# CodexFuse > CodexFuse is an all-in-one, fully managed IT platform on pay-as-you-go credits — hosting, VPS, business email, security and backups — with no subscriptions and no lock-ins. Alongside the platform, CodexFuse publishes a library of 2,174 free online tools (PDF tools, image tools, converters, calculators, generators, SEO tools and developer tools) plus a tech blog with 554 articles. ## Key facts - Platform: fully managed IT on pay-as-you-go credits — we run the tech, you run the business. - Services: managed hosting, VPS, business email, security, backups and domains. - Pricing model: pay-as-you-go credits. No subscriptions, no lock-ins. - Free tools library: 2,174 browser-based tools at https://codexfuse.dev/tools/{slug} — converters, generators, calculators, PDF and image utilities, SEO and developer tools. - The tools run in the visitor's browser. - Blog: 554 articles on scalable systems, AI and cloud engineering. - Last updated: 2026-10-21 ## Common questions Q: What is CodexFuse? A: CodexFuse is an all-in-one, fully managed IT platform. It provides managed hosting, VPS, business email, security and backups on a pay-as-you-go credits model, and it publishes a large library of free online tools. Q: How does CodexFuse pricing work? A: CodexFuse runs on pay-as-you-go credits instead of subscriptions. There are no subscriptions and no lock-ins. Q: Are the CodexFuse online tools free? A: Yes. Each tool page is free to use in the browser. The library covers PDF tools, image tools, converters, calculators, generators, SEO tools and developer tools. Q: Do the tools upload the files or text I enter? A: The tools run in the visitor's browser. Q: Where can I find the complete list of tools? A: The complete catalog is in the sitemap (https://codexfuse.dev/sitemap.xml) and in the full companion file https://codexfuse.dev/llms-full.txt ## Platform - [CodexFuse](https://codexfuse.dev/): The all-in-one managed IT platform on credits — we run the tech, you run the business. - [Blog](https://codexfuse.dev/blog): Insights on scalable systems, AI and cloud from the CodexFuse engineering team. - [Changelog](https://codexfuse.dev/changelog): Product updates and newly released tools. ## Most popular tools - [Word Counter](https://codexfuse.dev/tools/word-counter): Count words & characters - [Password Generator](https://codexfuse.dev/tools/password-generator): Generate secure passwords - [QR Code Generator](https://codexfuse.dev/tools/qr-code-generator): Create QR codes - [Image to PDF](https://codexfuse.dev/tools/image-to-pdf): Images to PDF - [PDF to ZIP of Images](https://codexfuse.dev/tools/pdf-to-zip-of-images): Convert PDF pages to images - [Lorem Ipsum Generator](https://codexfuse.dev/tools/lorem-ipsum-generator): Placeholder text fast - [Case Converter](https://codexfuse.dev/tools/case-converter): Change text case - [Text to Speech](https://codexfuse.dev/tools/text-to-speech): Speak text aloud - [BMI Calculator](https://codexfuse.dev/tools/bmi-calculator): Body mass index - [Percentage Calculator](https://codexfuse.dev/tools/percentage-calculator): Everyday percentage math - [Loan Calculator](https://codexfuse.dev/tools/loan-calculator): Calculate monthly payments, interest and amortization - [Color Picker](https://codexfuse.dev/tools/color-picker): Pick it, copy it, ship it - [Character Counter](https://codexfuse.dev/tools/character-counter): Count characters instantly - [YouTube Thumbnail Downloader](https://codexfuse.dev/tools/youtube-thumbnail-downloader): Grab any video thumbnail in HD - [Instagram Bio Generator](https://codexfuse.dev/tools/instagram-bio-generator): Bios in seconds - [Random Number Generator](https://codexfuse.dev/tools/random-number-generator): Generate random numbers - [Typing Speed Test](https://codexfuse.dev/tools/typing-speed-test): Test typing speed & accuracy - [Markdown Editor](https://codexfuse.dev/tools/markdown-editor): Write & preview markdown ## PDF Tools (97) - [AI PDF Chat](https://codexfuse.dev/tools/ai-pdf-chat): Ask the document anything - [AI PDF Summarizer](https://codexfuse.dev/tools/ai-pdf-summarizer): The whole PDF, in minutes - [CBR to PDF](https://codexfuse.dev/tools/cbr-to-pdf): Convert comic CBR to PDF - [CBZ to PDF](https://codexfuse.dev/tools/cbz-to-pdf): Convert comic CBZ to PDF - [DjVu to PDF](https://codexfuse.dev/tools/djvu-to-pdf): Convert DjVu to PDF - [EPUB to PDF](https://codexfuse.dev/tools/epub-to-pdf): Convert EPUB ebooks to PDF - [Google Docs to PDF](https://codexfuse.dev/tools/google-docs-to-pdf): Convert Google Docs to PDF - [HEIC to PDF](https://codexfuse.dev/tools/heic-to-pdf): iPhone photo to PDF - [Image to PDF](https://codexfuse.dev/tools/image-to-pdf): Images to PDF - [Image to PDF Merger](https://codexfuse.dev/tools/image-to-pdf-merger): Merge images into one PDF - [JPG to PDF](https://codexfuse.dev/tools/jpg-to-pdf): Photo to PDF - [LaTeX to PDF](https://codexfuse.dev/tools/latex-to-pdf): Convert LaTeX to PDF document - [Markdown to PDF](https://codexfuse.dev/tools/markdown-to-pdf): Convert Markdown to PDF - [MOBI to PDF](https://codexfuse.dev/tools/mobi-to-pdf): Convert Kindle MOBI to PDF - [ODT to PDF](https://codexfuse.dev/tools/odt-to-pdf): Convert OpenDocument .odt to PDF - [PDF Add Attachment](https://codexfuse.dev/tools/pdf-add-attachment): Attach files to your PDF - [PDF Add Blank Page](https://codexfuse.dev/tools/pdf-add-blank-page): Insert blank pages into your PDF - [PDF Add Image](https://codexfuse.dev/tools/pdf-add-image): Add an image to your PDF - Full list of pdf tools: see https://codexfuse.dev/llms-full.txt ## Image Tools (180) - [Add Text to Image](https://codexfuse.dev/tools/add-text-to-image): Text layers on photos - [AI Avatar Generator](https://codexfuse.dev/tools/ai-avatar-generator): A face for every name - [AI Customer Avatar Generator](https://codexfuse.dev/tools/ai-customer-avatar-generator): One customer, fully known - [AI Gift Idea Generator](https://codexfuse.dev/tools/ai-gift-idea-generator): The right gift, fast - [AI Image Detector](https://codexfuse.dev/tools/ai-image-detector): Check if an image was made by AI - [Animated PNG Maker](https://codexfuse.dev/tools/animated-png-maker): Images to APNG - [Anime Avatar Maker](https://codexfuse.dev/tools/anime-avatar-maker): Anime-style illustrated avatars - [Avatar Maker](https://codexfuse.dev/tools/avatar-maker): Create fun illustrated avatars - [AVIF to JPG](https://codexfuse.dev/tools/avif-to-jpg): AVIF images to JPEG - [AVIF to PNG](https://codexfuse.dev/tools/avif-to-png): AVIF images to PNG - [Before After Image Maker](https://codexfuse.dev/tools/before-after-image-maker): Static before/after composites - [BMP to JPG](https://codexfuse.dev/tools/bmp-to-jpg): BMP images to JPG - [BMP to PNG](https://codexfuse.dev/tools/bmp-to-png): BMP images to PNG - [Bulk Image Compressor](https://codexfuse.dev/tools/bulk-image-compressor): Compress many images at once - [Bulk Image Resizer](https://codexfuse.dev/tools/bulk-image-resizer): Resize many images at once - [Cartoon Avatar Maker](https://codexfuse.dev/tools/cartoon-avatar-maker): Big-head chibi cartoon avatars - [Circle Image Cropper](https://codexfuse.dev/tools/circle-image-cropper): Perfect round profile pictures - [Color Image Generator](https://codexfuse.dev/tools/color-image-generator): Solid color images - Full list of image tools: see https://codexfuse.dev/llms-full.txt ## Media Converters & Tools (107) - [3GP to MP4](https://codexfuse.dev/tools/3gp-to-mp4): 3GP video as MP4 - [AAC to MP3](https://codexfuse.dev/tools/aac-to-mp3): Convert AAC audio to universal MP3 - [AI Audiobook Generator](https://codexfuse.dev/tools/ai-audiobook-generator): Your book, narrated - [AI Video Caption Generator](https://codexfuse.dev/tools/ai-video-caption-generator): Subtitles in seconds - [AI Video Generator](https://codexfuse.dev/tools/ai-video-generator): Prompt to real video - [AI Video Script Generator](https://codexfuse.dev/tools/ai-video-script-generator): Scripts that hold viewers - [AI Video Summarizer](https://codexfuse.dev/tools/ai-video-summarizer): Watch less, learn the same - [AIFF to MP3](https://codexfuse.dev/tools/aiff-to-mp3): Convert AIFF audio to MP3 - [Audio Compressor](https://codexfuse.dev/tools/audio-compressor): Shrink audio files to a smaller size - [Audio Converter](https://codexfuse.dev/tools/audio-converter): Convert audio files between formats - [Audio Cutter](https://codexfuse.dev/tools/audio-cutter): Split audio into multiple MP3 parts - [Audio Equalizer](https://codexfuse.dev/tools/audio-equalizer): 10-band graphic EQ - [Audio Fade In Out](https://codexfuse.dev/tools/audio-fade-in-out): Smooth fades for your audio - [Audio Joiner](https://codexfuse.dev/tools/audio-joiner): Merge multiple audio files into one MP3 - [Audio Metadata Editor](https://codexfuse.dev/tools/audio-metadata-editor): Edit MP3 ID3 tags - [Audio Noise Remover](https://codexfuse.dev/tools/audio-noise-remover): Remove background hiss and hum - [Audio Normalizer](https://codexfuse.dev/tools/audio-normalizer): Even out audio levels - [Audio Pitch Changer](https://codexfuse.dev/tools/audio-pitch-changer): Change pitch without changing speed - Full list of media converters & tools: see https://codexfuse.dev/llms-full.txt ## Calculators (360) - [401k Calculator](https://codexfuse.dev/tools/401k-calculator): Project your 401(k) retirement savings - [A/B Test Calculator](https://codexfuse.dev/tools/a-b-test-calculator): Significance test - [A/B Test Significance Calculator](https://codexfuse.dev/tools/a-b-test-significance-calculator): Rates + sample planner - [Ad Budget Calculator](https://codexfuse.dev/tools/ad-budget-calculator): Plan and track your ad spend - [Adler32 Calculator](https://codexfuse.dev/tools/adler32-calculator): Calculate Adler-32 checksums instantly - [Affordability Calculator](https://codexfuse.dev/tools/affordability-calculator): How much home can you afford? - [Age in Days Calculator](https://codexfuse.dev/tools/age-in-days-calculator): Calendar - [Alcohol BAC Calculator](https://codexfuse.dev/tools/alcohol-bac-calculator): Blood alcohol estimate - [Amortization Calculator](https://codexfuse.dev/tools/amortization-calculator): See your loan amortization schedule year by year - [Anion Gap Calculator](https://codexfuse.dev/tools/anion-gap-calculator): Metabolic acidosis check - [Anniversary Calculator](https://codexfuse.dev/tools/anniversary-calculator): Calendar - [Antilog Calculator](https://codexfuse.dev/tools/antilog-calculator): Inverse log calculator - [APR Calculator](https://codexfuse.dev/tools/apr-calculator): Calculate the true annual cost of your loan - [APY Calculator](https://codexfuse.dev/tools/apy-calculator): Calculate annual percentage yield on savings - [Area Calculator](https://codexfuse.dev/tools/area-calculator): Multi-shape area - [Arithmetic Sequence Calculator](https://codexfuse.dev/tools/arithmetic-sequence-calculator): Arithmetic nth term - [Astronomy Calculator](https://codexfuse.dev/tools/astronomy-calculator): Astronomy - [Average Calculator](https://codexfuse.dev/tools/average-calculator): Mean, median, mode and more - Full list of calculators: see https://codexfuse.dev/llms-full.txt ## SEO Tools (94) - [AI Domain Name Generator](https://codexfuse.dev/tools/ai-domain-name-generator): Domains, scored and ranked - [AI Keyword Extractor](https://codexfuse.dev/tools/ai-keyword-extractor): Find the words that matter - [AI SEO Content Brief Generator](https://codexfuse.dev/tools/ai-seo-content-brief-generator): Briefs writers execute cleanly - [Amazon Keyword Tool](https://codexfuse.dev/tools/amazon-keyword-tool): Common niche - [App Store Keyword Tool](https://codexfuse.dev/tools/app-store-keyword-tool): ASO keywords - [Autocomplete Keyword Tool](https://codexfuse.dev/tools/autocomplete-keyword-tool): Common niche - [Backlink Gap Analyzer](https://codexfuse.dev/tools/backlink-gap-analyzer): Common niche - [Bing Keyword Tool](https://codexfuse.dev/tools/bing-keyword-tool): Bing SEO keywords - [Broken Backlink Finder](https://codexfuse.dev/tools/broken-backlink-finder): Common niche - [Competitor Backlink Checker](https://codexfuse.dev/tools/competitor-backlink-checker): Common niche - [Domain Authority Compare](https://codexfuse.dev/tools/domain-authority-compare): Two domains, one winner - [Domain Availability Checker](https://codexfuse.dev/tools/domain-availability-checker): IT-Tools - [Domain Blacklist Checker](https://codexfuse.dev/tools/domain-blacklist-checker): IT-Tools - [Domain Expiry Checker](https://codexfuse.dev/tools/domain-expiry-checker): IT-Tools - [Domain History Checker](https://codexfuse.dev/tools/domain-history-checker): IT-Tools - [Domain Name Generator](https://codexfuse.dev/tools/domain-name-generator): IT-Tools - [Domain Price Checker](https://codexfuse.dev/tools/domain-price-checker): IT-Tools - [Domain to IP](https://codexfuse.dev/tools/domain-to-ip): IT-Tools - Full list of seo tools: see https://codexfuse.dev/llms-full.txt ## Developer Tools (64) - [Acronym Finder](https://codexfuse.dev/tools/acronym-finder): Decode abbreviations - [AI Regex Generator](https://codexfuse.dev/tools/ai-regex-generator): Patterns, proven live - [AI SQL Generator](https://codexfuse.dev/tools/ai-sql-generator): SQL without the soup - [AMP Validator](https://codexfuse.dev/tools/amp-validator): Valid AMP pages - [Argon2 Hash Generator](https://codexfuse.dev/tools/argon2-hash-generator): Generate secure Argon2 password hashes - [ASCII Art Generator](https://codexfuse.dev/tools/ascii-art-generator): Text to ASCII art - [ASCII to Text](https://codexfuse.dev/tools/ascii-to-text): Decode ASCII codes back into readable text - [Bcrypt Hash Generator](https://codexfuse.dev/tools/bcrypt-hash-generator): Generate secure password hashes - [Binary Code Translator](https://codexfuse.dev/tools/binary-code-translator): Text to binary - [Caesar Cipher Decoder](https://codexfuse.dev/tools/caesar-cipher-decoder): Crack Caesar ciphers - [CSR Decoder](https://codexfuse.dev/tools/csr-decoder): Decode CSRs - [CSS Sprite Generator](https://codexfuse.dev/tools/css-sprite-generator): Build CSS sprites in multiple formats - [Email Validator](https://codexfuse.dev/tools/email-validator): IT-Tools - [Emoji to Unicode](https://codexfuse.dev/tools/emoji-to-unicode): Convert emojis to codepoints - [Excel to HTML](https://codexfuse.dev/tools/excel-to-html): Convert Excel to HTML table - [Excel to JSON](https://codexfuse.dev/tools/excel-to-json): Convert Excel to JSON format - [Excel to XML](https://codexfuse.dev/tools/excel-to-xml): Convert Excel to XML format - [Extract Text from HTML](https://codexfuse.dev/tools/extract-text-from-html): HTML to plain text - Full list of developer tools: see https://codexfuse.dev/llms-full.txt ## Text & Writing Tools (162) - [AI Apology Letter Generator](https://codexfuse.dev/tools/ai-apology-letter-generator): Apologies that repair - [AI Application Letter Generator](https://codexfuse.dev/tools/ai-application-letter-generator): Every application, one format - [AI Appointment Letter Generator](https://codexfuse.dev/tools/ai-appointment-letter-generator): Offers on letterhead, ready - [AI Brand Story Generator](https://codexfuse.dev/tools/ai-brand-story-generator): Five beats, your real story - [AI Cancellation Letter Generator](https://codexfuse.dev/tools/ai-cancellation-letter-generator): Cancel cleanly, in writing - [AI College Essay Generator](https://codexfuse.dev/tools/ai-college-essay-generator): Scene, struggle, lesson - [AI Complaint Letter Generator](https://codexfuse.dev/tools/ai-complaint-letter-generator): Complaints that get answered - [AI Cover Letter Generator](https://codexfuse.dev/tools/ai-cover-letter-generator): Letters that get read - [AI Essay Outline Generator](https://codexfuse.dev/tools/ai-essay-outline-generator): Five paragraphs, budgeted - [AI Essay Writer](https://codexfuse.dev/tools/ai-essay-writer): Essays with structure - [AI Experience Letter Generator](https://codexfuse.dev/tools/ai-experience-letter-generator): Service certificates that compute - [AI Job Offer Rejection Letter](https://codexfuse.dev/tools/ai-job-offer-rejection-letter): Hard letters, written kindly - [AI NOC Letter Generator](https://codexfuse.dev/tools/ai-noc-letter-generator): No-objection, in writing - [AI Paragraph Generator](https://codexfuse.dev/tools/ai-paragraph-generator): Paragraphs with purpose - [AI Paragraph Rewriter](https://codexfuse.dev/tools/ai-paragraph-rewriter): Fresh sentences, same facts - [AI Poem Generator](https://codexfuse.dev/tools/ai-poem-generator): Poems that scan - [AI Recommendation Letter Generator](https://codexfuse.dev/tools/ai-recommendation-letter-generator): LORs with ranking + evidence - [AI Reference Letter Generator](https://codexfuse.dev/tools/ai-reference-letter-generator): Recommendations with evidence - Full list of text & writing tools: see https://codexfuse.dev/llms-full.txt ## Generators (378) - [2FA TOTP Generator](https://codexfuse.dev/tools/2fa-totp-generator): Generate 2FA codes - [404 Page Generator](https://codexfuse.dev/tools/404-page-generator): Custom error page - [About Us Generator](https://codexfuse.dev/tools/about-us-generator): Company story - [Ad Copy Generator](https://codexfuse.dev/tools/ad-copy-generator): 6 ad variations - [Add to Calendar Link Generator](https://codexfuse.dev/tools/add-to-calendar-link-generator): IT-Tools - [Aesthetic Username Generator](https://codexfuse.dev/tools/aesthetic-username-generator): Soft names, pretty wraps - [AI About Us Generator](https://codexfuse.dev/tools/ai-about-us-generator): Three lengths, one truth - [AI Abstract Generator](https://codexfuse.dev/tools/ai-abstract-generator): Four parts, one abstract - [AI Acceptance Criteria Generator](https://codexfuse.dev/tools/ai-acceptance-criteria-generator): Criteria QA can actually test - [AI Ad Copy Generator](https://codexfuse.dev/tools/ai-ad-copy-generator): Four angles, one brief - [AI Amazon Listing Generator](https://codexfuse.dev/tools/ai-amazon-listing-generator): Listings within the limits - [AI Anime Generator](https://codexfuse.dev/tools/ai-anime-generator): Your character, drawn - [AI API Documentation Generator](https://codexfuse.dev/tools/ai-api-documentation-generator): Docs that write themselves - [AI Architecture Doc Generator](https://codexfuse.dev/tools/ai-architecture-doc-generator): Decisions, documented - [AI Art Generator](https://codexfuse.dev/tools/ai-art-generator): Words become images - [AI Article Generator](https://codexfuse.dev/tools/ai-article-generator): Newsroom structure - [AI Baby Name Generator](https://codexfuse.dev/tools/ai-baby-name-generator): Names with meaning - [AI Background Generator](https://codexfuse.dev/tools/ai-background-generator): Scenes without the clutter - Full list of generators: see https://codexfuse.dev/llms-full.txt ## Converters (224) - [12 Hour to 24 Hour Converter](https://codexfuse.dev/tools/12-hour-to-24-hour-converter): 12h to 24h - [Acre to Hectare](https://codexfuse.dev/tools/acre-to-hectare): Convert acres to hectares and other land units - [Acre to Kanal](https://codexfuse.dev/tools/acre-to-kanal): Convert between acre and kanal - [Acre to Marla](https://codexfuse.dev/tools/acre-to-marla): Convert acres to marla and other land units - [Add Days to Date](https://codexfuse.dev/tools/add-days-to-date): Add days - [AI Casual Tone Converter](https://codexfuse.dev/tools/ai-casual-tone-converter): Sound human again - [AI Code Converter](https://codexfuse.dev/tools/ai-code-converter): JS ↔ Python drafts - [AI Formal Tone Converter](https://codexfuse.dev/tools/ai-formal-tone-converter): Boardroom-ready wording - [AI Professional Tone Converter](https://codexfuse.dev/tools/ai-professional-tone-converter): Polish that gets replies - [AI Roman Urdu Converter](https://codexfuse.dev/tools/ai-roman-urdu-converter): Roman to real Urdu script - [Amps to Kva](https://codexfuse.dev/tools/amps-to-kva): Convert Amps to kVA and other power units - [Amps to Watts](https://codexfuse.dev/tools/amps-to-watts): Convert Amps to Watts and other power units - [Angle Converter](https://codexfuse.dev/tools/angle-converter): Convert between angle units - [Area Converter](https://codexfuse.dev/tools/area-converter): Convert between area units - [ATM to PSI](https://codexfuse.dev/tools/atm-to-psi): Convert ATM to PSI and other pressure units - [AZW3 to EPUB](https://codexfuse.dev/tools/azw3-to-epub): Convert Kindle AZW3 to EPUB - [Bandwidth Converter](https://codexfuse.dev/tools/bandwidth-converter): Convert between bandwidth units - [Bar to PSI](https://codexfuse.dev/tools/bar-to-psi): Convert Bar to PSI and other pressure units - Full list of converters: see https://codexfuse.dev/llms-full.txt ## More Tools (508) - [A Record Lookup](https://codexfuse.dev/tools/a-record-lookup): IT-Tools - [Abbreviation Expander](https://codexfuse.dev/tools/abbreviation-expander): Expand text abbreviations - [Ad Preview Tool](https://codexfuse.dev/tools/ad-preview-tool): Live ad mockups - [Add Line Breaks](https://codexfuse.dev/tools/add-line-breaks): Wrap text easily - [AES Decryption](https://codexfuse.dev/tools/aes-decryption): Decrypt AES-256 ciphertext - [AES Encryption](https://codexfuse.dev/tools/aes-encryption): Encrypt text with AES-256 - [Affine Cipher](https://codexfuse.dev/tools/affine-cipher): Mathematical cipher - [AI Action Items Extractor](https://codexfuse.dev/tools/ai-action-items-extractor): Buried tasks, surfaced - [AI Arabic Translator](https://codexfuse.dev/tools/ai-arabic-translator): English and Arabic, both ways - [AI Article Summarizer](https://codexfuse.dev/tools/ai-article-summarizer): Long reads, short answers - [AI Brainstorming Tool](https://codexfuse.dev/tools/ai-brainstorming-tool): Unstick any problem - [AI Chapter Summarizer](https://codexfuse.dev/tools/ai-chapter-summarizer): Chapters, digested - [AI Chatbot Builder](https://codexfuse.dev/tools/ai-chatbot-builder): Your own support bot - [AI Chemistry Solver](https://codexfuse.dev/tools/ai-chemistry-solver): Moles, mastered - [AI Code Debugger](https://codexfuse.dev/tools/ai-code-debugger): Errors, diagnosed - [AI Code Explainer](https://codexfuse.dev/tools/ai-code-explainer): Code, in plain English - [AI Code Reviewer](https://codexfuse.dev/tools/ai-code-reviewer): First-pass review, instant - [AI Content Detector](https://codexfuse.dev/tools/ai-content-detector): Detect whether text was written by AI - Full list of more tools: see https://codexfuse.dev/llms-full.txt ## Full catalog - [llms-full.txt](https://codexfuse.dev/llms-full.txt): Every CodexFuse tool with its description, grouped by category. - [Sitemap](https://codexfuse.dev/sitemap.xml): The complete, always-current list of every tool page and blog post on CodexFuse.