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Free file conversion tools that run right in your browser

40 image, PDF, audio, video and data tools. No uploads to a server, no installs, no account, no watermarks.

Audio Trimmer Cut an MP3 or WAV file down to the exact start and end times you need,… Audio & Video Tools
Color Palette Generator Upload a photo or design and automatically extract its dominant colors as hex codes and CSS… Utilities & Generators
CSV to Excel Converter Wrap a CSV file into a properly formatted XLSX workbook with auto-sized columns. Data & Document Tools
CSV to JSON Converter Turn a spreadsheet-style CSV file into clean, nested JSON that is ready for an API or… Data & Document Tools
Excel to CSV Converter Export the first sheet of an XLSX or XLS workbook to a plain, universally readable CSV… Data & Document Tools
HEIC to JPG Converter Open iPhone HEIC/HEIF photos and turn them into JPG files that work everywhere, without iCloud or… Image Tools
Image Compressor Reduce JPG, PNG and WebP file sizes with a visual quality slider before you upload them… Image Tools
Image Resizer Resize photos to exact pixel dimensions or a percentage scale while keeping the aspect ratio locked. Image Tools
Image to Base64 Converter Encode any image into a Base64 data URI you can paste straight into CSS, HTML or… Image Tools
JPG to PDF Converter Combine one or several JPG photos into a single, print-ready PDF document in the order you… PDF Tools
JPG to PNG Converter Convert JPG or JPEG photos into lossless, transparency-ready PNG files without installing any software. Image Tools
JSON to CSV Converter Flatten a JSON array of objects into a CSV file that opens cleanly in Excel, Sheets… Data & Document Tools
JSON to Excel Converter Turn a JSON array of records into a ready-to-use XLSX spreadsheet with one row per object. Data & Document Tools
Markdown to HTML Converter Render a Markdown README or notes file into a clean, standalone HTML page. Data & Document Tools
MP3 to MP4 Converter Turn an MP3 track into a shareable MP4 video with an animated waveform, ready for YouTube… Audio & Video Tools
MP3 to WAV Converter Decode compressed MP3 audio into uncompressed WAV, the format most audio editors and DAWs expect. Audio & Video Tools
MP4 to MP3 Converter Strip the audio track out of an MP4 video and save it on its own as… Audio & Video Tools
OGG to MP3 Converter Convert open-format OGG audio files into the universally supported MP3 format. Audio & Video Tools
Password Generator Generate strong, random passwords with full control over length and character types. Utilities & Generators
PDF Compressor Rebuild a PDF with optimized internal structure to shave off file size before you email or… PDF Tools
PDF Merge Tool Stitch two or more PDF files together into a single document, in the exact order you… PDF Tools
PDF Page Rotator Fix sideways or upside-down scans by rotating every page of a PDF by 90, 180 or… PDF Tools
PDF Splitter Break a multi-page PDF apart into single-page PDF files, delivered together in one zip download. PDF Tools
PDF to Excel Converter Pull the text lines out of a PDF and lay them into an XLSX spreadsheet, one… Data & Document Tools
PDF to JPG Converter Turn every page of a PDF into a high-resolution JPG image you can download individually or… PDF Tools
PDF to Text Converter Pull all the selectable text out of a PDF into a plain .txt file you can… PDF Tools
PDF to Word Converter Extract the text content of a PDF into an editable Microsoft Word .docx file, page by… Data & Document Tools
PDF Watermark Adder Stamp a custom text watermark diagonally across every page of a PDF to mark drafts or… PDF Tools
PNG to JPG Converter Turn one or many PNG images into compressed JPG files right in your browser, with an… Image Tools
PNG to PDF Converter Turn screenshots, scans or graphics saved as PNG files into one clean, shareable PDF. PDF Tools
PNG to WebP Converter Shrink PNG images into modern, web-optimized WebP files to speed up your pages and save bandwidth. Image Tools
QR Code Generator Create a scannable QR code from any link or text and download it as a crisp… Utilities & Generators
SVG to PNG Converter Rasterize scalable SVG graphics and icons into PNG images at the exact pixel size you need. Image Tools
Text to PDF Converter Turn a plain .txt file into a paginated, nicely margined PDF document in seconds. Data & Document Tools
Video Compressor Shrink MP4 video file size by re-encoding at a lower bitrate, so it is easier to… Audio & Video Tools
Video to GIF Converter Clip a short section of any video and turn it into a looping animated GIF you… Audio & Video Tools
WAV to MP3 Converter Compress large WAV recordings into small, shareable MP3 files with an adjustable bitrate. Audio & Video Tools
WebP to PNG Converter Unpack modern WebP images saved from websites back into universally compatible PNG files. Image Tools
Word Counter & Text Analyzer Instantly count words, characters, sentences and estimated reading time for any piece of text. Utilities & Generators
XML to JSON Converter Parse an XML document into structured JSON while preserving attributes, nesting and repeated tags. Data & Document Tools

Why people use ToolNest

Nothing leaves your device

Every tool on this site processes your file locally, inside your own browser tab, using JavaScript. Your files are never uploaded anywhere — which also means no upload wait and no server queue.

No installs, no accounts

There is nothing to download and nothing to sign up for. Open a tool, drop in a file, and get your result.

Genuinely free

No per-conversion limits, no watermarks stamped on your files, no premium tier hiding basic features.