Mingnify Online Tools

Compare two texts and highlight differences.

Repeat any text by a chosen number of times with separators, line breaks, copy and download support.

Quickly batch replace and extract text, supports regex.

Test regular expressions locally in your browser, inspect capture groups, and preview replacement results.

Convert text locally into camelCase, snake_case, kebab-case, Title Case, and other common formats.

Detect zero-width characters, special spaces, and bidirectional control characters locally in your browser.

Compare two lists locally in your browser to find shared items, differences, unique values, and duplicates.

Convert Markdown into plain text, rich text, and HTML in real time with copy support.

Convert HTML into clean Markdown in real time with copy support.

Generate placeholder Lorem Ipsum text with words, sentences, or paragraphs, and switch between multiple locale styles.

Analyze text to get character, word, line, paragraph and sentence counts, plus estimated reading time.

Turn titles and multilingual text into clean SEO-friendly URL slugs with Unicode or ASCII output.

Convert static images or video clips into animated GIFs.

Resize images in batches by pixels or percentage, with aspect ratio lock and local export.

Convert images into ICO files for favicons and app icons, with multiple sizes packed into one file.

Export SVG files as PNG or JPG with custom size, background, and local download.

Optimize SVG markup locally in your browser, remove extra metadata, and export a cleaner SVG file.

Read EXIF, GPS, camera, and shooting metadata from images locally in your browser.

Remove EXIF, XMP, ICC, and other metadata from JPEG, PNG, and WebP images locally in your browser.

Extract dominant colors, ratios, and palettes from an image, then export HEX, CSS, or JSON locally.

Pick colors from manual input, your screen, or uploaded images locally in the browser, then copy HEX, RGB, HSL, HSV, CMYK, and CSS values.

Convert colors between HEX, RGB, HSL, HSV, HWB, LAB, LCH, CMYK, and CSS keywords locally in the browser with bidirectional updates and alpha support.

Check WCAG contrast ratios for foreground and background colors locally in the browser, including AA/AAA for normal and large text.

Build linear, radial, and conic gradients locally in the browser with editable color stops, live preview, and copy-ready CSS output.

Adjust box-shadow offsets, blur, spread, opacity, radius, and inset locally in the browser with live preview and copy-ready CSS output.

Browse and search common HTML / CSS named colors locally in the browser, then copy the color name, HEX, or RGB value.

Generate common favicon assets, site.webmanifest, and HTML include snippets from one source image.

Remove Gemini visible watermarks locally in your browser, with batch processing and downloads.

Convert PNG, JPG, and other images to AVIF in batches with quality, scaling, and ZIP export.

Compress PNG files while keeping PNG output, with scaling, color reduction, previews, and ZIP download.

Convert PNG, JPG, and other images to WebP in batches with quality, scale, previews, and ZIP download.

Merge multiple images into a PDF file painlessly.

Reorder and merge multiple PDF files locally in your browser, then export them as a single file.

Split PDF files locally in your browser by page or range, then export them as individual PDFs or a ZIP archive.

Export PDF pages locally in your browser as PNG, JPG, or WebP images and download them in a ZIP archive.

Extract text-layer content from PDF files locally in your browser, export TXT output, and flag likely scanned pages.

Inspect PDF file properties, page count, version, page size, and metadata locally in your browser.

Inspect ZIP, TAR, GZ, and TGZ archives locally in your browser with folder navigation, file previews, and single-file downloads.

Convert local files into complete Data URI strings in your browser for embedding into HTML, CSS, JSON, or frontend configs.

Decode Data URI strings into files locally in your browser, inspect MIME type and encoding, and download the original content.

Encode or decode text as Base64, with Base64url support, Unicode handling, and real-time two-way conversion.

Convert plain text to and from Base16 hexadecimal locally in your browser with Unicode support, format validation, and uppercase or lowercase output.

Convert plain text to and from Base32 locally in your browser with Unicode support, whitespace-tolerant decoding, lowercase input support, and optional padding output.

Convert plain text to and from Base58 locally in your browser with Unicode support, whitespace-tolerant decoding, and Bitcoin, Flickr, or Ripple alphabet switching.

Convert integers across binary, octal, decimal, hexadecimal, Base32, Base36, Base62, Base64, and a custom base locally in your browser.

Convert text into \uXXXX, \u{XXXXX}, U+XXXX, HTML numeric entities, UTF-8 hex bytes, URL percent-encoding, and more locally in your browser, then unescape it back.

Encode text into named, decimal, or hexadecimal HTML entities locally in your browser, and decode entities back to plain text.

Encode or decode URL path segments, query values, and hash text locally in your browser with encodeURIComponent / decodeURIComponent.

Convert Roman numerals and Arabic numbers in both directions, and validate canonical Roman notation from 1 to 3999.

Convert numbers and Chinese uppercase monetary text in both directions locally in your browser with yuan, jiao, fen, negatives, and up to two decimal places.

Convert text and Morse code in both directions locally in your browser with spacing normalization, token validation, and optional audio playback.

Parse user agent strings locally in your browser to identify browser, OS, device, engine, and CPU details.

Parse URLs into components and build URLs from individual components. Bidirectional URL analysis and construction tool.

Validate, format and highlight JSON data.

本地 json-schema-generator 思路，在浏览器本地通过现有的 JSON 数据快速生成对应的 JSON Schema，支持多种 Draft 规范及高级配置。

本地 json-schema-validator 思路，在浏览器本地通过 JSON Schema 严格验证 JSON 数据，支持多种 Draft 规范及全面格式校验。

Format JavaScript, TypeScript, JSON, HTML, CSS, Markdown, YAML, and more locally in your browser with Prettier.

Generate TypeScript types from OpenAPI 3.0 / 3.1 YAML or JSON documents locally in your browser with common codegen options.

Generate syntax-highlighted code screenshots locally in your browser and export them as SVG, PNG, JPG, or HTML.

Format SQL locally in your browser and check for common issues like SELECT *, unsafe updates or deletes, and missing semicolons.

Convert cURL commands locally in your browser into JavaScript, Node.js, Python, Go, PHP, HTTP, JSON, and more.

Convert docker run commands locally in your browser into docker-compose config and flag unsupported options.

Test JSONPath queries locally in your browser and inspect matched values and paths.

Test JMESPath queries locally in your browser and inspect the returned results.

Convert JSON to YAML locally in your browser with copy and download support.

Convert JSON to TOML locally in your browser with nested tables and array-of-table output.

Convert TOML to JSON locally in your browser with support for key-value pairs, tables, and arrays of tables.

Convert YAML to TOML locally in your browser with nested tables and array-of-table output.

Convert TOML to YAML locally in your browser with support for key-value pairs, tables, and arrays of tables.

Convert JSON to XML locally in your browser with support for common attribute and text-node mappings.

Convert JSON object arrays to CSV locally in your browser with delimiter, header, and formula-escaping options.

Convert CSV to JSON locally in your browser with header parsing, type detection, and empty-line handling.

Convert XML to JSON locally in your browser with control over attributes, text nodes, and array output.

Convert YAML to JSON locally in your browser with copy and download support.

Quickly generate .gitignore templates for different languages and frameworks.

Build robots.txt visually with multiple user-agent groups, Allow / Disallow rules, sitemap lines, and advanced options.

Generate sitemap.xml or sitemapindex files with optional image, video, and news extensions.

Convert Unix file permissions between numeric and symbolic notation locally in your browser, with a linked checkbox matrix and ready-to-copy chmod command.

Generate single or batch UUID v4 values locally in your browser with multiple output formats.

Decode UUID details locally in your browser, including version, variant, Base64, integer form, and v1 timestamp data.

Generate NanoID values locally in your browser by length, charset, and batch size.

Generate lexicographically sortable ULIDs locally in your browser and inspect the embedded timestamp.

Generate MD5, SHA-1, SHA-256 and other hashes.

Generate MD5 and SHA-family hashes in the browser with HEX, Base64, SRI output, and expected digest verification for text or files.

Generate HMAC-SHA1, HMAC-SHA256, HMAC-SHA384, and HMAC-SHA512 in the browser for text or files, with HEX, Base64, and expected signature verification.

Generate SHA-256, SHA-384, and SHA-512 Subresource Integrity values in the browser for text or files, and build ready-to-use integrity HTML snippets.

Derive PBKDF2 keys in the browser from a password, salt, hash algorithm, iteration count, and output length, with HEX and Base64 output.

Derive scrypt keys in the browser from a password, salt, N, r, p, and output length, with HEX and Base64 output.

Generate salted bcrypt password hashes in the browser from a password and cost rounds, with copy and download support.

Verify in the browser whether a password matches a bcrypt hash, with instant local compare results.

Generate standard encoded Argon2 password hashes in the browser from a password, salt, algorithm, iterations, memory size, and parallelism.

Verify in the browser whether a password matches an encoded Argon2 hash, with optional secret / pepper support.

本地 password-strength-checker 思路，在浏览器本地通过 zxcvbn 等算法实时分析密码强度、破解耗时与改进建议。

Encrypt or decrypt text in the browser with AES-GCM, AES-CBC, or AES-CTR using a password-derived key or a raw hex key.

Decode JWT header and payload locally in the browser, verify HS256 / HS384 / HS512 signatures, and check common claims like exp, nbf, iss, aud, and sub.

本地 JWT 签名思路，在浏览器本地生成签名 Token。

Generate HTTP Basic Authorization headers from a username and password locally in the browser.

Decode HTTP Basic Authorization headers locally in the browser and extract the username and password.

Parse Cookie and Set-Cookie headers locally in the browser and output structured JSON.

本地 isbn-validator 思路，在浏览器本地快速验证并转换国际标准书号 (ISBN-10 与 ISBN-13)。

Validate 15-digit IMEI numbers locally in your browser with format, length, and Luhn checksum checks.

Validate 17-character VINs locally in your browser with length, character, and 9th-position check digit rules.

Validate IBAN numbers locally in your browser with country-specific length, base format, BBAN structure, and mod97 checksum checks.

Validate BIC / SWIFT codes locally in your browser and parse bank, country, location, and branch details.

Validate EU VAT numbers locally in your browser with country code, format, and checksum checks for supported countries.

Validate credit card numbers locally in your browser with card brand detection, length checks, and Luhn checksum verification.

本地 email-validator 思路，在浏览器本地严格验证电子邮箱地址格式，分析本地部分、域名和顶级域名是否符合标准。

Validate single or multi-line UUID values locally in your browser and identify their version and variant.

A stopwatch and countdown timer with laps, custom durations, and audio reminders.

Run a local browser stopwatch with start, pause, resume, lap tracking, copy support, and CSV export for lap records.

Convert date-times between two time zones locally in your browser with DST-aware offsets and ISO / UTC / Unix details.

Calculate the difference between two date-time values locally in your browser, including signed duration, ISO duration, and total-unit outputs.

Add or subtract a duration from a base date-time locally in your browser with ISO Duration, local time, and Unix outputs.

Count business days between two dates locally in your browser and calculate business-day offsets with custom weekends and holiday exclusions.

Generate Cron expressions locally in your browser with field-based controls, presets, human-readable descriptions, and upcoming run previews.

Parse Cron expressions locally in your browser and inspect the natural-language explanation, field breakdown, and upcoming run times.

Generate standard .ics calendar events locally in your browser with time zones, all-day support, alarms, and recurrence rules.

Generate random numbers locally in your browser with custom ranges, counts, decimal places, rolling mode, no-repeat draws, and history.

Convert Unix timestamp to/from human readable date.

Translate Cron expressions into readable words and calculate execution times.

Generate CODE128, EAN, UPC and other common barcodes, then download them as PNG or SVG.

Read barcodes from uploaded images or live camera frames, including common linear formats and some 2D codes.

Read QR code content from uploaded images or scan it live with your camera.

Convert text or links to scannable QR codes.