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Free online tools, all in one dabba.
Compress photos for exam forms, work with PDFs and do everyday calculations — fast, free and right in your browser.
Filling an exam form? Compress your photo to:
All tools
Exam Form Tools
Photo, signature & documents in the exact size forms ask for
Exam Photo & Signature Sizes
IBPS, SBI, SSC, RRB, UPSC, NEET… official sizes, tools pre-set
Compress Image to KB
Shrink a photo to 20KB, 50KB, 100KB or any size you need
Signature Resize
140×60 px, 10–20 KB — auto-cropped on white
Photo + Signature Joiner
Combine photo and signature into one image
Passport Size Photo
3.5 × 4.5 cm with face guide & print sheet
Aadhaar & ID Card Print
Aadhaar, PAN, voter ID — front & back on one A4, real size
Age Calculator
Exact age on any date — check exam eligibility
Thumb Impression Resize
Left thumb 240×240 px, 20–50 KB on clean white
Declaration Resize
Handwritten declaration 800×400 px, 50–100 KB
Name & Date on Photo
Print your name and photo date under your photo
Image Tools
Compress, resize and convert photos
Resize Image
Change width & height in px, cm or mm
Image Converter
JPG, PNG, WebP — and iPhone HEIC to JPG
Remove Background
Make a photo's background white or transparent
White Background Photo
Plain white background for passport & exam photos
Signature Maker
Draw or type your signature — transparent PNG or JPG
PDF Tools
Create, merge and shrink PDFs
JPG to PDF
Turn photos into a single PDF
Compress PDF
Reduce PDF to 100KB, 200KB or 500KB
Merge PDF
Join multiple PDFs into one
PDF to Word
Turn a PDF into an editable Word (.docx) file
Word to PDF
Convert .docx or .doc to PDF, layout kept
Excel to PDF
Spreadsheet to PDF — A4 or each sheet on one page
PowerPoint to PDF
Slides to PDF, one slide per page
Scan to PDF
Phone camera document scanner — auto crop, B&W, PDF
PDF to JPG
Turn PDF pages into JPG or PNG images
Sign PDF
Draw, type or upload your signature and place it
Edit PDF
Add text, tick marks, images or white-out
Unlock PDF
Remove a password you know, or print & copy limits
Split PDF
Extract pages or split into separate files
Organize PDF
Reorder, rotate, delete, copy and add pages
Protect PDF
Add a password with AES-256 encryption
Rotate PDF
Turn sideways pages the right way up
Delete PDF Pages
Remove pages you don't need
Crop PDF
Trim margins or cut a page down to the part you need
Add Watermark to PDF
Text or logo — mark ID copies “for KYC only”
Add Page Numbers to PDF
1, Page 1 of N or पृष्ठ 1 — top or bottom, skip the cover
Calculators
Age, percentage, EMI, SIP, GST and more
Percentage Calculator
Marks %, increase, decrease — instantly
CGPA to Percentage
Convert CGPA using CBSE / university formula
EMI Calculator
Home, car & personal loan EMI with schedule
SIP Calculator
See how your monthly SIP grows
GST Calculator
Add or remove GST at 5%, 18%, 40% or any rate
Income Tax Calculator
New vs old regime for FY 2026-27, side by side
8th Pay Commission Calculator
Estimate new basic, HRA and gross pay for any fitment factor
DA & HRA Calculator
Central govt DA, HRA, TA and DA arrears (7th CPC)
FD Calculator
Fixed deposit maturity with quarterly compounding
RD Calculator
Recurring deposit maturity value
PPF Calculator
15-year PPF growth, year by year
Compound Interest
Interest compounded yearly, quarterly or monthly
Date Calculator
Days between dates, or add / subtract days
Text & Hindi Tools
Typing, counting and font conversion
Word Counter
Count words, characters and reading time
Typing Test
English & Hindi (Remington, Inscript) — WPM, accuracy, SSC KDPH
Hindi Typing
Type in English letters, get Hindi — with suggestions
Case Converter
UPPER, lower, Title and Sentence case in one tap
Number to Words
Lakh, crore, cheque amount and Hindi — 1,25,000 in words
Unicode to Krutidev
Convert Hindi Unicode text to Krutidev font
QR Code Generator
QR for links, UPI, Wi-Fi and text
Why people use ToolDabba
Private by design
Almost every tool works on your device, so your files never leave it. Only the Office ↔ PDF converters use our server — and delete files right after.
Fast & free
No signup, no watermark, no daily limits. Results in a second or two.
Built for phones
Big buttons, camera & gallery upload, one-tap download. Works on any device.