverterConvert numbers between decimal, hexadecimal, binary, and octal bases Markdown PreviewLive Markdown editor with rendered preview, supports GitHub Flavored Markdown Lorem Ipsum GeneratorGenerate placeholder text in words, sentences, or paragraphs for design mockups String Escape/UnescapeEscape and unescape strings for JSON, JavaScript, HTML, and URL contexts TOML Formatter/ValidatorFormat and validate TOML configuration files XML Formatter/MinifierFormat and minify XML documents with syntax validation CSV Formatter/ValidatorValidate and reformat CSV files with custom delimiters and preview CSS Unit ConverterConvert between CSS units: px, rem, em, vw, vh, and pt with configurable base font size chmod Permission CalculatorCalculate Linux file permissions, set rwx checkboxes to get octal and symbolic notation MIME Type LookupLook up MIME types by file extension or find extensions for a given MIME type Unicode / Character InspectorInspect characters: show Unicode codepoint, name, hex, decimal, HTML entity, and binary JWT GeneratorGenerate signed JSON Web Tokens with custom header, payload, and HS256 secret QR Code GeneratorGenerate QR codes from text or URLs, download as PNG Text Line SorterSort lines alphabetically, numerically, by length, or shuffle randomly JSON MinifierMinify JSON by removing whitespace and comments to reduce file size Color Palette GeneratorGenerate color palettes, shades, tints, complementary, analogous, and triadic colors Text to Binary/HexConvert text to binary, hexadecimal, and decimal representations and back IP / CIDR CalculatorCalculate network address, broadcast, subnet mask, host range, and usable IPs from CIDR notation Number FormatterFormat numbers with commas, currency symbols, scientific notation, ordinals, and locale settings DNS LookupLook up DNS records (A, AAAA, MX, TXT, CNAME) for any domain using DNS-over-HTTPS PDF MergeCombine multiple PDF files into one document PDF SplitExtract specific pages from a PDF document PDF CompressReduce PDF file size while maintaining quality PDF to ImagesConvert PDF pages to PNG or JPG images Images to PDFCombine multiple images into a single PDF PDF RotateRotate PDF pages by 90°, 180°, or 270°PDF WatermarkAdd text or image watermark to PDF pages PDF Page ReorderRearrange PDF pages with drag and drop Sign PDFDraw, type, or place an image of a signature on a PDF page Encrypt PDFPassword-protect a PDF with AES-256 in the browser Unlock PDFRemove a known password or owner restrictions from your own PDF PDF MetadataView, edit, or strip PDF Info and XMP metadata Fill PDF FormFill AcroForm fields and optionally flatten them Image ResizerResize images with width, height, or aspect ratio Image CompressorReduce file size with quality slider Format ConverterConvert between PNG, JPEG, and WebP Image to Base64Convert image to data URL or raw Base64 Image CropCrop and export a selected region Color Picker from ImageClick an image to get the pixel color Favicon GeneratorGenerate favicon sizes from an image Rotate & FlipRotate 90/180/270° or flip horizontally/vertically WatermarkAdd text watermark with custom position and opacity Image FiltersAdjust brightness, contrast, saturation, blur, and more Markdown → DOCXConvert Markdown files to Microsoft Word DOCX format Markdown ↔ HTMLConvert between Markdown and HTML formats bidirectionally CSV to JSONConvert CSV to a JSON array, with delimiters and an optional header JSON to CSVConvert a JSON array of objects into CSV rows YAML to JSONConvert YAML to JSON and show whether the document parsed JSON to YAMLConvert JSON to YAML for config files XML to JSONConvert XML to JSON, keeping attributes when you ask JSON to XMLConvert JSON objects into XML elements JSON to TOMLConvert JSON to TOML, and swap back to JSON on the same page HTML → MarkdownConvert HTML to clean Markdown format CSV → Markdown TableConvert CSV data into a formatted Markdown table SVG → PNGRender SVG to a high-resolution PNG image URL Parser / BuilderParse, inspect, and build URLs with query parameters CSV ValidatorValidate CSV format, headers, and row consistency CSV MergeCombine multiple CSV files into one Excel ReaderOpen and view Excel files as a table CSV to ExcelConvert CSV to .xlsx and download Excel to CSVExport Excel sheets to CSV Column ExtractorSelect and export specific columns JSON → ExcelConvert a JSON array of objects to an Excel file Thumbnail ExtractorCapture a frame as image at any timestamp Video TrimmerTrim video by selecting start and end time Video to GIFConvert video to animated GIF Metadata ViewerView duration, dimensions, codec info Audio CutterTrim audio by selecting start and end time Audio MergerCombine multiple audio files into one Gzip CompressCompress text with gzip Gzip DecompressDecompress gzip data LZ-String CompressCompress for URLs and localStorage ZIP ExtractorExtract and download files from ZIP ZIP CreatorCreate ZIP from multiple files ZIP PreviewList contents without extracting

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Chain tools together into an automated pipeline. Start Building. Dev Tools. PDF Tools.

JSON formatters, encoders, converters, and more utilities for developers.

Merge, split, compress, sign, encrypt, unlock, and fill PDF forms.

Resize, crop, compress, and convert images without losing the originals.

Convert, validate, and merge CSV files with full control over delimiters.

Read Excel files, extract columns, and convert sheets to CSV or JSON.

Trim clips, pull thumbnails, read metadata, and make GIFs.

Cut and join audio files with sample-accurate boundaries.

Open, inspect, and build ZIP archives without extracting to disk.

Gzip and LZ-String compression for payloads, URLs, and stored blobs.

Convert between formats: Markdown↔DOCX, JSON↔TOML↔YAML↔XML, colors, timestamps.

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