File Converter Tools

Browser-based converter tools for Base64, JSON, YAML, XML, Markdown, HTML, ICO generation, and more — no desktop software needed.

• ICO Generator — Generate ICO files online for favicons, desktop shortcuts, web app icons, browser tabs, and Windows-compatible icon packaging.
• Image to Base64 — Convert images to Base64 online for inline embeds, CSS or HTML data URIs, API payloads, testing, and browser-based asset workflows.
• Base64 to Image — Convert Base64 strings to image files online for debugging, downloads, inline asset recovery, and browser-based development workflows.
• JSON to CSV — Convert JSON to CSV online for spreadsheet import, reporting, data cleanup, and browser-based export of structured records.
• CSV to JSON — Convert CSV to JSON online for APIs, web apps, automation flows, schema cleanup, and browser-based data transformation workflows.
• YAML to JSON — Convert YAML to JSON online for configs, manifests, CI workflows, API payload prep, and browser-based structured data cleanup.
• JSON to YAML — Convert JSON to YAML online for readable configs, manifests, handoff docs, and browser-based structured text workflows.
• XML to JSON — Convert XML to JSON online for API reuse, feed debugging, integration cleanup, and browser-based structured data inspection.
• JSON to XML — Convert JSON to XML online for feeds, legacy system handoff, integration testing, and browser-based structured exports.
• Markdown to HTML — Convert Markdown to HTML online for blogs, docs, changelogs, emails, publishing systems, and browser-based markup workflows.
• HTML to Markdown — Convert HTML to Markdown online for CMS cleanup, content migration, docs prep, and browser-based markup simplification.
• HTML to PDF — Convert HTML and CSS into a private, browser-rendered PDF with paged-media support.
• Markdown Visualizer — Preview Markdown visually online for docs, README review, content QA, blog drafting, and browser-based markup checking before publishing.
• Password Generator — Generate cryptographically secure passwords with Web Crypto API. Custom length, character sets, passphrase mode, and real-time zxcvbn strength analysis.
• JSON Formatter — Validate, prettify, and minify JSON with JSON5 support, collapsible tree view, and JSONPath queries. Precise syntax error detection with line and column pointers.
• Word Counter — Count words, characters, sentences, and paragraphs with 6 readability scores (Flesch-Kincaid, Gunning Fog, SMOG, Coleman-Liau, ARI) and keyword density.
• File Type Detector — Detect a file's true type from content using Google Magika (214 classes) — source code, documents, images, archives, executables. Runs in your browser via WASM.
• HEX to RGB Converter — Convert between HEX, RGB, HSL, OKLCH (CSS Color Level 4), OKLAB, LAB, LCH, CMYK with Display-P3 wide gamut, WCAG 2.2 contrast, and color blindness simulation.
• Regex Tester — Live regex tester with ES2024 v flag (unicode-sets) support, d flag match indices, named capture groups, lookbehind assertions, and a pattern library.
• UUID Generator — Generate UUID v7 (RFC 9562, 2024 time-ordered), v4 random, v1, ULID sortable, and NanoID URL-safe identifiers. Bulk generation up to 10,000 with one click.
• Hash Generator — Generate SHA-256, SHA-384, SHA-512, SHA-1, MD5 and HMAC hashes with the Web Crypto SubtleCrypto API. Streaming file support, hex/base64 output, compare mode.
• Timestamp Converter — Convert between Unix epoch (s/ms), ISO 8601, RFC 2822, and human-readable dates across all IANA timezones. Temporal API, relative time via Intl.RelativeTimeFormat.
• URL Encoder — Encode and decode URLs with full RFC 3986 compliance. Per-component modes (path, query, fragment), URL.canParse() validation, URLSearchParams visualization.
• JWT Decoder — Decode and verify JWT tokens with the Web Crypto SubtleCrypto API. RS256/ES256/HS256 signature verification, JWK import (RFC 7517), expiry warnings.
• Base64 Encoder / Decoder — Encode and decode Base64 text with full UTF-8 and emoji support. Standard Base64 (RFC 4648 §4) and URL-safe Base64URL (§5), with toggleable padding.
• Diff Viewer — Compare two texts with the Myers O(ND) diff algorithm. Word, character, and line-level modes with unified and side-by-side output and syntax-highlighted changes.
• Lorem Ipsum Generator — Generate placeholder text in 6 flavors: classic Lorem Ipsum (Cicero's 45 BC text), Bacon Ipsum, Cupcake, Corporate Jargon, Hipster, and Emoji Ipsum.
• Case Converter — Convert text between all 10 case styles — camelCase, snake_case, kebab-case, PascalCase, CONSTANT_CASE, Title Case, dot.case, Sentence case, UPPERCASE, lowercase. Unicode-safe with Turkish İ/ı support.
• Slugify — Generate URL-safe slugs from any text. Unicode NFKD decomposition handles accented characters (café → cafe), multi-language transliteration, custom separator, safe truncation.
• Text Counter — Count words, characters, emoji-accurate grapheme clusters (via Intl.Segmenter ES2024), sentences, and paragraphs. Plus Flesch Reading Ease, Flesch-Kincaid, SMOG, Gunning Fog, ARI.
• SQL Formatter — Format SQL with dialect-aware pretty-printing for PostgreSQL, MySQL, SQLite, T-SQL, and PL/SQL. Custom indent, keyword casing, and uniform keyword break rules.
• CSS Formatter — Format, prettify, or minify CSS with configurable indent. Preserves comments, supports CSS Level 4 (Container Queries, :has, Cascade Layers), and handles nested selectors.
• HTML Formatter — Format or minify HTML with DOMParser-based HTML5 parsing. Pretty-print with configurable indent, preserve whitespace in <pre>/<textarea>/<script>, correct self-closing for void elements.
• XML Formatter — Format, validate, and minify XML with namespace-aware parsing, CDATA preservation, and XPath queries. Uses DOMParser for robust XML 1.0 compliance.
• YAML Formatter & Validator — Format, validate, and normalize YAML with support for YAML 1.2.2 (2021), multi-document streams, anchors, aliases, and block/flow style conversion.
• CSS Gradient Generator — Build linear, radial, conic, and mesh CSS gradients with perceptually-uniform OKLCH color interpolation (CSS Color Level 4). Live preview, visual stop editor, Tailwind v4 export.
• Box Shadow Generator — Build multi-layer CSS box shadows with Material Design 3 elevation presets, spread and blur control, inset mode, and live preview. Export as CSS, Tailwind v4, or SCSS.
• CSS Filter Generator — Build CSS filter and backdrop-filter chains: blur, brightness, contrast, saturate, hue-rotate, drop-shadow, invert. Live preview with backdrop-filter toggle.
• CSS clamp() Calculator — Generate CSS clamp() functions for fluid typography and spacing that scales smoothly across viewport sizes. Replaces media-query breakpoint chains.
• CSS Keyframes Builder — Build CSS @keyframes animations visually. Cubic-bezier and spring easing, scroll-driven timelines (scroll-timeline, view-timeline), live preview, Tailwind v4 export.
• Sitemap Validator — Validate XML sitemaps against sitemaps.org 0.9 spec, check hreflang consistency (RFC 8288), size limits (50MB / 50,000 URLs), duplicate loc detection, lastmod freshness.
• Robots.txt Tester — Test robots.txt against RFC 9309 (2022). Per-URL allow/deny simulation for Googlebot, Bingbot, GPTBot, ClaudeBot, YandexBot with longest-match rule resolution.
• Schema / JSON-LD Validator — Validate JSON-LD and microdata against Schema.org 28 (2024). Rich Results eligibility checks for Article, Product, FAQ, HowTo, VideoObject, Recipe, Event, and 20+ types.
• Meta Tag Analyzer — Analyze meta tags, Open Graph, Twitter Card, canonical, hreflang, and robots directives. Title/description length checks, duplicate detection, and Core Web Vitals meta flags.
• Open Graph Preview — Preview how any URL looks when shared on 8 platforms: Facebook, Twitter/X, LinkedIn, Discord, Slack, WhatsApp, iMessage, Telegram. Live OG + Twitter Card rendering.
• Morse Code Translator — Translate text to Morse code and back with ITU-R M.1677 compliance. Audio playback (Web Audio API), visual flash mode, Unicode letter support, and SOS emergency signal helper.
• QR Code Customizer — Generate styled QR codes with logo overlay, brand colors, gradient fill, error correction levels (L/M/Q/H via Reed-Solomon), rounded modules, and batch CSV export to SVG or PNG.
• Binary / Hex / Decimal Converter — Convert between binary, hex, octal, decimal, and Base64 with BigInt arbitrary-precision for large integers. IEEE 754 single/double float breakdown and two's complement for signed integers.
• Data URI Builder — Build data: URIs (RFC 2397) for inline images, SVGs, fonts, and CSS assets. Base64 or percent-encoded, size budget indicator, and ready-to-paste CSS, HTML, and JS snippets.
• JSONPath Tester — Test JSONPath queries live against JSON data. RFC 9535 (2024 standardized spec) + classic Goessner syntax. Filter expressions, wildcards, recursive descent, array slicing, pattern library.
• Favicon Pack Generator — Generate a complete favicon pack from a single source image: multi-size ICO, apple-touch 180×180, Android 192 and 512, maskable variants, web app manifest.json, and HTML meta snippet.
• EXIF / Metadata Stripper — Strip EXIF, XMP, IPTC, and ICC metadata from JPEG, PNG, and WebP images. Remove GPS coordinates, camera data, author info, and all privacy leaks. Lossless for JPEG.
• Aspect Ratio Calculator — Calculate aspect ratios: pixel dimensions to simplified ratio, scale to target size, generate CSS aspect-ratio property, and browse presets for video (16:9, 9:16), photo (4:3, 3:2, 1:1), and print.
• Social Media Size Reference — 2026 updated social media size reference. All image and video dimensions for Instagram, Facebook, Twitter/X, LinkedIn, TikTok, YouTube, Pinterest, Snapchat with safe areas and copy-ready JSON/CSS.
• Image Comparison Slider — Compare two images with an interactive before/after slider. Drag or hover to reveal, toggle side-by-side or difference overlay modes, and export as copy-paste embeddable HTML snippet.
• Cron Expression Builder — Build and parse cron expressions with a visual editor. Supports 5-field Unix crontab and 6-field Quartz/AWS EventBridge. Live next-10-runs preview in any IANA timezone with plain-English translation.
• Markdown Cheatsheet & Editor — Markdown cheatsheet with live split editor. Covers CommonMark, GitHub Flavored Markdown (tables, task lists, footnotes), MDX components, Obsidian-style callouts.
• cURL to fetch / Code Converter — Convert cURL commands to JavaScript fetch, Python requests, Go net/http, Node axios, and PowerShell. Parses headers, JSON body, auth, cookies, file upload.
• HTTP Status Code Reference — Searchable HTTP status code reference per RFC 9110 (2022). All codes 1xx through 5xx with category filters, usage examples, fetch/cURL snippets, and optional http.cat thumbnails.
• .gitignore Generator — Generate .gitignore from 200+ templates. Composable: pick languages (Node, Python, Go, Rust), frameworks (Next.js, Django, React), IDEs (VS Code, JetBrains), OSes.
• Unicode Inspector — Inspect any string at the Unicode codepoint level: names, General_Category, Script, Block, and all four normalization forms (NFC/NFD/NFKC/NFKD). Grapheme cluster breakdown via Intl.Segmenter.
• Punycode / IDN Converter — Convert internationalized domain names between Unicode and ASCII Punycode (xn--) per RFC 3492, IDNA 2008, and UTS #46. Detects homograph attacks and mixed-script warnings.
• Emoji Decoder — Decode emoji sequences into codepoints with Unicode names, skin-tone modifiers, gender variations, and ZWJ breakdowns. Covers flags, keycaps, and family compositions with Unicode 16 data.
• Language Detector — Detect language from text using Unicode script analysis combined with common trigram fingerprints. Covers 100+ languages with confidence scores.
• String Locale Tester — Test string behavior under different locales: sort order (Intl.Collator), case folding (toLocaleLowerCase / Upper), accent-insensitive compare. Turkish İ/ı, German ß, Greek final sigma.
• HEIC to JPG — Convert iPhone HEIC photos to JPG online for free — browser-based, private, no signup.
• HEIC to PNG — Convert iPhone HEIC photos to PNG online for free — browser-based, private, no signup.
• HEIC to WebP — Convert iPhone HEIC photos to WebP online for free — browser-based, private, no signup.
• AVIF to JPG — Convert AVIF images to JPG online for free — browser-based, private, no signup.
• AVIF to PNG — Convert AVIF images to PNG online for free — browser-based, private, no signup.
• JPG to AVIF — Convert JPG images to AVIF online for free — browser-based, private, no signup.
• PNG to AVIF — Convert PNG images to AVIF online for free — browser-based, private, no signup.
• WebP to AVIF — Convert WebP images to AVIF online for free — browser-based, private, no signup.
• JPG to PNG — Convert JPG images to PNG online for free — browser-based, private, no signup.
• PNG to JPG — Convert PNG images to JPG online for free — browser-based, private, no signup.
• JPG to WebP — Convert JPG images to WebP online for free — browser-based, private, no signup.
• PNG to WebP — Convert PNG images to WebP online for free — browser-based, private, no signup.
• WebP to JPG — Convert WebP images to JPG online for free — browser-based, private, no signup.
• WebP to PNG — Convert WebP images to PNG online for free — browser-based, private, no signup.
• SVG to JPG — Convert SVG vector graphics to JPG online for free — browser-based, private, no signup.
• SVG to PNG — Convert SVG vector graphics to PNG online for free — browser-based, private, no signup.
• BMP to JPG — Convert BMP bitmap images to JPG online for free — browser-based, private, no signup.
• BMP to PNG — Convert BMP bitmap images to PNG online for free — browser-based, private, no signup.
• TIFF to JPG — Convert TIFF images to JPG online for free — browser-based, private, no signup.
• TIFF to PNG — Convert TIFF images to PNG online for free — browser-based, private, no signup.
• Compress JPG — Compress JPG images online free — reduce file size while keeping visual quality under control.
• Compress PNG — Compress PNG images online free — reduce file size while keeping visual quality under control.
• Compress WebP — Compress WebP images online free — reduce file size while keeping visual quality under control.
• Resize JPG — Resize JPG images online free — change dimensions by pixels or percentage in your browser.
• Resize PNG — Resize PNG images online free — change dimensions by pixels or percentage in your browser.
• Convert to WebP — Convert any image to WebP online free — JPG, PNG, HEIC, AVIF, BMP, TIFF, or SVG input.
• PDF to JPG — Extract each PDF page as a JPG image — free, browser-based, no upload.
• PDF to PNG — Extract each PDF page as a PNG image — free, browser-based, no upload.
• JPG to PDF — Combine JPG images into a single PDF — free, browser-based, no upload.
• PNG to PDF — Combine PNG images into a single PDF — free, browser-based, no upload.
• HEIC to PDF — Combine HEIC images into a single PDF — free, browser-based, no upload.
• WebP to PDF — Combine WebP images into a single PDF — free, browser-based, no upload.
• RGB to HEX Converter — Convert RGB color values to HEX — plus HSL, OKLCH, Display-P3, CMYK, WCAG contrast.
• PDF to WebP Converter — Convert PDF pages to WebP images online — smaller files at equivalent visual quality. 100% browser-based, no upload.
• PDF to JPEG Converter — Convert PDF pages to JPEG images online — render each page as a high-quality JPEG in your browser. No upload, no signup.
• GIF to JPG Converter — Convert GIF images to JPG online — extract the first frame as a high-quality photo. Runs in your browser, no upload.
• GIF to PNG Converter — Convert GIF images to PNG online with transparency support. Runs in your browser, no upload, no signup.
• GIF to WebP Converter — Convert GIF images to WebP online — smaller file size, faster page loads. 100% browser-based.
• PNG to ICO Converter — Convert PNG to ICO favicon files online — pack 16/32/48/64/128/256px sizes into one browser icon. No upload.
• JPG to ICO Converter — Convert JPG images to ICO favicon format online — bundle multiple sizes in a single file. 100% browser-based.
• JPEG to PNG Converter — Convert JPEG to PNG online for lossless quality and transparency support. Private, browser-based, no upload.
• PNG to JPEG Converter — Convert PNG to JPEG online with adjustable quality for smaller file sizes. Runs locally in your browser.
• JPEG to PDF Converter — Convert JPEG images to PDF online — multi-page, page size controls, private browser processing. No upload, no signup.
• JPEG to WebP Converter — Convert JPEG to WebP online — 25–35% smaller at equivalent quality. 100% browser-based, no upload.
• WebP to JPEG Converter — Convert WebP to JPEG online — universal compatibility for legacy apps and email. Runs in your browser, no upload.
• HEIC to JPEG Converter — Convert iPhone HEIC photos to JPEG online — universal compatibility for sharing and editing. Runs in your browser.
• AVIF to JPEG Converter — Convert AVIF images to JPEG for universal compatibility. Runs in your browser, no upload, no signup.
• TIFF to JPEG Converter — Convert high-resolution TIFF scans to JPEG online — smaller files for sharing and web use. 100% browser-based.
• BMP to WebP Converter — Convert Windows BMP bitmaps to modern WebP online — 90%+ smaller files. Browser-based, no upload.
• SVG to WebP Converter — Rasterize SVG vector graphics to WebP raster images online at any resolution. Runs in your browser.
• Compress JPEG Images — Compress JPEG images online with quality slider — shrink photos for web, email, social without visible loss. Private.
• Resize JPEG Images — Resize JPEG images online to exact width/height or percent scale, with preserved aspect ratio. 100% browser-based.
• JPEG to AVIF Converter — Convert JPEG to next-gen AVIF format online — up to 50% smaller at equivalent quality. Browser-based, no upload.
• HSL to HEX Converter — Convert HSL color values to HEX online — also outputs RGB, OKLCH, CMYK, WCAG contrast scores.
• HEX to HSL Converter — Convert HEX color codes to HSL — also outputs RGB, OKLCH, CMYK, WCAG contrast. Runs in your browser.
• RGBA to HEX Converter — Convert RGBA (with alpha transparency) to 8-digit HEX color codes online. 100% browser-based.
• HEX to RGBA Converter — Convert 8-digit HEX (with alpha) to RGBA color values online. Plus HSL, OKLCH outputs.
• OKLCH to HEX Converter — Convert modern OKLCH color values to HEX — perceptually uniform color space support. Browser-based.
• HEX to OKLCH Converter — Convert HEX color codes to modern OKLCH for perceptually uniform color manipulation. 100% browser-based.
• Character Counter — Count characters, words, sentences, emoji, paragraphs and reading time online. ES2024 Intl.Segmenter accuracy.
• Word Count Online — Count words online with readability scores (Flesch-Kincaid, Gunning Fog, SMOG). Runs in your browser.
• Reading Time Calculator — Calculate reading time for any article — WPM-aware, supports skim, normal, and careful reading speeds.
• URL Slug Generator — Generate clean URL-safe slugs from any text — Unicode decomposition, custom separators, case controls.
• JSON Minifier — Minify JSON online — strip whitespace, comments, validate JSON5. Also formats and pretty-prints.
• Archive Converter — Convert RAR to ZIP and repack ZIP, 7Z, TAR, GZIP, BZIP2, and XZ archives locally in your browser with SHA-256 output verification.

Common Workflows

Convert structured data, markup, and archive formats, move between JSON, YAML, XML, Markdown, HTML, CSV, Base64, ZIP, TAR, and browser compatibility flows, and keep everything private on device without desktop conversion software.

Explore More Collections

• AI Tools — AI-powered editing, cleanup, and visual analysis.
• Image Tools — Fast browser-side image editing, formatting, and export workflows.
• PDF Tools — Merge, convert, and export PDFs without uploading private files.
• Converters — Format-specific conversion flows for images, docs, and structured data.