free tools Tools
7 best free tools tools and apps, curated and ranked by community upvotes on ProductCool. Updated daily as new free tools products launch.
Generate chord progressions instantly with our free online tool. Choose key, style, and mood — get playable progressions with audio preview. No sign-up required.
A free two-minute, no-disassembly check for pressure washers with low, pulsing, or no working pressure. No account; answers stay in your browser.
Turn a photo you own into an editable, printable crochet colour grid. Chart locally, with an optional reviewable AI settings draft.
Calculate embroidery cost and suggested retail price by stitch count, quantity, labor and materials. Free estimate that runs in your browser.
Bending marks for offsets, 90s, stub-ups, kicks, and saddles. Shrink, gain, and take-up for 1/2-inch, 3/4-inch, and 1-inch EMT conduit. Field-ready, works offline.
Convert MP3, WAV, M4A and video files to text in the browser. Speaker labels and timestamps included, 4 free hours a day, no sign-up. Export TXT, SRT or VTT.
Turn iPhone HEIC photos into PDFs without uploading them anywhere. Batch convert and merge into one multi-page PDF. Free, no install, no sign-up.