DirtSimple.app

Simple, free tools that run in your browser. Most of them do the work on your own device, so your files never leave it. Nothing to install. Just a first name and email once per browser, so I can tell you when I build something new. Hover any card for the longer story.

AnyDoc to Markdown
Turn a PDF, Word file, or slide deck into clean Markdown, entirely inside your browser.
FileText
AI chat tools and note apps want plain text, not a 40 page PDF. Drop in a PDF (even a scanned one), Word, PowerPoint or Excel file and get clean Markdown back. Nothing gets uploaded, and it keeps working offline.
Audio Converter
Convert audio between MP3, WAV, FLAC, and more without uploading anything.
MediaAudioFile
"This file won't open" solved. Convert any audio to MP3, WAV, FLAC, M4A or OGG, pull the sound out of a video, or drop in a whole folder and convert everything inside. The engine runs in your browser, so there's no upload and no file-size fees.
Bulk Rename
Rename a whole folder of files at once, with a preview before anything changes.
FileProductivity
Renaming 200 files by hand is an afternoon. Here it's one rule: find and replace, add a prefix, number them in order, fix the case. You see the exact new names BEFORE anything changes, and the browser only ever touches the one folder you pick.
CardSnap
Photograph a business card and get the contact details as text.
BusinessScanAI
Came home from the event with a pile of business cards? Photograph each one and get the name, company, phone, email and website as text you can save straight to your contacts. The image is read and not kept.
ClipGrabber
Trim a video down to just the part you want, then save that piece on its own.
MediaVideo
You want 20 seconds out of a 40 minute video. Drag two handles, export just that piece. Fast mode lifts it out with zero quality loss; exact mode cuts to the frame. The original is never touched and nothing leaves your computer.
ClipShare
Move text and files between your phone and computer. Encrypted on your device, so the server never sees what you send.
FileProductivity
Ever emailed yourself a link just to get it onto your phone? Scan a QR code once and you're done. Copy on one device, paste on the other: text, photos, any file up to 25 MB. It's encrypted on your device, so the server never sees what you send.
DeskRecorder
Record your microphone, and optionally your screen, straight from the browser.
MediaVideoAudioProductivity
Showing someone beats writing it out every time. Record your mic plus a screen, window or tab, straight to a folder you choose. Countdown, pause, markers, auto-stop. Nothing to install and nothing uploaded.
FixVolumeLevel
Fix a recording that is too quiet, too loud, or swings between the two.
MediaAudioVideo
The speaker kept leaning away from the mic and you spent the whole video riding the volume knob. Drag a slider to set the level and hear it change as it plays, or tick one box to lift just the quiet stretches so the whole thing sits at one comfortable volume. Works on video and audio, and the picture is never re-encoded, so a video comes out exactly as sharp as it went in.
FlipVideo
Rotate or mirror a video, so a sideways phone clip plays the right way up.
MediaVideo
Phone video came out sideways? Rotate or mirror it. Fast mode just rewrites the rotation flag, so it's instant with zero quality loss. Re-encode if an old player still ignores the flag. You see a before and after for every file.
Icon Creator
Describe an icon, get one drawn for you, and download it ready for Windows. Needs your own OpenRouter key.
ImageAI
Need a Windows icon and can't draw? Describe it in a sentence, an AI draws it, and you preview it at 16 pixels so you know it won't turn to mush. Nudge it Simpler or Bolder, then save a real multi-size .ico. Bring your own OpenRouter key; it costs pennies per icon.
ImageCreator
Make and refine AI images by talking to them: "make the sky darker", "remove the fence". Bring your own OpenRouter key.
AIImage
Describe a picture and get one. Then change it by talking: "make the sky darker", "remove the fence". Only that part changes, and undo is instant and free. Start from your own photo if you like. You bring an OpenRouter key and pay them at cost, no markup.
ImageSizer
Shrink a whole folder of photos to a max size or a max file size, right in your browser.
ImageFile
Phone photos are enormous and websites choke on them. Set a max size or a max file size and shrink a whole folder at once. The dry run shows the exact result before writing anything, and originals are kept in their own subfolder.
MailMergeDocs
Turn one Word template and a spreadsheet into a folder of personalized PDFs.
FileProductivityBusiness
You have a Word letter, certificate or invoice and a spreadsheet of names, and filling them in by hand is an afternoon. Type {{FirstName}} style placeholders in your own template, pick it and your CSV here, and a small launcher does the merge on your own PC using the Word you already have. Headers and footers work too, and you can name each file from any column. Your template and your data are never uploaded.
MonitorLayout
Save where your windows are, and put them back after every dock and undock.
Productivity
You dock the laptop and every window jumps to the wrong screen. You undock and they all pile onto one. This takes a snapshot of where your windows are while they are right, and puts them back whenever you want. Save as many layouts as you like, one for docked and one for the laptop on its own. It only moves windows: it never changes your resolution or display setup, and never asks for administrator rights. It remembers which monitor each window was on, so a layout still lands correctly when screens change size or scaling. Your layouts stay on your own PC.
Noticeable Text
Make text bold, script, circled or upside down anywhere, even where there is no font picker. Barcode and QR code too.
TextProductivityQR Code
Facebook, LinkedIn and email subject lines don't let you pick a font. This swaps your letters for Unicode look-alikes, so the styling travels with the text. Highlight one word to style just that word. Barcode and QR Code turn the text into a real scannable picture on your clipboard.
Personal Info Scrubber
Strip names, card numbers and emails out of text before you paste it somewhere else.
TextProductivityBusiness
You want to paste an error log into ChatGPT, or a support ticket into a bug tracker, and it is full of real people's details. This cleans your clipboard first: copy, double-click, paste, and the cleaned text is what lands. It finds Social Security numbers, credit cards, emails, phone numbers and IP addresses and swaps each one for a plain label, and you can add your own pattern for account numbers or internal server names. A live preview shows what would go before anything changes. Your text never leaves your computer, and it reports counts only, never the values.
PinMySpot
Drop a pin where you parked, then find your way back to it.
Google MapsProductivity
Where did I park? One tap saves the spot. Add a note like "level 3, row F" and later it points you back with direction and distance. Works with no signal, no account, and nobody is tracking you.
PomoFocus
A focus timer that breaks work into short stretches, with tasks and reports. Works offline.
Productivity
Big tasks are hard to start. A 25 minute block isn't. Work one short stretch, take a real break, repeat. Keeps a task list and shows you patterns over weeks. Works offline, no account, your history stays on your device.
QR Actions
Make QR codes that do things: join Wi-Fi, draft a text, save a contact, add a calendar event. Reads them back too.
BusinessQR CodeProductivity
A QR code that only holds a link is a wasted QR code. Make ones that join your Wi-Fi, start a text, save a contact, add a calendar event, open a payment page or a meeting link. Point your camera at any code and it reads it back. All on your device.
QRtoCash
Make a QR code that sends someone straight to paying you.
BusinessQR CodeProductivity
Someone wants to pay you and mistypes your handle. Money goes to a stranger. Fix that with a QR code that opens your PayPal, Cash App or Venmo page, optionally with the amount filled in. Print it for a stall, a tip jar or an invoice.
Quick Raw Edit
Trim and edit audio and video files quickly, without opening a full editor.
MediaVideoAudio
Set a start and end point, then cut that piece out, or remove it and join the outside pieces back together. Keyboard driven, so it's quick once you learn s, e and space. Runs entirely in your browser.
ReceiptSnap
Photograph a receipt and get the amounts pulled out for you.
BusinessScanAI
The shoebox of receipts and the miserable evening that goes with it. Snap a photo and it pulls out the merchant, date, total and tax. Fix anything it misread, then export. The photo is read and then thrown away, never kept.
Remove Metadata
Strip hidden tags, GPS, chapters, and device info from video and audio files without re-encoding them.
MediaVideoAudioFile
Your videos carry a hidden note: which phone, where you were, sometimes GPS. This tears the note off and hands back the same file, bit for bit. No re-encoding, no quality loss, about as fast as copying the file.
ReviewFunnel
Put a QR code on the counter so happy customers land straight on your Google review page, photos and all.
BusinessGoogle MapsQR Code
Asking for a Google review is a chore. Asking someone to snap a photo of the meal they're enjoying isn't. Put a QR code on the counter and they land on your review page with the photo ready to attach. Photos stay on their phone, and everyone gets the same link, which keeps Google happy.
Segmenter
Split an audio or video file into segments, and transcribe them if you bring your own OpenRouter key.
MediaVideoAudioAI
A two hour recording is useless as one lump. Split it by length or at the quiet gaps between speech, then download the pieces. Splitting stays on your device. Add your own OpenRouter key and it'll transcribe the segments too.
Stock Portfolio Tracker
Track what your stocks are worth with live prices. No account, data stays on your device.
Productivity
A spreadsheet that fills in the prices for you. Type a ticker and how many shares, get live values, the total, today's move, and gain or loss if you enter what you paid. No account, your holdings never leave your device.
Video Reducer
Make a video file smaller so it will actually send, trading a little quality for a much smaller file.
MediaVideoFile
Email bounced the video again? Pick how small you need it and this squeezes the file down on your own device. Think vacuum-packed bag: same content, less space. On a phone screen you'll barely notice the difference.
VideoCreator
Type a sentence, get a short AI video clip with sound. Queue several and walk away. Bring your own OpenRouter key.
AIMediaVideo
Describe a scene and a few seconds of video come back, sound included. Pick the model, the length and the size, see what the last clip cost before you spend, and queue as many as you like while you do something else. Start from a photo to animate it. Clips are saved to your phone or PC. You bring an OpenRouter key and pay them at cost, no markup.
VideoMerger
Join several video clips into one MP4 in your browser.
MediaVideoFile
Several clips, one video. Drop them in, drag to reorder, trim if you like. Matching clips glue together in seconds with no quality loss; mismatched ones get re-rendered onto one canvas. A join-points strip shows you every seam before you render.
VideoToGif
Turn part of a video into a looping animated GIF in your browser.
MediaVideoImage
You want to show someone the three seconds where the bug happens, not send a 40 MB video and say "skip to 1:12". Drop a video on this, drag two handles over the bit that matters, and get a looping GIF that plays anywhere. Tell it where the GIF is going (Discord, Slack, email, a README) and it sizes it to fit. Your video never leaves your device.
VoiceToDo
Say what you need to do and get a tidy to-do list back.
ProductivityAI
Typing a to-do list takes a minute, which is why it never happens. Talk for ten seconds instead. It even splits "call the dentist and pick up milk" into two tasks. Your list stays on your device.
Watermarker
Stamp text or a logo onto your photos, one at a time or in a batch.
ImageMedia
Your photos will get shared. Make sure your name goes with them. Add text or a logo, set where it sits and how see-through it is, then stamp a whole batch at once. Originals stay untouched and nothing is uploaded.