Tools — Free tools that run in your browser

62 free tools for PDFs, documents, images, video, audio, music and developer data — all running on your device. No account, nothing uploaded.

To PDF

• Word to PDF — Turn a Word document (.docx) into a PDF and download it.
• Images to PDF — Combine photos and images into one PDF — reorder, rotate and pick a paper size.
• PowerPoint to PDF — Turn a PowerPoint deck (.pptx) into a PDF, one page per slide.
• Excel to PDF — Turn an Excel spreadsheet (.xlsx) or CSV into a tidy PDF table, colors and number formats included.

From PDF

• PDF to Word — Get the text of a PDF into an editable Word document (.docx).
• PDF to Excel — Pull tables out of a PDF into an Excel spreadsheet (.xlsx) — numbers ready to calculate.
• PDF to PowerPoint — Turn each PDF page into a PowerPoint slide (.pptx) — the text stays editable.
• PDF to Images — Save PDF pages as PNG or JPG images, up to 300 dpi.
• PDF to Markdown — Turn a PDF into Markdown: headings, bold/italic, lists and tables.

Edit & Secure PDF

• Merge PDF — Combine several PDFs into one file — drag to set the order.
• Split PDF — Take certain pages, split by range, or break every N pages into separate PDFs.
• Watermark PDF — Put a translucent text or logo on every page — centred or tiled.
• Organize PDF Pages — Reorder by dragging, delete, rotate and duplicate pages — with thumbnails.
• PDF Page Numbers — Add page numbers: pick the position, the format (1, 1 / 10, Page 1) and the first page.
• Sign PDF — Draw or upload your signature, then place it on any page.
• Compress PDF — Shrink a PDF by downsizing the photos inside — text stays sharp.
• Protect PDF — Lock a PDF with a password (AES-256) and restrict printing, copying or editing.
• Unlock PDF — Remove the password or restrictions from your own PDF.

Images & Media

• Compress Video — Shrink a video with your device's own encoder — fast, and nothing is uploaded.
• Crop & Resize Image — Crop freely or to 1:1, 16:9, 4:5; rotate, flip and resize in pixels.
• Convert Image Format — Turn HEIC (iPhone photos), WebP, AVIF, PNG or JPG into JPG, PNG or WebP — many files at once.
• ID Photo — Crop to 2×3, 3×4 or 4×6, swap the background to red/blue/white, then lay it out on 4R or A4 paper ready to print.
• Remove Photo Metadata — See a photo’s EXIF (camera, date, GPS location), then save it again without any metadata.
• Remove Background — Remove a background with a magic wand, color select, lasso or brush — then make it transparent or recolor it.
• Compress Images — Shrink many photos at once — JPG or WebP, with GPS metadata stripped.
• Trim Video & Audio — Cut out part of a video or song by dragging the start/end markers — same format and quality.
• GIF ⇄ MP4 — Turn a GIF into a much smaller MP4 video, or a video clip into a GIF.
• Extract Video Frames — Grab video frames as full-resolution images — one by one or every N seconds.
• Change Speed — Speed up or slow down video and audio (0.25×–4×) while keeping the pitch natural.
• Merge Audio — Join several audio files into one — mixed formats welcome; set the order and gaps.
• Screen Recorder — Record your screen, a window or a tab — with microphone and tab sound, plus a floating camera. Download WebM or MP4.
• Voice Recorder — Record from your microphone — pause, resume, play back, then download as MP3, M4A or WAV.
• Compress Audio — Shrink audio to MP3, AAC or Opus — or pull the sound out of a video.

Music

• Guitar Tuner — Tune a guitar, bass, ukulele, violin, viola or cello with your microphone — the string is detected automatically, plus a reference drone that keeps sounding.
• Metronome — A precise click from 30–300 BPM with accents, time signatures, subdivisions and tap tempo.
• Chord Finder & Transpose — Guitar and ukulele chord diagrams in every key, playable — plus one-click transposing of a song’s chords.
• Chord Progression Builder — Build a chord progression from a key and a popular pattern (I–V–vi–IV, ii–V–I, blues), hear it on guitar or piano, and transpose it.
• Practice Recorder — Record your playing with a metronome ticking (the click is not recorded), play it back with the click on top, and save as MP3 or WAV.
• BPM & Key Finder — Find a song’s tempo (BPM) and key from an audio file — with its Camelot code and the chords that fit.
• Online Piano — Play the piano in your browser — mouse, multi-touch, computer keyboard or a MIDI keyboard, with sustain and chord names.
• Online Guitar — Strum chords with a swipe, pick freely on the fretboard, capo, acoustic/electric/distortion sounds and auto accompaniment.
• Online Drums — Hit 9 drum pads with your fingers, keyboard or an e-drum kit — plus a 16-step sequencer with rock, pop, funk, bossa, dangdut and more.

Developer & Design

• QR Code Generator — Make QR codes for links, text, Wi-Fi, WhatsApp, contacts or email — with a logo and colors.
• QR & Barcode Reader — Scan QR codes or barcodes from an image, screenshot or camera — Wi-Fi, contacts and links shown neatly.
• JSON Beautifier — Format JSON with indentation, sort keys, and find syntax errors with their position.
• JSON Minify — Squeeze JSON onto one line with no spaces — numbers and text untouched.
• Encode / Decode — Base64, URL encode, HTML entities, and read the contents of a JWT (header + payload) right in your browser.
• UUID Generator — Generate UUID v4 (random) or v7 (time-ordered), in bulk, uppercase, without hyphens, or with braces.
• Text Compare — Compare two texts line by line and word by word with colours, unified or side by side.
• Favicon Generator — Make favicon.ico, iOS & Android icons and a web manifest from a logo, letter or emoji.
• Image ⇄ Base64 — Turn an image into Base64 / a data URL ready for HTML, CSS or Markdown — and back.
• Color Picker — Pick colors from an image or the screen, convert to HEX/RGB/HSL/OKLCH, check contrast and build shades.

Productivity

• Notes — Write notes with Markdown and checklists — saved automatically in your browser, with file backup.
• Password Generator — Generate random passwords or Indonesian/English passphrases, and check how strong a password is with an estimated time to guess.
• Word Counter — Count words, characters, sentences and paragraphs, estimate reading and speaking time, and check X, Instagram and meta description limits.
• Unit Converter — Convert length, weight (ons, quintal), area (hectare, are, tumbak), volume, temperature, speed and data sizes.
• Date Calculator — Work out exact age, days between dates, working days (with Indonesian public holidays), and add or subtract days, months and years.
• Prayer Times — Daily and monthly prayer times for your city or location, computed on your device with the Kemenag method, no internet needed, printable.
• Qibla Direction — Work out the Qibla bearing from your location and aim your phone with a live compass, with a calibration warning.
• Hijri ⇄ Gregorian Converter — Convert Gregorian dates to Hijri and back, plus a year of Islamic holidays, with a note on Kemenag’s moon-sighting differences.
• Calculator — Basic and scientific calculator — percentages, powers, roots, trigonometry, with history.
• Whiteboard — A whiteboard or blackboard to write and draw on freely — pen, highlighter, shapes, text, many pages.