Tembrica Online Tools — Page 12

Scan QR, EAN, DataMatrix, PDF417 and 13 more formats. Decodes GS1 codes, VIN, boarding passes, vCards, ISBN books. Free, in browser.

Free barcode generator: EAN-13, UPC, Code 128, GS1-128, ITF-14, DataMatrix, PDF417. Crisp SVG & PNG, batch, validation. No signup.

Scan a QR code from a screenshot, photo or camera. Reads Wi-Fi, links and contacts, handles several codes at once, and flags risky links.

Move a file between your own devices with no network, cable or Bluetooth: one screen streams QR frames, the other reads them with its camera.

Calculate a staircase: riser height, tread depth, total run, stair angle and stringer length, with building-code checks. Free.

Identify any screw or bolt: diameter, thread pitch and length. Printable 1:1 screw gauge plus a calibrated on-screen ruler. Free.

Work out how many rolls of wallpaper a room needs. Enter the room and roll size and the pattern repeat for an accurate count. Free.

Calculate concrete volume for a slab, footing or column in cubic metres and yards, plus the number of pre-mix bags. Free.

Identify an Allen / hex key size — metric and SAE inch. Printable 1:1 hex gauge plus a calibrated on-screen ruler. Free.

Calculate board feet and cost for lumber. Enter the board thickness, width, length and quantity to get total board feet. Free.

Identify an O-ring: inner diameter and cross-section, with the metric or AS568 family. Printable 1:1 sizer plus screen ruler. Free.

Work out how many tiles you need for a floor or wall. Enter the room and tile size, add a waste margin, get tiles and boxes. Free.

Calculate fence materials: posts, sections, rails and pickets from the fence length and post spacing. Free fence estimator.

Identify a nail: get its penny size, length and shank thickness. Printable 1:1 nail gauge plus a calibrated screen ruler. Free.

Work out how much paint a room needs. Enter the room size, coats and coverage, subtract doors and windows. Free paint estimator.

Identify an unmarked drill bit: get its metric and fractional-inch size. Printable 1:1 drill gauge plus on-screen ruler. Free.

Thread pitch from ten threads on a calibrated screen, or a 1:1 printable sheet: 60° and 55° combs, R1–R25 radius arcs and a paper feeler table.

Real-time positions of the Sun, Moon, planets and constellations. Milky Way band, meteors, satellites — auto-updates every 5 minutes. Free.

Build silly faces in your browser. Mix doodle eyes, noses, mouths, hats and roll the dice for random combinations. Print, save, share. Free.

A free falling-sand game in your browser. Drop sand, pour water, light fires and watch 14 elements react in a live physics sandbox.

Online tarot with the Rider-Waite-Smith deck: 6 spreads, upright and reversed meanings, voice reading and a journal. Free.

Pop endless virtual bubble wrap online for a quick, satisfying stress break. Realistic pop sound, calm mode, themes, and a pop counter. Free.

A playful lie detector game: a prank truth/lie scanner, a voice nervousness meter and party questions. Not a real test — just for fun. Free.

Send a named star to the shared sky. For hope, gratitude or in memory of someone. Your wish stays — forever, in its own coordinates.

Spin a custom wheel to pick a random name or winner. Weighted entries, dice, yes/no, number and team modes. Runs in your browser.

Birth chart from date, time and place: ascendant, houses, aspects. Historical time zones and an honest error bar on your birth time.

Free recipe scaler. Paste ingredients, change servings — quantities adjust automatically with smart fractions. Free.

Free cleaning schedule generator. Select rooms, assign tasks, set frequency. Print checklist or track progress. Free.

Free kitchen unit converter with ingredient density. Convert cups to grams, tablespoons to ml, °C to °F. 50+ ingredients. Free.

Identify a knitting needle or crochet hook size — mm with US and UK equivalents. Printable 1:1 gauge and screen ruler. Free.

Convert oven temperature between °C, °F, gas mark and fan-oven settings. Get all four from one value, with an oven-heat description. Free.

Swap a recipe between round, square and rectangular baking pans. Get the recipe scaling factor from the pan areas. Free.

Print a true-to-size dry spaghetti portion measure. Hold a bundle to the circle for 1, 2, 3 or 4 servings. Free printable.

Securely erase files from USB drives in your browser. Multi-pass overwrite with random data — DoD, Gutmann standards. No software to install. Free.

Convert BIN/CUE to ISO online. Auto-detects MODE1/2 sector layouts, extracts CD-DA audio as WAV, parses multi-track cuesheets. In the browser.

Diagnose a USB flash drive by symptom: 0 bytes, asks to format, write protected. Get a step-by-step plan and commands for Windows, Linux and macOS.

Extract ISO files online with UDF and Joliet support. Stream 16GB+ images, preview files in-tree, verify SHA-256 in your browser.

Inspect ISO, VHD, VHDX, VMDK, QCOW2, DMG, E01 disk images. Parse MBR/GPT, detect filesystems, hex view, stream SHA-256.

Build ISO files from a folder in your browser. Joliet long names, hybrid USB MBR, streamed 8GB+ output via File System Access.

Universal file converter: audio, video, images, PDF, archives, subtitles, data. Detects the format by content, converts batches in your browser.

Corrupted file check: identifies the real format by content, finds where the structure breaks and shows how much data survived. In your browser.

Copies everything that still reads off a dying flash drive or memory card, skipping the bad sectors instead of failing on them. In your browser.

Pulls the full-size JPEG a camera embeds in a CR2, NEF, ARW, DNG or RW2 — including from files a RAW converter refuses to open at all.

Reads deleted files out of a card or stick image, and carves out what is left when the file system is gone. Every result is checked first.

Reads the rows out of a SQLite file that says "database disk image is malformed" — past the broken b-trees, straight off the pages. In your browser.

Identifies the ransomware family from the ransom note or the encrypted file's extension, and says whether a free decryptor exists.

Opens Windows registry hive files without Windows, shows keys and values, and recovers deleted keys from the hive's free space.

Opens Adobe Illustrator files without Illustrator, including ones saved without PDF compatibility, and exports them to SVG and PNG.

Opens AutoCAD DWG drawings of every readable generation in your browser, shows them and saves them as DXF or SVG. No CAD to install.

Opens Outlook Express folders without Outlook Express: lists the messages, shows each one, and saves them as EML or a whole folder as mbox.