Free web tools gather here across image editing, file conversion, diagrams, downloads and privacy. Image entries cover avatar generators, background removal and inpainting, while diagram entries include Excalidraw, draw.io and PlantUML. Several items address downloads, including an open-source manager, a media downloader and direct Microsoft file links. The list also covers temporary email and phone numbers, VPN access, scam lookups and a Windows privacy script.
- image tools
- RoboHash, DiceBear, and Peek turn a string into the same avatar every time. Licenses, the DiceBear 10 and 11 split, and how to call each one are in Deterministic Avatars.
- SauceNAO is a specialized reverse image search engine for finding the source of anime, manga and artwork images. It searches dozens of databases including pixiv, Danbooru, MangaDex, ArtStation, DeviantArt, Twitter and many other platforms. Users can upload an image or paste a URL to quickly identify the source, the artist or related content. An indispensable tool for anime fans, artists and anyone who needs to trace the origin of a piece of art.
- Generated Photos Anonymizer is a free AI tool that protects your identity by generating photos that look like you from an uploaded selfie. It analyzes facial features such as skin tone, age, gender and hair length, then creates a synthetic face resembling you without revealing your real identity. Photos are processed in RAM and never stored on the server. Useful for anyone who wants to keep their privacy on social media or online profiles.
- PFPMaker is a free AI profile picture maker that helps users create professional and creative profile photos in seconds. You can upload a selfie and instantly remove or change the background, generate AI portraits, apply artistic styles and fine-tune every detail. The platform offers 27+ tools including passport photo creation, emoji PFPs and an AI photo editor. With more than 18 million users and 55 million images generated, it is an all-in-one solution for LinkedIn, social networks and messaging apps.
- Removal.ai is a free AI tool that automatically removes image backgrounds instantly. It produces clean, smooth cutouts and can handle complex subjects such as hair and fur. Users can also replace the background with a solid color or a custom image, and use the built-in editor to add text and effects. The platform offers batch processing, an API for developers and professional photo editing services, suitable for individuals, photographers, e-commerce stores and businesses.
- Cleanup.pictures is a free AI inpainting tool that removes objects, people, text, watermarks and blemishes from any photo in seconds. Just brush over the area to remove and the AI reconstructs what is behind it. The free version supports images up to 720p, while the Pro version handles unlimited sizes with higher quality. Widely used by photographers, real estate agencies, creative agencies and e-commerce businesses for fast, professional photo editing.
- Remove.bg is a popular AI tool that automatically removes image backgrounds in seconds with high accuracy. It supports batch editing of up to 500 images per minute and integrates with Figma, Photoshop and Zapier. Users can generate custom AI backgrounds and export images with a transparent or white background. Available as a web app, desktop app, mobile app and API, serving photographers, marketers, e-commerce businesses and developers who need fast, professional background removal at scale.
- Photoshop online on BietMayTinh is a free online photo editor that runs in the browser with no installation. It supports many image formats such as PSD, JPEG, PNG, WebP and SVG, and offers a full range of editing features from basic to advanced, including cropping, adding text, background removal, blurring, and banner and poster design. The interface resembles traditional Photoshop with Layer support, an operation history and many useful tools, suited to Vietnamese users who need quick and convenient photo editing.
- Duotones.co is a free online tool for creating duotone effects on images. It offers many preset color pairs based on popular themes such as Spotify, Gryffindor, Blueberry and Sepia, and also lets you customize the colors. Users can upload a photo, adjust the settings and download the result as a JPG. Useful for designers, marketers and content creators who want to quickly apply a stylish duotone filter to photos for websites, social media, posters and creative projects.
- Pablo by Buffer is a free online image creation tool for social media content. It lets users quickly design images for Facebook, Twitter, Instagram and Pinterest by combining royalty-free photos with text overlays and custom filters. It provides a simple interface with a library of 600,000+ stock photos, ready-made design templates and quote formats, resizable for each platform. Pablo suits marketers, bloggers and social media managers who need to create professional visual content without design skills or expensive software.
- Subtle Patterns is a high-quality collection of seamless textures and patterns for web designers, graphic artists and digital creators. Originally an independent project, it was later acquired by Toptal. The site offers hundreds of free, minimalist patterns that can be previewed live before downloading. Each pattern is tastefully designed, suitable for website backgrounds, app interfaces, printed materials and other design projects. Users can browse by category and download individual patterns or the entire collection for both personal and commercial projects.
- download os
- Hoàng Hảo PC is a free software resource sharing website built by an individual, Hoàng Hảo. The site provides download links for customized Windows operating systems such as HHOS and DTOS, original Windows and macOS installers, Microsoft Office installers and many utility programs. It also includes technical guides such as fixing printer errors and configuring networks. The interface is simple and easy to use, built on Google Sites. A useful resource for Vietnamese users who need to download software and operating systems.
- TechBench by rg-adguard is an online tool that provides direct download links for original Microsoft files, including Windows operating system ISOs and Office installation packages. The service indexes more than 157,000 Microsoft files totaling about 477 TB of data. Users can search by product type, edition, language and version, then receive verified download links from Microsoft servers. Each file comes with detailed metadata and MD5, SHA-1, SHA-256 and SHA-512 hashes for verification. Especially useful for users who need clean, unmodified Microsoft installation media.
- os
- BalenaEtcher is a free open-source utility for safely and easily flashing operating system images to SD cards and USB drives. Developed by balena, the process takes three simple steps: select the image file, select the target drive and flash. The tool validates each write to ensure the flashed drive boots correctly and is not corrupted. It protects system drives by default to avoid accidental data loss. BalenaEtcher is cross-platform, running on Windows, macOS and Linux. It supports flashing bootable ISOs for almost any operating system and is built with JavaScript, Node.js and Electron.
- Winstall is a web interface for browsing the winget repository, Microsoft's official package manager for Windows. The site offers a friendly way to search and discover more than 12,200 software packages available for installation. Users can browse popular apps, search by name, publisher, tag or description, and generate bulk install commands to set up many apps at once. The platform is especially useful for quickly equipping a new Windows device with essential software, turning the command-line winget experience into an accessible web interface.
- youtube
- YT1s was a free YouTube to MP3 and MP4 converter that let you download YouTube videos as audio or video files. The service has been shut down for copyright infringement following legal action by IFPI. The shutdown notice warns that sites that convert licensed streams into free downloads are illegal, and that using or operating them can lead to serious legal consequences including criminal conviction. Users are directed to use licensed music services instead.
- YTMP3 is a free online converter that lets you download YouTube videos as MP3 or MP4. No registration or software installation is needed, and it works on computers, phones and tablets. Users simply copy the YouTube video URL, paste it into the tool, choose the output format and click convert. The tool uses in-house conversion software rather than a third-party solution, allowing faster conversion and safer file downloads. Conversion time depends on the video length.
- wallpapers
- The official Studio Ghibli works page, covering detailed information on all 26 films. From Nausicaä of the Valley of the Wind to The Boy and the Heron, it collects data for each film such as the director, producer, music, voice cast, running time, distributor and release date. It includes works directed by Hayao Miyazaki and Isao Takahata, as well as films by directors such as Gorō Miyazaki and Hiromasa Yonebayashi. Each film page also provides high-quality stills, so you can enjoy the appeal of Ghibli films visually. A valuable official source of information for fans, offering a full overview of Ghibli's long history and creative output.
- Wallpaper Abyss by Alpha Coders is a huge online wallpaper repository offering HD, 4K and 8K+ wallpapers for computers and mobile devices. The site has a vast collection organized by category including games, anime, movies, nature, cars and more. Users can browse trending, popular and latest wallpapers, submit their own work and join community contests. The platform supports both light and dark themes and offers a premium ad-free browsing experience.
- Unsample.net is a website that offers high-quality free photography to download and use. The platform lets photographers share their photos and users download them for free for personal and commercial projects. The site focuses on high-quality photos across a variety of subjects from landscapes and nature to everyday life.
- Anime Gif Aesthetic is a Tumblr blog that curates and shares aesthetic anime GIFs. The blog has a broad collection of vintage and retro-style animated GIFs from 90s anime, with themes including scenery, VHS glitch effects, pastel aesthetics and atmospheric imagery. Content is tagged by category such as 90s anime, vintage anime and anime scenery. The blog serves as a curated collection for anime art enthusiasts looking for beautiful, nostalgic moving imagery.
- diagram
- okso.app is a free online drawing and sketching tool for creating visual notes, diagrams and illustrations right in the browser without registration, with touch and stylus input support for fast visual communication.
- Excalidraw is a free, open-source virtual whiteboard designed for creating hand-drawn-style diagrams and sketches. The clean, minimalist interface lets you draw shapes, lines, arrows and text with a natural, hand-sketched look. It supports real-time collaboration for multiple users working on the same canvas simultaneously. Widely used for brainstorming, wireframing, architecture diagrams and visual explanations. No account or installation is required; start drawing immediately in the browser.
- draw.io (diagrams.net) is free online diagramming software for creating many kinds of professional diagrams right in the browser. It supports flowcharts, network diagrams, UML, ER diagrams, BPMN, circuit diagrams and database schema design. It can import files from Microsoft Visio, Gliffy and Lucidchart, making migration from other tools easy. The platform is entirely web-based, requires no registration, and offers a powerful, accessible solution for technical diagramming needs.
- ToDiagram is an online diagram editor that turns JSON data and structured content into visual diagrams. Built with AI capabilities, it lets users display complex data structures, relationships and hierarchies as intuitive graphics. The editor supports sharing and collaboration, integrates with JSON Crack, and provides a streamlined interface for converting raw data into visual representations for developers and analysts.
- Fcode Share is a website that helps you quickly get download links for files from Fshare. Users just paste an Fshare link and the system automatically fetches the file information and generates a direct download link. The site has a sharing feature that lets users share download links and earn rewards for each successful share. It also supports buying Fshare points and buying Fcode at reasonable prices.
- Gopeed is a fast, modern, open-source download manager built with Golang and Flutter, supporting HTTP, BitTorrent, Magnet links and e2k. It runs on all major platforms including Windows, macOS, Linux, Android and iOS, and can also be deployed via Docker or as a web app. Beyond basic downloading, Gopeed is highly customizable through an API and extension system, and provides browser extensions for Chrome, Edge and Firefox.
- AIGif.net is an online tool that uses AI to create and edit animated GIFs. Users can upload images or videos and apply AI effects to create creative, fun GIFs. The tool supports customizing GIF speed, size and quality, and is suited to creating animated visual content for social media, blogs and creative projects.
- Cobalt is a free, open-source media downloader that lets you save video and audio from many online platforms without ads or tracking. It supports downloads from many popular services with options for choosing the format, audio quality and muting. The tool focuses on privacy and simplicity and requires no account registration. Users just paste a URL and quickly and easily download the media content they want.
- MarkdownDown is an online tool that converts any web page into clean Markdown. It offers options to strip non-content elements, download images locally and apply GPT-based filtering on the Markdown output. Useful for researchers, writers and developers who want to extract and reuse web content in structured Markdown while preserving images and formatting.
- StackEdit is a powerful browser-based Markdown editor offering a rich editing experience with real-time preview. It supports syncing documents with cloud storage services such as Google Drive and Dropbox, publishing to WordPress and GitHub, and offline editing. The editor has a friendly interface with formatting tools, ideal for writers, bloggers and developers working with Markdown.
- VeryUtils Online Excel is a free online spreadsheet application that lets you open, view and edit Excel files right in the browser without installing Microsoft Excel. It supports loading local XLSX files or remote spreadsheets, and offers many demo templates such as cash management, expense tracking and assignment planning. Users can export their work easily, making it a convenient tool for quick spreadsheet tasks.
- Microsoft Activation Scripts (MAS) is a popular open-source GitHub project that provides free activation tools for Windows and Office products. It supports several activation methods including HWID, Ohook, TSforge and Online KMS. The tool can be run via a simple PowerShell command or by downloading a batch script. It also includes advanced troubleshooting features and is compatible with Windows Vista through Windows 11.
- Thích Tài Liệu is a free, ad-free study material sharing website focused mainly on IELTS and TOEIC preparation and English from grade 6 to grade 12. The site provides thousands of exercises on grammar, vocabulary, reading comprehension, fill-in-the-blank, and mock national high school exam papers with detailed answers. A useful resource for pupils, students and self-learners of English.
- Yandex Translate OCR is an online optical character recognition and translation tool that extracts text from images and photos, then translates it into the desired language. It supports uploading JPG, PNG, GIF, DOC, PDF, XLS and PPT files up to 5MB. Useful for quickly and accurately translating scanned documents, screenshots, signs and any image containing text across many languages.
- Microsoft Store Generation Project is an online link generation tool that lets users get direct download links from the Microsoft Store. By entering a Store URL, Product ID or Package Family Name, users can generate all available download links for apps, games and other content. It supports Retail and other release rings, and is useful for downloading Microsoft Store packages directly without using the Store app.
- 10MinutesEmail is a free temporary email service that provides a disposable email address that self-destructs after ten minutes. Useful for signing up on websites, receiving verification codes or accessing content that requires an email registration without exposing your real email address to spam. The service needs no registration, helping protect your privacy while browsing.
- LaTeX2PNG is a simple online tool that converts LaTeX equations and mathematical expressions into high-quality PNG images with a transparent background. Users enter LaTeX code and customize the output resolution and color settings. The tool is designed for creating presentation slides and documents and for quickly sharing mathematical notation without needing a full LaTeX installation on your computer.
- A free online audio converter that converts audio files to many popular formats including MP3, WAV, M4A, FLAC, OGG, AMR and iPhone ringtones. It is compatible with 300+ formats, and lets you extract audio from video, convert in batches and edit track information such as title, artist and album. Users can customize audio quality, bitrate, sampling frequency and number of channels. The app works directly in the browser with no installation, processes quickly and automatically deletes files when finished for security.
- A free online file sharing service that automatically deletes files after they are downloaded, protecting privacy. Users can upload files up to 2 GB and share the link without registering. All files are encrypted on the server and communication is protected with HTTPS/TLS. It supports setting an expiration time and provides a simple REST API for developers to integrate. It operates anonymously, does not track personal data and keeps no backups.
- IBM Watson Speech to Text Demo is an online speech-to-text tool developed by IBM. Using AI speech recognition technology, the service lets you upload audio files or record directly to be converted to text automatically. It supports many languages and real-time recognition with high accuracy. Useful for transcribing meeting recordings, interviews and voice notes, and for generating video subtitles. The demo interface is simple and easy to use for trying out IBM Watson's speech recognition capabilities.
- FPT.AI Voicemaker is a Vietnamese text-to-speech platform developed by FPT with AI technology. It offers a diverse range of voices with Northern, Central and Southern regional characteristics and up to 98% realism. Users can customize reading speed, add pauses and set pronunciation for specialized terminology. It supports fast processing of long texts and integrates into chatbots, apps and call centers via API. Notable voices include Ban Mai, Lê Minh, Linh San, Thu Minh and Gia Huy, suited to videos, podcasts, audiobooks and e-learning.
- CheckScam.info is a Vietnamese community for online scam warnings and checks. The site lets you look up information on phone numbers, bank accounts, addresses and individuals or organizations showing signs of fraud. Users can report scam cases to warn the community, helping prevent financial risk. Data is continuously updated from user contributions. A useful tool for Vietnamese users to check trustworthiness before online purchases, renting property or transferring money to strangers.
- SMSPool is a service that provides temporary virtual phone numbers for receiving SMS verification messages online. Users can buy phone numbers from many countries to register accounts on websites and apps without using a personal number. The service works on a pay-per-message or package basis, supporting many countries and carriers. Useful for anyone who wants to protect their personal phone number when signing up for online services, avoiding spam and the risk of exposing information.
- VPN Gate is a free public VPN project run by the University of Tsukuba in Japan. It provides more than 5,000 VPN servers contributed by volunteers worldwide, supporting SoftEther VPN, L2TP/IPsec, OpenVPN and MS-SSTP. Users can bypass firewalls to access restricted websites, hide their IP address and protect data on public Wi-Fi with strong encryption. Compatible with Windows, Mac, iPhone, iPad and Android, it has recorded more than 21 billion connections from 239 countries, and is completely free with no registration.
- Privacy.sexy is a free, open-source tool that maximizes privacy and security on Windows, macOS and Linux. The app provides automation scripts to disable data tracking, clear browsing history, manage app permissions and configure security. The intuitive interface lets you select and apply individual privacy options as needed, and they can be reverted at any time. Useful for users who want control over their personal data without deep technical knowledge of system configuration.
- Blackbox AI is an AI-powered coding platform offering AI agents that automate the software development workflow. It can run multiple AI agents in parallel to refactor code, generate tests, deploy applications, run security checks and optimize performance. Available as a CLI, IDE extensions, cloud services and an OpenAI-compatible API. A standout feature is the Chairman LLM system, which evaluates and picks the best solution from multiple agents. It supports many advanced language models and suits development teams that want to ship code faster.
- Snipit.io is a cloud code snippet manager for individuals and software development teams. Users can store, organize and share code snippets with grouping into lists and collections. It supports syntax highlighting for 140+ programming languages, tags and favorites. Browser extensions for Chrome, Safari and Firefox let you save snippets directly from web pages, and VS Code integration retrieves snippets right in the editor. The free personal plan has unlimited public snippets, and the Pro plan from 5 euros per month supports private snippets.
- JSON Crack is an online tool that visualizes JSON data as interactive graphs, trees and diagrams. Users can paste or import a JSON file and immediately see the data structure displayed visually, making complex nested objects and arrays easy to understand. The editor supports multiple views including graph, tree and table. It offers live transformation, search, filtering and export. JSON Crack is especially useful for developers who need to analyze, debug or present JSON data more visually than raw text.
- PlantUML Web Server is an online tool for creating UML diagrams from simple text descriptions. Instead of drawing diagrams manually, users write text in PlantUML syntax to create sequence, class, use case, activity, component, state diagrams and more. The web server renders the text into PNG, SVG or ASCII art. It supports many themes and styles. PlantUML is widely used by developers and architects to quickly create and share professional diagrams from version-controlled text files.
- Name that Color is a simple but useful web tool created by Chirag Mehta that helps users identify the name of any color. Users can click and drag on a color wheel or paste a CSS hex code to find the closest matching color name from a database of 1,500+ named colors drawn from Wikipedia, Crayola and Resene. The tool displays the selected color and the closest match side by side. Useful for designers and developers who want to use descriptive color names instead of hex codes in their projects.
- Sandboxels is a free browser-based falling-sand simulator developed by R74n. It has a sophisticated physics engine with simulation of heat, electricity, density, chemical reactions, cooking mechanics and fire spread. With more than 500 unique elements in categories such as liquids, powders, gases, plants and animals, users can experiment with thousands of interactions between materials. The simulator supports touch controls, modding and offline play. Sandboxels has educational applications in biology, chemistry, ecology, geology and virology.
- An AI-based online ID photo website that lets users take and edit ID photos, identity card photos and passport photos right in the browser. You can upload a photo or capture one directly from a webcam, then the size and background are automatically cropped and adjusted to the required standard. It supports many types of ID photos with standard sizes for citizen ID cards (CCCD), passports, driver's licenses and certificates. A useful tool for anyone who needs an ID photo quickly without going to a photo studio.
See also: Media Editors · Diagram Tools · Web Resources