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.
Voice Recorder
Record your microphone straight to a file you can download.
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.
Passport Photo Maker
Crop a photo to passport size and lay it out as a printable sheet.
Resize Image to KB
Squeeze a photo or signature under an exact file size in KB.
Background Remover
Cut the background out of a photo and save it with transparency.
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.
Unlock PDF
Remove the password from a PDF you can already open.
Protect PDF
Add a password to a PDF so it cannot be opened without it.
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.
Crop & Rotate Video
Cut a video down to part of the frame, or turn it the right way up.
Video Watermark
Stamp text or a logo onto a video and pick where it sits.
Screen Recorder
Record your screen, a window or a tab, with or without sound.
Developer tools
View all →Decode, format, and generate the things developers reach for a dozen times a day. Every tool runs on your device — paste a token or a query and nothing is sent anywhere.
JWT Decoder
Decode a JSON Web Token to read its header and payload, and check when it expires.
UUID Generator
Generate random v4 UUIDs one at a time or in bulk, ready to copy.
JSON Formatter
Pretty-print messy JSON with proper indentation, or minify it back to one line.
JSON Validator
Check whether a block of JSON is valid and get the line and column of the first error.
SQL Formatter
Format a cramped SQL query into readable, indented lines with keywords aligned.
HTML Formatter
Indent and tidy raw HTML so nested tags are readable, or collapse it back down.
CSS Beautifier
Format minified or messy CSS into clean, indented rules — or minify it for shipping.
Base64 Encode/Decode
Convert text to Base64 and back, with full Unicode handled correctly.
URL Encode/Decode
Percent-encode text for safe use in URLs, or decode an encoded string back to plain text.
Regex Tester
Test a regular expression against your text and see every match highlighted live.
Hash Generator
Generate SHA-1, SHA-256, SHA-384 and SHA-512 hashes of any text.
Timestamp Converter
Convert a Unix timestamp to a human date and back, in your local time and UTC.
Password Generator
Build a strong random password and see how long it would take to crack.
CSV ↔ JSON
Turn a CSV table into JSON records, or JSON back into a CSV.
XML Formatter
Indent messy XML so it can be read, or squash it back to one line.
Text tools
View all →Clean up, transform, and count text without leaving the page. Sort lines, strip duplicates, change case, generate slugs — every tool runs on your device as you type.
Remove Duplicate Lines
Remove repeated lines from a list, keeping the first of each.
Remove Blank Lines
Strip empty and whitespace-only lines from a block of text.
Alphabetical Sort
Sort lines alphabetically, A→Z or Z→A, with numeric and case options.
Reverse Text
Reverse text by characters, or flip the order of the words or lines.
Random Text Generator
Generate lorem ipsum or random placeholder text by words, sentences or paragraphs.
Word Counter
Count words, characters, sentences and paragraphs as you type.
Character Counter
Count characters with and without spaces, live as you type.
Case Converter
Convert text between UPPERCASE, lowercase, Title Case, camelCase and more.
Slug Generator
Turn any title into a clean, URL-safe slug.
HTML Entity Encoder
Encode text to HTML entities to display it safely, or decode entities back.
Morse Code Converter
Translate text to Morse code and Morse code back to text.
Binary ↔ Text
Convert text to binary and binary back to readable text.
Diff Checker
Compare two blocks of text and highlight every line that changed.
Subtitle Converter
Convert subtitles between SRT and VTT, and shift timings that drift.
Calculators tools
View all →Work out loans, investments, tax and dates in seconds. Every calculator runs on your device — enter your numbers and nothing is sent anywhere.
EMI Calculator
Work out the monthly EMI on a loan from the amount, interest rate and tenure.
SIP Calculator
Estimate the future value of a monthly SIP from the amount, return and duration.
FD Calculator
Calculate the maturity amount and interest on a fixed deposit.
GST Calculator
Add or remove GST at any rate, with the tax split into CGST and SGST.
Loan Calculator
See the monthly payment, total interest and total cost of any loan.
Salary Calculator
Break a yearly salary down to monthly, weekly, daily and hourly pay.
Percentage Calculator
Solve the common percentage questions — of, change, and what-percent.
Age Calculator
Work out an exact age in years, months and days from a date of birth.
Date Difference
Count the days, weeks and months between two dates.
Time Duration
Calculate the duration between a start and end time.
Discount Calculator
Find the sale price and the amount saved from a price and a discount.
BMI Calculator
Work out your body mass index in metric or imperial units.
Income Tax Calculator
Estimate Indian income tax under the new and old regimes, side by side.
CSS tools
View all →Design CSS visually and copy the code. Tune the sliders, watch the live preview, and paste the result — every generator runs in your browser.
Glassmorphism Generator
Design a frosted-glass card and copy the CSS, backdrop-blur and all.
Neumorphism Generator
Create soft, extruded neumorphic shadows and copy the CSS.
Border Radius Generator
Round corners individually and copy the border-radius CSS.
Box Shadow Generator
Build a box-shadow with offset, blur, spread and colour, and copy the CSS.
Gradient Generator
Design a linear or radial CSS gradient and copy the background.
Clip Path Generator
Choose a shape and copy the CSS clip-path that cuts a box to it.
CSS Grid Generator
Set up columns, rows and gaps visually and copy the grid CSS.
Flexbox Generator
Experiment with flex alignment and copy the flexbox CSS.
SEO tools
View all →Generate the tags and files search engines look for — meta tags, Open Graph, robots.txt, sitemaps and structured data. Fill the form, copy the code, all in your browser.
Meta Tag Generator
Generate the title, description and meta tags a page needs, ready to paste.
Robots.txt Generator
Build a robots.txt file with allow, disallow and sitemap directives.
Sitemap Generator
Turn a list of URLs into a valid XML sitemap for search engines.
Open Graph Generator
Generate Open Graph meta tags for rich link previews on social media.
Twitter Card Generator
Generate Twitter Card meta tags for rich previews on X / Twitter.
Canonical URL Generator
Generate a canonical link tag to point search engines at the preferred URL.
Schema Markup Generator
Generate JSON-LD structured data for organisations, articles, FAQs and more.
QR Codes tools
View all →Create QR codes and barcodes for links, WiFi, contacts, payments and more — or scan one with your camera. Everything is generated on your device; nothing is uploaded.
QR Code Generator
Turn any text or link into a QR code and download it as a PNG.
WiFi QR Code
Make a QR code that connects a phone to your WiFi with one scan.
WhatsApp QR Code
Create a QR code that opens a WhatsApp chat with a prefilled message.
vCard QR Code
Put your contact details into a QR code that saves straight to a phone.
Email QR Code
Make a QR code that opens a new email with the address, subject and body filled in.
Payment QR Code
Generate a UPI payment QR code with your ID, name and an optional amount.
Scan QR Code
Scan a QR code with your camera and read what it contains — no app needed.
Barcode Generator
Generate a barcode in CODE128, EAN, UPC and other formats, ready to download.
AI Prompts tools
View all →Build better prompts for ChatGPT, Midjourney and more from a simple form. No AI runs here — these are prompt templates you copy and paste into the tool of your choice.
ChatGPT Prompt Generator
Turn a rough idea into a structured ChatGPT prompt with role, task and format.
Midjourney Prompt Builder
Build a detailed Midjourney image prompt with style, lighting and parameters.
Resume Prompt Generator
Generate a prompt that gets an AI to write or sharpen your resume bullet points.
Email Prompt Generator
Create a prompt that gets an AI to draft the email you need, in the right tone.
Coding Prompt Generator
Build a precise coding prompt with language, task, constraints and I/O details.
Unit Converter tools
View all →Convert between units of length, area, volume, weight, temperature, time and currency. Every conversion runs on your device — instant, and nothing is uploaded.
Length Converter
Convert between metres, feet, inches, miles, kilometres and more.
Area Converter
Convert between square metres, acres, hectares, square feet and more.
Volume Converter
Convert between litres, gallons, cups, millilitres and more.
Weight Converter
Convert between kilograms, pounds, ounces, grams, stones and tonnes.
Temperature Converter
Convert between Celsius, Fahrenheit and Kelvin.
Time Converter
Convert between seconds, minutes, hours, days, weeks and years.
Currency Converter
Convert between currencies using an editable, offline reference rate.
Color tools
View all →Convert colour codes, build palettes and check contrast — the everyday colour jobs for designers and developers. Everything runs on your device.
HEX to RGB Converter
Convert a HEX colour code to RGB and HSL, with a live swatch.
RGB to HSL Converter
Convert RGB values to HSL and HEX, with a live swatch.
Gradient Generator
Build a multi-stop CSS gradient with colour stops you place yourself.
CSS Color Generator
Pick a colour and copy it as CSS — colour, background, border and variables.
Color Picker
Pick a colour from the spectrum and get its HEX, RGB and HSL plus tints and shades.
Palette Generator
Generate complementary, analogous and triadic palettes from one base colour.
Contrast Checker
Check the WCAG contrast ratio between two colours and whether it passes.
Tailwind Color Generator
Generate a Tailwind-style 50–950 shade scale from any base colour.
Resume tools
View all →Build a resume and cover letter and check them against the basics recruiters and ATS software look for. Everything runs on your device — your career details are never uploaded.
Resume Builder
Fill in your details and get a clean, structured resume to copy or download.
Cover Letter Template
Generate a tailored cover letter draft from a few details about the role.
Resume Checker
Check your resume against common rules — length, action verbs, numbers and clichés.
ATS Keyword Checker
Compare your resume to a job description and see which keywords are missing.
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 155 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.