ToolsBox

All Your Digital Tools in One Box

688+Free Online Tools

Convert images. Edit PDFs. Format code. Generate colors.
All in your browser - nothing leaves your device.

Browse all 688 tools

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Discover the perfect tool for your needs

Color Tools

32 tools

Image Tools

134 tools

PDF Tools

86 tools

Text Tools

30 tools

Code Tools

93 tools

Converters

32 tools

Calculators

72 tools

Generators

41 tools

Social Media Tools

35 tools

SEO Tools

36 tools

Audio Tools

97 tools

Most Popular This Week

Based on real usage analytics from the past week, these are the most accessed online tools for file conversion, PDF editing, image processing, text formatting, and productivity. Join thousands of professionals who trust these proven solutions for daily workflows.

License Key Generator

Create software license keys securely

Extract PDF tables into Excel spreadsheets

Convert Word documents to PDF format

Convert PDF documents to editable Word format

D&D Character Stat Generator

Roll D&D ability scores with multiple methods

Audio Volume Booster

Boost and increase audio volume up to 5x

Create printable booklets from PDF documents

PDF Background Color

Change the background color of PDF pages

PDF to PowerPoint

Convert PDF pages to PowerPoint slides

Recently Added Tools

MKV Audio Player

Play audio from MKV video files in your browser

Play MP2 broadcast audio in your browser

Play CAF Apple audio files in your browser

Play AMR voice recordings in your browser

Play AC3 Dolby Digital files in your browser

Play WMA files in your browser

MKV to AAC Converter

Extract MKV video audio to AAC

MKV to OGG Converter

Extract MKV video audio to OGG

MKV to MP3 Converter

Extract MKV video audio to MP3

MKV to WAV Converter

Extract MKV video audio to WAV

MP2 to AAC Converter

Convert MP2 broadcast audio to AAC

MP2 to OGG Converter

Convert MP2 broadcast audio to OGG

Curated Collections

Discover expert-curated tool collections designed for specific workflows and use cases. Each collection includes guides, best practices, and FAQs.

Online Audio Players

Browser audio players for MP3, WAV, FLAC, OGG, AAC, WebM, and Opus files. Drop a file in and playback starts without uploads or installs.

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Audio Effects & Filters

Audio effect tools that add reverb, delay, distortion, chorus, flanger, and frequency filters to any clip, processed locally in the browser.

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Markdown Conversion Tools

Convert Markdown to HTML, LaTeX, RST, AsciiDoc, BBCode, Jira, Slack, Confluence, Discord, JSON, and back. Cross-platform docs without rewrites.

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TIFF Image Conversion Tools

TIFF image converters that move pictures into and out of the .tif format used by print labs, photo archives, and publishing pipelines.

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Image Data Extraction Tools

Image to data extractors that export pixel color values to CSV, JSON, XML, or Excel for analysis, machine learning, or scientific research.

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Image Editing & Optimization Tools

Edit and modify images without uploading. Resize dimensions, crop margins, rotate angles, and mirror pictures directly in your web browser securely.

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Image Effects & Artistic Filters

Image filter tools that apply vintage, sepia, grayscale, blur, color inversion, and duotone effects to JPG, PNG, or WebP files.

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Icon & Favicon Creation Tools

Convert PNG, JPG, SVG, WebP, AVIF, HEIC, BMP, TIFF, GIF, JXL, or TGA into multi-size .ico favicon files for websites and desktop apps.

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Modern Image Format Converters

Convert next-generation image formats effortlessly. Transform WebP, AVIF, and HEIC files to optimize web performance and reduce delivery sizes.

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688+ Free Online Tools

Convert images. Edit PDFs. Format code. Generate colors. ToolsBox is a free, browser-based toolkit with 688+ utilities that run entirely in your browser — no uploads, no sign-ups, nothing leaves your device.

Tool Categories

Most Popular This Week

License Key Generator — Generate software license keys and serial numbers with validation patterns and secure generation algorithms. Perfect for software licensing, product keys, and activation systems with professional-grade security.
PDF to Excel — Convert PDF tables and data to Excel XLSX format with column detection and data extraction. Perfect for extracting tabular data from PDF reports into editable spreadsheets.
Word to PDF — Convert Word DOCX documents to PDF format with formatting preservation and professional output. Perfect for creating shareable PDF documents from Word files.
PDF to Word — Convert PDF documents to editable Word DOCX format with text extraction and layout preservation. Perfect for editing PDF content in Microsoft Word, Google Docs, or other word processors.
D&D Character Stat Generator — Generate D&D character ability scores using Standard Array, 4d6 Drop Lowest, 3d6 Straight, and Heroic rolling methods. View detailed dice roll breakdowns, ability modifiers, and color-coded stat displays for tabletop RPG character creation.
Audio Volume Booster — Increase the volume of quiet audio files by up to 5x. Perfect for making low-volume recordings, interviews, and voice memos louder and easier to hear. Simple multiplier control for precise volume adjustment.
PDF Booklet — Create printable booklets from PDF documents with proper page imposition for folding and binding. Perfect for creating professional booklets, brochures, and folded documents.
PDF Background Color — Change the background color of PDF pages for visual customization, branding, or accessibility purposes. Perfect for creating colored documents, matching brand guidelines, or improving readability.
PDF to PowerPoint — Convert PDF documents to editable PowerPoint PPTX presentations with slide detection and content extraction. Perfect for repurposing PDF content into presentation slides.

Recently Added

MKV Audio Player — Play the audio track from MKV (Matroska) video files directly in your browser. Powered by FFmpeg WebAssembly. Listen to audio from MKV movies or TV shows without a video player.
MP2 Player — Play MP2 (MPEG-1 Audio Layer II) files directly in your browser. Powered by FFmpeg WebAssembly. MP2 is used in broadcast TV and radio. Play it anywhere without special software.
CAF Player — Play CAF (Core Audio Format) files directly in your browser. Powered by FFmpeg WebAssembly. Listen to iOS and macOS audio files without needing Apple software installed.
AMR Player — Play AMR (Adaptive Multi-Rate) voice recordings directly in your browser. Powered by FFmpeg WebAssembly. Listen to Android voice memos and call recordings without installing any apps.
AC3 Player — Play AC3 (Dolby Digital) audio files directly in your browser. Powered by FFmpeg WebAssembly. No special decoder needed to play DVD and broadcast AC3 audio on any device.
WMA Player — Play WMA (Windows Media Audio) files directly in your browser, no Windows Media Player required. Powered by FFmpeg WebAssembly for instant, private playback on any device.
MKV to AAC Converter — Extract and convert the audio track from MKV (Matroska) video files to AAC format. Powered by FFmpeg WebAssembly. AAC is compatible with Apple devices, Android, and all streaming platforms.
MKV to OGG Converter — Extract and convert the audio track from MKV (Matroska) video files to OGG Vorbis format. Powered by FFmpeg WebAssembly. OGG is a free open-source format great for web audio and gaming.
MKV to MP3 Converter — Extract and convert the audio track from MKV (Matroska) video files to MP3 format. Powered by FFmpeg WebAssembly. Listen to audio from MKV movies or TV shows on any device.
MKV to WAV Converter — Extract and convert the audio track from MKV (Matroska) video files to uncompressed WAV format. Powered by FFmpeg WebAssembly. Ideal for editing audio from MKV movies or shows in any DAW.
MP2 to AAC Converter — Convert MP2 (MPEG-1 Audio Layer II) broadcast audio to AAC format. Powered by FFmpeg WebAssembly. AAC is the modern successor to MP2 and the standard for streaming platforms.
MP2 to OGG Converter — Convert MP2 (MPEG-1 Audio Layer II) broadcast audio to OGG Vorbis format. Powered by FFmpeg WebAssembly. OGG offers better quality at equivalent bitrates as a free open-source alternative.

Why Choose ToolsBox?

All tools process data locally in your browser using JavaScript and WebAssembly. Your files never leave your device, ensuring complete privacy. No accounts, no subscriptions, no watermarks — just fast, professional-grade results.

Featured Collections

Online Audio Players — Browser audio players for MP3, WAV, FLAC, OGG, AAC, WebM, and Opus files. Drop a file in and playback starts without uploads or installs.
Audio Effects & Filters — Audio effect tools that add reverb, delay, distortion, chorus, flanger, and frequency filters to any clip, processed locally in the browser.
Markdown Conversion Tools — Convert Markdown to HTML, LaTeX, RST, AsciiDoc, BBCode, Jira, Slack, Confluence, Discord, JSON, and back. Cross-platform docs without rewrites.
TIFF Image Conversion Tools — TIFF image converters that move pictures into and out of the .tif format used by print labs, photo archives, and publishing pipelines.
Image Data Extraction Tools — Image to data extractors that export pixel color values to CSV, JSON, XML, or Excel for analysis, machine learning, or scientific research.
Image Editing & Optimization Tools — Edit and modify images without uploading. Resize dimensions, crop margins, rotate angles, and mirror pictures directly in your web browser securely.
Image Effects & Artistic Filters — Image filter tools that apply vintage, sepia, grayscale, blur, color inversion, and duotone effects to JPG, PNG, or WebP files.
Icon & Favicon Creation Tools — Convert PNG, JPG, SVG, WebP, AVIF, HEIC, BMP, TIFF, GIF, JXL, or TGA into multi-size .ico favicon files for websites and desktop apps.
Modern Image Format Converters — Convert next-generation image formats effortlessly. Transform WebP, AVIF, and HEIC files to optimize web performance and reduce delivery sizes.