Every file tool you need, running in your browser
Merge PDFs, compress images, convert video, extract audio — all without uploading a single byte. No accounts, no watermarks, no waiting.
Audio tools
View all →Extract, trim, and convert audio without uploading a file. Everything runs on your device using the Web Audio API and a WebAssembly build of FFmpeg.
Video to MP3
Pull the audio track out of any video file and save it as an MP3.
Audio Converter
Convert between MP3, WAV, OGG, M4A, and FLAC with a bitrate you choose.
Audio Cutter
Trim any audio file to a custom time range. Pick your start and end points.
Merge Audio
Join several audio files end to end into one continuous track.
Volume & Fade
Raise or lower volume and add fade-in and fade-out to any audio file.
Audio Speed
Speed audio up or slow it down, with or without shifting the pitch.
Reverse Audio
Play any audio file backwards and save the result.
Image tools
View all →Compress and resize images to exact targets. Both tools draw to a canvas in your browser — no server ever sees the file.
Image Compressor
Shrink images to an exact file size. Set a target in KB and let the tool dial in the quality.
Image Resizer
Resize images to exact pixel or millimeter dimensions with DPI control.
Image Converter
Convert to JPG, PNG, WebP, GIF, BMP, TIFF or ICO without changing dimensions.
Image Cropper
Crop to any region by dragging, with optional fixed aspect ratios.
Rotate & Flip
Rotate an image in 90° steps and flip it horizontally or vertically.
Favicon Generator
Turn one image into a full favicon and app-icon set, bundled as a ZIP.
Color Picker
Pick colors from any image and pull out its dominant palette.
Watermark Image
Stamp text or a logo across an image, with control over size, angle and opacity.
Remove EXIF Data
See what your photos reveal — GPS location, camera, timestamps — then strip it out.
Photo Filters
Adjust brightness, contrast, saturation, blur and more with a live preview.
PDF tools
View all →Merge, split, and shrink PDFs locally. Safe for contracts, medical records, and anything else you wouldn't upload to a stranger's server.
PDF to Word
Convert a PDF into an editable Word document, with paragraphs and headings rebuilt.
Word to PDF
Turn a .docx Word document into a PDF, keeping headings, lists, tables and images.
Merge PDF
Combine multiple PDF files into one document. Drag to reorder before merging.
Compress PDF
Reduce PDF file size by stripping metadata and optimizing the internal structure.
PPT to PDF
Turn a PowerPoint deck into a readable PDF — titles, bullets and speaker notes.
Excel to PDF
Turn an Excel workbook into a PDF table, with every sheet and dates handled properly.
Split PDF
Extract specific pages or page ranges from a PDF into separate files.
PDF to Images
Export every page of a PDF as a PNG or JPG at the resolution you pick.
Rotate PDF
Turn pages 90, 180, or 270 degrees — all of them, or just the ones you pick.
Organize PDF
Delete pages and reorder what's left, working from page thumbnails.
Add Page Numbers
Stamp page numbers onto a PDF with control over position, format, and size.
Watermark PDF
Overlay text across every page at the angle and opacity you choose.
Images to PDF
Combine JPG and PNG images into a single PDF, one image per page.
Sign PDF
Draw or type a signature and place it anywhere on the document.
Crop PDF
Trim the margins off a PDF, or crop every page down to a region you choose.
Extract Pages
Pull the pages you want into a single new PDF and leave the rest behind.
Remove Pages
Delete specific pages from a PDF and keep everything else untouched.
TXT to PDF
Turn a plain text, log or Markdown file into a clean, paginated PDF.
RTF to PDF
Convert a Rich Text Format document to PDF, keeping paragraphs and formatting.
HTML to PDF
Convert a saved HTML file into a readable PDF with working links.
ODT to PDF
Convert a LibreOffice or OpenOffice document into a PDF.
EPUB to PDF
Convert an EPUB ebook into a paginated PDF, chapter by chapter.
HWP to PDF
Convert a Hangul Word Processor .hwpx document into a PDF.
PDF to PPT
Turn each page of a PDF into a PowerPoint slide you can present.
PDF to Excel
Pull the tables out of a PDF into an editable Excel workbook.
PDF Scanner
Scan pages to PDF with your phone or webcam — no app, nothing uploaded.
Edit PDF
Add text to a PDF, white out mistakes, and draw boxes or highlights.
PDF Annotator
Highlight text, draw with a pen and add notes to any PDF.
Redact PDF
Black out text so it is actually removed from the file, not just covered over.
PDF Form Filler
Fill in a fillable PDF form and save it, even if your reader can't.
Flatten PDF
Bake a filled-in form's values into the page so they can't be edited or lost.
PDF to Text
Pull the text out of a PDF as plain text or Markdown, ready to paste anywhere.
Video tools
View all →Trim, convert, and mute video without an upload. Powered by a WebAssembly build of FFmpeg running inside the tab — slower than native, but nothing leaves your machine.
Compress Video
Shrink a video's file size with a quality target you control.
Video Converter
Convert between MP4, WebM, and MKV. Re-encodes, so expect it to take a while.
Video Trimmer
Cut a clip out of a video by start and end time, without re-encoding.
Video to GIF
Turn a section of video into an animated GIF with a custom size and frame rate.
Mute Video
Strip the audio track from a video and keep the picture untouched.
Merge Video
Join several videos end to end into one file.
Video Speed
Make a video play faster or slower, keeping the audio in sync.
Extract Frames
Save frames from a video as images — every frame, or one every few seconds.
Nothing is uploaded
Your files are read into your browser's memory and processed there. No server ever receives them, so there is nothing to leak, log, or delete later.
No account, no limits
No sign-up, no email, no daily quota, and no watermark on the output. There is no server bill to cover, so there is nothing to gate.
As fast as your machine
No upload wait and no queue behind other people's jobs. Processing starts the moment you drop a file and runs at the speed of your own hardware.
What is JunglePDF?
JunglePDF is a collection of 57 free file utilities that work entirely inside your web browser. Unlike traditional online converters that upload your files to a remote server, every operation here happens locally on your computer using standard web technologies — the HTML5 Canvas API, the Web Audio API, and WebAssembly.
That means your photos, contracts, medical records, and audio files never leave your device. There are no file size limits imposed by server bandwidth, no waiting in a processing queue, and no risk of your personal data sitting on someone else's infrastructure after you close the tab.
How does browser-based processing work?
Modern browsers ship with genuinely powerful APIs. When you compress an image here, the tool draws it onto an invisible canvas element and then repeatedly re-encodes it, binary-searching the quality setting until the output lands under your target size. The whole loop runs in your browser's memory.
For audio, the Web Audio API decodes sound files into raw samples that can be sliced, reversed, mixed, and re-encoded. Video and audio conversion use a WebAssembly build of FFmpeg — the same engine professional editing software relies on — running directly inside your tab. PDF operations use pdf-lib to rewrite the document structure, and pdf.js when a page actually needs to be drawn.
Where the limits are
Being honest about this matters more than a marketing claim. WebAssembly encoding runs roughly ten times slower than native FFmpeg, so converting a long video takes minutes rather than seconds — each tool says so before you start. PDF compression is structural only, because pdf-lib cannot re-encode embedded images, so a scan-heavy PDF barely shrinks. And very large files are bounded by your available memory rather than by an upload cap.
Every tool that has a caveat like this states it in the interface, not buried in a help page. A tool that quietly does something different from what you asked is worse than one that tells you what it cannot do.
Why client-side matters
Privacy is the obvious benefit, but there are practical ones too. Client-side tools keep working after the page has loaded, even offline. They run at the speed of your hardware rather than a shared cloud server. And they cost essentially nothing to operate, which is what lets them stay free without upsell prompts, watermarks, or features held behind a paywall.