Free & Fast Conversion Tools

Remove image backgrounds instantly using on-device AI. Supports JPG, PNG, and WebP inputs with transparent, solid color, or custom image replacement backgrounds. Download as PNG or JPG -- your images never leave your browser.

Upscale images to 2x or 4x resolution with a multi-pass on-device engine and optional sharpening enhancement. Supports JPG, PNG, and WebP inputs up to 10MB, with PNG or JPG output. Completely private -- your images never leave your browser.

Detect and identify 80+ object types in images using on-device AI. View results with bounding boxes, labels, and confidence scores. Export annotated images or JSON data -- your photos never leave your browser.

Create custom memes with your own images or a built-in sample. Add top and bottom text with adjustable fonts, colors, outlines, and backgrounds. Share directly or download -- all free and browser-based with no uploads.

Generate website favicons from images, text, or emoji in all standard sizes from 16x16 to 512x512. Customize colors, backgrounds, and border radius, then download individually or as a ZIP with ready-to-use HTML code.

Transform text into eye-catching ASCII art with multiple character styles, adjustable line height, and spacing controls. Copy to clipboard or download as a text file -- perfect for terminals, code comments, email signatures, and social media posts.

Compress JPEG, PNG, WebP, and AVIF images directly in your browser with no file uploads. Choose from quality-based, dimension-based, or target file size compression to reduce images by up to 80% while preserving visual clarity.

Resize images by pixel, percentage, preset, or aspect ratio with real-time quality control. Supports JPEG, PNG, and WebP output formats, all processed in your browser with no server uploads required.

Convert images between JPEG, PNG, WebP, AVIF, TIFF, BMP, and GIF formats with adjustable quality and transparency handling. All processing runs in your browser with no server uploads, so your files stay completely private.

Convert audio files between MP3 and WAV formats with adjustable bitrate, sample rate, and mono/stereo channel settings. All processing runs in your browser -- your audio is never uploaded to any server, ensuring total privacy.

Trim and cut audio files by setting precise start and end points on a visual waveform. Add smooth fade-in and fade-out effects, choose MP3 or WAV output, and process everything in your browser with no server uploads.

Compress audio files to reduce size by up to 90% using preset or custom settings. Adjust bitrate, sample rate, and mono/stereo channels with real-time size estimates. All processing happens in your browser -- no uploads, completely private.

Adjust audio volume with three modes: Maximize Volume (peak normalization), Balance Volume (RMS normalization), or Custom dB adjustment. Includes a distortion limiter and before/after preview, all processed privately in your browser.

Extract audio tracks from MP4, WebM, MOV, AVI, and MKV videos and save as MP3 or WAV. Adjust bitrate and mono/stereo channels, with files up to 2GB supported. Everything processes in your browser -- your video never leaves your device.

Split, trim, and divide videos using three flexible modes: extract a portion, split into equal segments, or cut at specific timestamps. Supports MP4, WebM, and MOV formats, all processed locally in your browser with no server uploads.

Convert colors instantly between HEX, RGB, HSL, HSV, CMYK, and LAB formats with a visual color picker and HSL sliders. Generate harmonious color palettes using complementary, triadic, analogous, and other color theory schemes.

Design beautiful linear and radial CSS gradients with unlimited color stops, adjustable angles, and opacity controls. Preview your gradient in real time, choose from built-in presets, and copy production-ready CSS code instantly.

Build custom CSS box-shadow and text-shadow effects with a visual editor supporting multi-layer shadows, inset options, and adjustable offset, blur, spread, and opacity. Preview on boxes, buttons, cards, or text, then copy ready-to-use CSS.

Combine multiple PDF files into a single document and arrange them in any order with quick move buttons. Up to 20 files of 50MB each are merged with pdf-lib right in your browser, so nothing is uploaded and the tool stays free.

Split a PDF into separate files: click page thumbnails to extract specific pages, extract every page, divide into fixed-size ranges, or specify custom ranges like 1-3, 5-7. Preview the pages first, then download the results individually or as a single ZIP -- all handled with pdf-lib in your browser.

Reduce PDF file size with three levels -- High Quality, Balanced, or Minimum Size -- and optionally strip metadata like author and title for privacy. Files up to 50MB are compressed with pdf-lib right in your browser, so nothing is uploaded and it stays free.

Convert PDF pages into high-quality JPG or PNG images. Free, no login required, and processed entirely in your browser so your files never leave your device. Export every page or download them all as a ZIP.

Combine JPG, PNG, WebP, GIF, and BMP images into a single PDF document. Free, no login required, and processed entirely in your browser so your images never leave your device. Reorder pages, pick a page size, and download instantly.

Add a text or image watermark to every page of your PDF with adjustable opacity, rotation, and position. Free, no login required, and processed entirely in your browser so your files never leave your device.

Delete, reorder, and rotate PDF pages visually. Free, no login required, and processed entirely in your browser so your files never leave your device. See every page as a thumbnail and rebuild your PDF in seconds.

Rotate PDF pages and permanently fix their orientation. Free, no login required, and processed entirely in your browser so your files never leave your device. Rotate every page at once or turn individual pages.

Insert page numbers into your PDF with a custom position, format, starting number, size, and color. Free, no login required, and processed entirely in your browser so your files never leave your device.

Add a handwritten or image signature to your PDF and place it exactly where you want. Free, no login required, and processed entirely in your browser so your documents never leave your device.

Generate QR codes from URLs, plain text, WiFi credentials, or vCard contact details, then fine-tune the error-correction level, colors, size, dot and corner styles, and an optional center logo. Download as a high-resolution PNG or scalable SVG, all rendered in your browser.

Upload a PNG, JPG, GIF, BMP, or WebP image and decode the QR code or barcode it contains. Smart format detection recognizes WiFi credentials, vCard contacts, URLs, and crypto addresses, so you can copy the data, save a contact, or open a link in one click.

Create a QR code that lets anyone join your WiFi by scanning it with a phone camera. Enter the network name, pick WPA/WPA2, WEP, or open security, flag hidden networks, set the QR size and error-correction level, then download a PNG.

Turn your name, company, job title, phone, email, website, address, and LinkedIn or Twitter profiles into a vCard 3.0 QR code. Adjust the size and error-correction level, then download a PNG that any phone can scan to save your contact instantly.

Create Code 128, Code 39, EAN-13, EAN-8, UPC, ITF-14, MSI, and Pharmacode barcodes from any text or number. Adjust bar width, height, margins, colors, and the printed value label, then download as a PNG or copy the barcode as scalable SVG.

Generate strong, random passwords from 4 to 64 characters using any mix of uppercase, lowercase, numbers, and symbols. Exclude similar or ambiguous characters for easier typing, check each password's strength rating, and copy it or review recent results from the built-in history.

Turn speech into text two ways: dictate live with your browser's Web Speech API, or upload an audio or video file and transcribe it with a Whisper AI model that runs in your browser. Supports 99+ languages, editing, copy, and download -- free with no login.

Analyze text as you type with live counts of characters (with and without spaces), words, sentences, paragraphs, and lines. It also shows reading and speaking time, Unicode grapheme and code-point totals, UTF-8, UTF-16, and legacy encoding byte sizes, plus a Korean, emoji, and other-character breakdown.

Turn any text, keywords, or topics into ready-to-post hashtags tailored for Instagram, Twitter, LinkedIn, or general use. Control the maximum count, the minimum and maximum length, and duplicate removal, then copy the whole set with a single click.

Format, validate, and beautify JSON data with real-time syntax highlighting and structure analysis. Supports nested objects, arrays, and all JSON data types. Free browser-based tool with no uploads required.

Encode plain text into Base64 or decode Base64 back to readable text instantly, with full UTF-8, Unicode, and emoji handling. Switch between encoding and decoding modes in one click and copy results directly. Everything runs in your browser, so nothing you enter is uploaded to a server.

Convert data between CSV and JSON formats instantly in your browser. Supports multiple delimiters, drag-and-drop file upload, and full bidirectional conversion. Everything runs client-side with no account, no upload, and no cap on how many files you convert.

Generate MD5, SHA-1, SHA-256, and SHA-512 hashes from any text input instantly in your browser. Includes side-by-side hash comparison and security-level indicators, and every digest is computed locally, so the text you enter is never uploaded to a server or stored.

Encode and decode URLs and text for web usage directly in your browser. Supports Standard, Component, and Form encoding types with full Unicode support and no server upload.

Decode any JSON Web Token to inspect its header, payload, and claims, with automatic checks on expiration, issued-at, and not-before times. Decoding happens locally and does not verify the cryptographic signature, so it is built for debugging and inspection rather than validating production tokens.

Generate RFC 4122 UUIDs in bulk, choosing version 4 for cryptographically random IDs or version 1 for timestamp-based ones. Produce up to 100 at a time and toggle hyphens and uppercase formatting, with everything generated instantly in your browser.

Convert Unix timestamps in seconds or milliseconds to human-readable dates and back, with automatic input detection and full timezone support. Choose ISO 8601 or local output, insert the current time with one click, and see detailed conversion breakdowns as you type.

Test and debug JavaScript regular expressions in real time as you type, with matched text highlighted directly in your sample. Toggle the g, i, m, s, u, and y flags, inspect captured and named groups with their positions, and view live match statistics.

Convert Markdown to HTML and HTML back to Markdown, with support for headers, lists, tables, links, images, and code blocks. Apply GitHub, Minimal, Classic, or Modern styling themes, switch between code and live preview, and track character-count statistics as you convert.

Convert text between 11 case formats at once, including camelCase, PascalCase, snake_case, CONSTANT_CASE, kebab-case, dot.case, path/case, Title Case, and Sentence case. The tool auto-detects your input style and shows every conversion side by side for quick copying.

Convert data between text, binary, hexadecimal, decimal, octal, and Base64, with automatic input-format detection and all six representations shown at once. Customize the separator, hex case, and 0x/0b prefixes, then copy any single result or export everything as JSON.

Convert configuration files between YAML and Properties formats in either direction, with automatic format detection for nested structures, arrays, and comment preservation. Adjust indentation, array style, and string quoting, making it a good fit for Spring Boot application settings.

Transform CSV or TSV data into ready-to-use arrays for JavaScript, Python, PHP, Java, and more, as either 2D arrays or header-keyed object arrays. Customize the delimiter, toggle type auto-detection, upload files up to 5MB, and copy or download the generated code.

Transform Excel spreadsheets (XLSX, XLS, CSV, ODS) into programming language arrays for JavaScript, Python, PHP, Java, and more. Multi-sheet support with data type detection and date parsing. Free browser-based tool processing files up to 10MB without server uploads.

Convert Excel spreadsheets (XLSX, XLS, CSV, ODS) to structured JSON data with real-time preview. Supports object and array output formats, multi-sheet selection, header handling, and date parsing. Free browser-based tool processing files up to 10MB with no server uploads.

Build a complete set of SEO meta tags — title, description, keywords, author, canonical URL, Open Graph, and Twitter Card tags — from a simple form. Configure robots directives, preview how your page appears in search results, then copy the ready-to-paste HTML.

Generate placeholder text by words, sentences, or paragraphs with a count slider, and switch between Classic Lorem Ipsum, the original Cicero Latin, Hipster, or Pirate themes. Optionally start with the familiar 'Lorem ipsum' opening, then copy or download the result.